Yorkshire Building Society Login, Savings, Mortgages & Contact

Independent UK member guide · Official service routes reviewed 29 July 2026

Manage Yorkshire Building Society Accounts Without Taking the Wrong Route

Yorkshire Building Society customers may need to recover an online customer number, register the YBS app, move savings, transfer a Cash ISA, switch a mortgage deal, report a lost device or arrange bereavement and attorney access.

This independent guide brings those tasks into one practical page. It explains the official route, what to prepare, which limits or restrictions matter and when a branch or telephone call is safer than another online attempt.

Online login YBS app One-device security Savings Cash ISAs Mortgages 200+ locations Specialist support
OFFICIAL ROUTE IDENTIFIED
Independent website notice: Building-society.org is not Yorkshire Building Society and cannot view, unlock, withdraw, transfer, close or change a YBS account. Never enter your customer number, password, app passcode, automated-call code or full account number on this page.
Official online login

online.ybs.co.uk

Online and app support

0345 1200 805

General savings support

0345 1200 100

Lost card or account lock

0345 910 1112

Existing mortgages

0345 1200 822

Mortgage arrears

0800 138 2402

Branch network

More than 200 branches and agencies.

FCA registration

106085.

Card, phone or account security at risk?

Stop the transaction or conversation. Call 0345 910 1112 for a lost or stolen card or an online-account lockout. If a phone containing the YBS app is missing, also contact online support on 0345 1200 805.

Fast official-service finder

What do you need to do with Yorkshire Building Society?

Choose the task that most closely matches your situation. The helper runs only in your browser and does not save or transmit the selection.

Do not type financial information, security answers or personal circumstances into this selector.

DIGITAL ACCESS Login, register or recover access

Separate an outage, forgotten detail, app reset and locked account before taking action.

Open digital guidance
SAVINGS Pay in, withdraw or compare

Check the exact account issue, access terms and payment route.

Manage savings
CASH ISA Transfer or replace withdrawals

Use formal transfer instructions and check whether the account is flexible.

Open ISA guidance
MORTGAGE Apply, switch or get support

Compare total cost, deal timing, charges and affordability.

Open mortgage guidance
SECURITY Lost card, device or suspicious contact

Stop the activity, call through a verified number and preserve evidence.

Open security guidance
SPECIALIST SUPPORT Bereavement, attorney or complaint

Prepare the correct documents and use the relevant specialist team.

Open specialist support

Jump directly to your Yorkshire Building Society task

The guide is organised around member actions and problems rather than repeating YBS’s navigation menu.

Society overview

What Yorkshire Building Society offers

Yorkshire Building Society is a UK mutual building society offering savings accounts, Cash ISAs, children’s savings, residential mortgages and related member services. It is owned by its members rather than external shareholders.

Customers can use online services, the YBS mobile app, telephone support and more than 200 branches and agencies. The best route depends on whether the account was opened online, in a branch, by telephone or by post.

Founded

Yorkshire Building Society was founded in 1864.

Main products

Savings, Cash ISAs, children’s accounts and residential mortgages.

Regulatory number

Financial Services Register number 106085.

Head office

Yorkshire House, Yorkshire Drive, Bradford, BD5 8LJ.

Do not confuse Yorkshire Building Society with Yorkshire Bank. Yorkshire Bank became part of Virgin Money. A YBS savings or mortgage account uses Yorkshire Building Society’s own login, app and contact channels.
Member-owned organisation

What Yorkshire Building Society membership means

Membership benefits remain subject to YBS rules and product eligibility
Feature Possible value Important limitation
Member ownership Members collectively own the Society rather than external shareholders. An individual member does not control product prices or lending decisions.
Loyalty products YBS can offer savings accounts restricted to qualifying existing members. Loyalty eligibility and qualifying-account periods apply.
Voting Eligible members may vote at the Annual General Meeting. Qualifying dates, age and Society rules apply.
Face-to-face access More than 200 branches and agencies provide local service options. Agency services can be more limited than a full YBS branch.
Community purpose YBS supports financial education, charities and local communities. Community activity should not replace product-price comparisons.
Before closing your only YBS account: Check whether closing it will affect your membership period or eligibility for a loyalty product.
App vs online vs telephone vs branch

Choose the correct YBS service channel

Availability can depend on the specific account and how it is operated
Member task YBS app Online account Telephone Branch or agency
View eligible savings balances Available Available Available Available
View mortgage balance Available Available Available Check service
Download monthly statements Supported accounts Supported accounts Request support Request support
Open another savings account Most available accounts Supported accounts Product dependent Branch products
Make an eligible online transfer Supported Supported Account terms apply Account terms apply
Manage mortgage details Balance viewing Main digital route Available Appointment may be needed
Register power of attorney No Download information Specialist help Registration route
Report a bereavement No Online form Specialist team Available
Unlock online access Different app reset Recovery options Call when locked Identification support
Useful distinction: The YBS app can display a mortgage balance, but YBS currently directs customers to the website when they need to manage their mortgage.
Yorkshire Building Society login

Log in to your YBS online account safely

Official login: online.ybs.co.uk
Open the official login directly Type the address or follow the Login link from YBS’s official website.
Check the domain before entering anything Confirm that the browser address belongs to ybs.co.uk.
Enter your customer number or username Your customer number contains 10 digits and is different from an individual account number.
Complete the second security step YBS can request selected password characters rather than the full password.
Complete additional verification when requested Certain changes or payments can require an automated telephone call to a number held on the account.
Check the payment or account action Review the account, destination, amount and date before confirmation.
Log out when finished Close the browser on a shared or public device.
YBS should not ask for your complete password during a normal login telephone conversation. It should also not ask you to move money to a “safe account”.

Try these checks before resetting everything

Open the login through YBS rather than an old bookmark
Try a different browser or private browsing window
Clear browser cookies and cache
Try a different trusted device
Check whether the app still works
Stop after repeated failed attempts
New-account restriction: YBS currently states that withdrawals cannot be made during the first seven days after a new account is opened. An online restriction during that period may therefore be expected rather than a login fault.
Non-interactive coded visual

Recognise the public YBS online login journey

Registration and account recovery

Register for YBS online services or recover login details

Opened the account online

YBS says customers who opened online are normally registered for online services automatically.

Opened through another channel

Use the official registration process once the account is available for digital registration.

Mortgage customer

You can register when the mortgage has started.

What registration normally requires

Any 10-digit YBS account number
First and last name matching YBS records
Access to the registered telephone number
Access to the registered email address where applicable
Age 16 or over
Current personal details
Customer number and account number are not interchangeable. Your account number identifies a product. Your customer number identifies the online customer profile.

Choose the correct recovery route

Do not use the same reset process for every digital problem
Problem Correct starting point When to call
Forgotten password Use the official online password-reset tool. Call if identity verification cannot be completed.
Forgotten customer number or username Use YBS’s official customer-detail reminder service. Call if the registered email or phone is inaccessible.
Online account locked Stop repeated attempts. Call 0345 910 1112.
Registered phone number is wrong Do not repeatedly request automated calls. Call 0345 1200 805 or visit a branch.
New account not available online Confirm that account opening and identity checks are complete. Call if it remains unavailable after the normal setup period.
YBS mobile app guide

Set up and use the YBS app safely

What the YBS app can currently help with

View eligible savings balances
View and download monthly statements
Check savings interest rates
Review savings transactions
Open most available savings accounts
View a mortgage balance
Make supported money transfers
Log in using face, fingerprint or passcode

Set up the app in practical steps

Register for online access The app uses the digital customer profile created through YBS online services.
Download from an official app store Follow the Apple or Google link from the YBS website.
Enter your customer number and date of birth These are used to identify your digital profile.
Enter the unique text-message code The code is sent to the telephone number YBS holds on the account.
Choose face, fingerprint or passcode access Use biometrics only on a private device that another person cannot unlock.
Remember the one-device restriction Registering another device or reinstalling the app requires a new setup.
Common YBS app problems and the safest next action
Problem What it means Next action
Passcode entered incorrectly three times Local app access has been locked. Set up the app again using customer number and date of birth.
Face ID or fingerprint changed The trusted biometric setup has changed. Set up the app again.
New phone The new device is not registered. Complete app registration again on the new phone.
Phone stolen Someone may have physical access to the trusted device. Call 0345 1200 805 to deregister app access.
Text code does not arrive The registered number or mobile signal may be the problem. Verify the telephone number held by YBS.
Mortgage balance visible but no management option The app provides balance viewing rather than full mortgage management. Log in through the YBS website.
Device requirements: YBS currently lists Apple iOS 16 or later and Android 10 or later as the minimum supported operating systems.
Multi-factor authentication

Understand YBS automated security calls

YBS can use an automated telephone call to verify certain online changes. This makes the telephone numbers stored on the account an important part of online security.

Before requesting the call

Check that you can answer the telephone number registered with YBS.

During the call

Follow only the verification process connected to the action you personally initiated.

Unexpected call

Do not approve anything. End the call and contact YBS through a verified number.

Keep telephone numbers current
Provide more than one number where appropriate
Do not share a verification code with a caller
Do not approve a change you did not request
Use 0345 1200 805 when stored numbers are inaccessible
Visit a branch for identity-supported updates
A caller knowing your name or account provider does not prove that the call is genuine. End an unexpected call and contact YBS independently.
Savings decision centre

Choose Yorkshire Building Society savings by purpose and access

YBS offers easy-access accounts, limited-access products, fixed-rate bonds, Cash ISAs, regular savers, loyalty accounts and children’s savings. Each structure solves a different problem.

Move from savings goal to the correct account action

?
1. Define the purpose

Emergency fund, regular deposits, fixed lump sum, tax-free saving or child savings.

%
2. Check the exact rate

Confirm AER, variable or fixed status, balance tiers and product issue.

3. Test the access

Count withdrawal days, notice requirements and permitted service channels.

4. Plan the exit

Understand maturity, closure, ISA transfer and withdrawal consequences.

Match the account structure to when the money will be needed
Your purpose Account type to examine Most important question Main risk
Emergency fund Easy access Can money be withdrawn whenever needed? The variable rate can fall.
Higher rate with occasional access Limited access How many withdrawal days are permitted? Additional withdrawals may reduce the rate or close the account.
Lump sum not needed for a fixed period Fixed-rate bond Can the money remain untouched until maturity? Early access may be unavailable.
Monthly savings habit Regular saver What are the monthly deposit and withdrawal rules? Account conditions can reduce flexibility.
Tax-free cash savings Cash ISA Is the ISA flexible and transferable? An ordinary withdrawal can affect ISA treatment.
Saving for a child Children’s saver Who legally owns and controls the money? Money given to the child may no longer belong to the adult.

Check an existing YBS savings account

Find the exact account and issue name Use the app, online account, statement, certificate or passbook.
Check the current interest rate Do not assume that a newly advertised account rate applies to an older issue.
Check the available balance Pending or uncleared payments can make it different from the account balance.
Count withdrawals already made This matters for limited-access and anniversary-based products.
Record the maturity or bonus-end date Compare the default maturity account with suitable alternatives.
Check membership and FSCS effects Consider loyalty eligibility and total balances across YBS Group brands.
Paying in, Faster Payments and CHAPS

Move money into or out of a YBS account carefully

Building society reference: Your YBS savings account number contains 10 digits and may need to be entered as the roll number or payment reference when another bank sends money to the account.

Before paying money in

Confirm that the product still accepts deposits
Use the exact 10-digit savings account reference
Verify current sort-code and account details through YBS
Check funding deadlines on fixed products
Check annual ISA allowance before paying into an ISA
Keep the sending-bank confirmation

Current published Faster Payment limits

Account terms still determine whether each instruction method is available
Instruction route Destination registered over 30 days Destination registered 30 days or less Important warning
Online Up to £250,000 in one transaction Up to £250,000 in one transaction Review unusual or high-value payments with extra care.
Branch Up to £25,000 Up to £10,000 Identification and account terms can apply.
Agency Up to £25,000 Up to £10,000 Agency services can differ by location.
Telephone Up to £25,000 Up to £10,000 Telephone instructions must be allowed by the account terms.
Post Up to £25,000 Check current accepted route Postal times and signature checks apply.
A Faster Payment cannot normally be stopped after it is sent. Check the recipient name, sort code, account number, amount and reference before confirmation.

CHAPS payments

Accepted purposes

YBS currently restricts CHAPS to certain payments, including property completion, HMRC and another account in your own name.

Timing

A qualifying request made before midday on a working day can normally arrive the same day.

Published charge

YBS currently lists a £23.50 CHAPS fee. Verify it before instructing payment.

Cash ISA management

Transfer or withdraw from a YBS Cash ISA correctly

2026/27 ISA allowance: The overall ISA subscription allowance is £20,000 for the tax year, subject to UK ISA rules and individual eligibility.
Transfer into YBS

Open or identify an eligible receiving Cash ISA and complete the formal transfer request.

Transfer away from YBS

Ask the new ISA provider to request the transfer using your 10-digit YBS account number.

Combine YBS ISAs

Online customers can use Account Options, Manage ISA and Transfer a YBS ISA.

Cash ISA decisions that require additional care
Situation Risk Safer action
Moving to another provider A normal withdrawal can remove money from the ISA wrapper. Ask the receiving provider to complete a formal ISA transfer.
Transferring multiple YBS ISAs One instruction may not cover every account. Complete a separate form or online instruction for each ISA where required.
Easy-access YBS Cash ISA Replacement rules are limited to the same tax year. Confirm flexibility and replace eligible withdrawals before 5 April.
Limited-access Cash ISA A transfer or withdrawal can count toward the access allowance. Read the specific issue terms before requesting the transfer.
Fixed-rate Cash ISA Early transfer or closure can cause an interest penalty. Check the maturity date and early-access condition.
ISA maturity Money can move to the published default maturity account. Review and submit the maturity choice before the deadline.
Transfer timeframe: Cash ISA providers normally have up to 15 working days to complete a Cash ISA transfer, although restrictions or missing information can delay it.
Fixed savings maturity

Act before a YBS fixed-rate account matures

Confirm the exact maturity date Check the account certificate, online account, email or postal maturity notice.
Identify the default maturity product Understand where the balance will move if no instruction is provided.
Compare the available alternatives Check the rate, term, access, deposit window and account-management channel.
Protect ISA status Move an ISA into another ISA or use a formal external ISA transfer.
Submit the instruction through the correct channel Online, branch and agency maturity routes can differ.
Keep the confirmation Record the destination account, amount and effective date.
Do not ignore the default account. It may have a variable rate, different access conditions or a lower return than another suitable option.
Mortgage decision centre

Choose the right Yorkshire Building Society mortgage route

Mortgage decision path

1
Identify the journey

First home, moving, remortgage, borrowing more, product switch or payment support.

2
Check affordability

Review income, essential spending, debts, deposit and likely future changes.

3
Compare total cost

Include the rate, product fee, valuation, legal costs, cashback and ERC.

4
Confirm completion

Retain the offer, effective date, payment amount and product conditions.

First-time buyer

Review deposit options, buying costs, affordability and a Decision in Principle.

Moving home

Check porting, additional borrowing and the timing of sale and purchase.

Remortgage to YBS

Compare the new deal after legal work, valuation, fees and the existing lender’s ERC.

Existing YBS borrower

Review switching, overpayment, redemption, borrowing-more and payment-support options.

Decision in Principle facts

Can take around 10 minutes online
Uses a soft credit check
Does not guarantee a mortgage offer
Currently lasts for 90 days
Requires income and regular-outgoing information
Requires three years of address history
Advice versus execution only: An online execution-only application means you choose the mortgage without receiving a suitability recommendation. Telephone advice may be more suitable when you are uncertain about the rate type, term, fees or ERC.
Your home may be repossessed if you do not keep up repayments on your mortgage. A calculator or Decision in Principle is not a final mortgage offer.
Low-deposit first-home option

Understand the YBS £5k Deposit Mortgage before applying

Current basic structure: The product is designed for eligible first-time buyers with a minimum £5,000 deposit and can support borrowing up to 99% loan-to-value.
Current headline conditions should be verified again before application
Condition Current published position Why it matters
Buyer status At least one joint applicant must qualify as a first-time buyer, and neither applicant can currently own a property. Ownership history affects eligibility.
Minimum deposit £5,000. Buying costs must normally be funded separately.
Maximum property value £500,000. A higher purchase price is outside the product limit.
Maximum LTV 99%. Very high LTV increases negative-equity risk.
New builds Not available for new-build houses or flats. Property type is part of product eligibility.
Location Not available in Northern Ireland. The property must be within the supported lending area.
Age at term end Applicants must currently be aged 70 or under at the end of the planned term. Term length affects eligibility and affordability.
High loan-to-value risk: A small fall in property value can create negative equity because the mortgage starts close to the purchase price.
Existing mortgage customers

Manage or switch an existing YBS mortgage

Existing-account support

Call 0345 1200 822 for mortgage account enquiries.

Switching or moving home

Call 0345 166 9510.

Automated mortgage services

Balance enquiries and some mortgage payments are available by telephone 24 hours a day.

Before switching the deal

Current mortgage balance
Existing deal-end date
Early Repayment Charge
Remaining mortgage term
Current and future monthly payment
New product fee
Property value and loan-to-value
Any additional borrowing requirement
Compare the available mortgage routes
Route Potential advantage Important check
Switch to another YBS deal May involve a simpler existing-customer process. Rate, product fee, ERC and effective date.
Remain on a variable rate Can provide flexibility. Payment can change when the variable rate changes.
Remortgage to another lender Provides access to the wider market. Affordability, valuation, legal work, fees and completion timing.
Move home with the mortgage May allow an existing rate to be ported. Porting is not automatic and a new lending assessment applies.
Borrow more Can fund an eligible major expense. Affordability, loan-to-value and total interest over the mortgage term.
Do not wait until the final payment date to compare deals. Allow time for advice, valuation, legal work and completion when considering another lender.
Mortgage payment support

Contact YBS early if mortgage payments are becoming difficult

Mortgage arrears team: 0800 138 2402, Monday to Friday 9am–5pm and Saturday 9am–1pm.
Mortgage account number
Next payment date and amount
Current household income
Expected income changes
Essential household spending
Other debts and arrears
Benefits or insurance claims
A safe telephone contact time
Do not cancel the mortgage Direct Debit without discussing the consequences. A missed or late payment can affect the mortgage account and credit record.
Use free independent debt support when needed. A debt adviser can help prepare an income-and-expenditure budget and prioritise housing costs.
Branches, agencies and contact details

Find a Yorkshire Building Society location without a wasted journey

YBS currently states that it has more than 200 branches and agencies. A full branch and an independent agency can provide different services, so open the individual location page before travelling.

Search by town or postcode Use the official location finder.
Check whether it is a branch or agency Agency services may be more limited than a full YBS branch.
Confirm current opening hours Holiday, Saturday and local opening times can vary.
Check the service required Ask about document registration, cash, CHAPS, mortgage advice or account opening before travelling.
Bring original documents where required Power of attorney, Court of Protection and identity checks can require originals.
Book an appointment for complex help Use the branch or telephone appointment service where available.
Online account enquiries

0345 1200 805

Monday–Friday 9am–5pm

Saturday 9am–1pm

Branch and postal savings enquiries

0345 1200 100

Monday–Friday 9am–5pm

Saturday 9am–1pm

Existing mortgage enquiries

0345 1200 822

Monday–Friday 9am–5pm

Saturday 9am–1pm

New mortgage enquiries

0345 1200 200

Monday–Friday 9am–5pm

Saturday 9am–1pm

Calling from overseas

+44 1274 263013

Published UK service hours apply.

Head office
Yorkshire Building Society
Yorkshire House
Yorkshire Drive
Bradford
BD5 8LJ
Head office is not automatically a normal counter-service branch. Use the official location finder for face-to-face account transactions.
Fraud, card and device security

Protect a YBS account when something feels wrong

Act immediately when a card, phone or account has been compromised.

Call 0345 910 1112 for a lost or stolen card or online-account lock. Call 0345 1200 805 to deregister a lost phone or tablet from the YBS app.

Safe-account scam

Do not move savings because a caller claims the current account has been compromised.

Unexpected automated call

Do not approve a change or payment that you did not initiate.

Remote-access request

Do not install screen-sharing software because an unexpected caller requests it.

App-device theft

Deregister the device quickly and change any exposed phone or email security.

Suspicious message

Do not click the link or attachment. Contact YBS through a verified number.

Payment already sent

Call immediately with the amount, recipient, reference and time.

Information YBS says it will not normally request

Your whole online password during normal login support
A transfer to a newly created safe account
A code for an action you did not request
Confidential account information by ordinary email
Remote access to protect your savings
Immediate investment in a guaranteed-return opportunity

Evidence to preserve

Date and time
Payment amount
Recipient name and details
Caller telephone number
Emails and text messages
Website address
Screenshots without exposing them publicly
Instructions given by the suspected scammer
Bereavement and legal authority

Register a bereavement or power of attorney with YBS

Tell YBS that a customer has died

Bereavement team: 0345 166 9229. The dedicated bereavement page currently lists Monday to Friday, 9am–5pm.
Register the death Obtain the official death certificate or recognised government notification.
Notify YBS Use the online bereavement form, telephone the specialist team or visit a branch.
Bring or provide the death certificate YBS needs the certificate to begin managing the deceased customer’s accounts.
Identify the estate representative Explain whether you are an executor, administrator, solicitor or family notifier.
Wait for the account-specific requirements The documents depend on ownership, balance and the estate’s legal position.
Keep an estate administration file Save certificates, forms, letters, invoices and account-closure confirmations.
Bereavement postal address
Bereavement Team
Customer Service Centre
Yorkshire Building Society
Yorkshire House
Yorkshire Drive
Bradford
BD5 8LJ

Register power of attorney

Power-of-attorney support: 01274 472 220, Monday to Friday, 9am–5pm.
Create and register the legal authority Use the relevant government process for England and Wales, Scotland or Northern Ireland.
Complete the YBS power-of-attorney form Identify the donor, attorneys and how multiple attorneys must act.
Choose branch or postal registration Bring the documents to a branch or send them to YBS’s Customer Service Centre.
Provide identification Branch applications require original name and address evidence. Postal applications have their own evidence requirements.
Confirm account and transaction access The legal document, restrictions and product terms determine what the attorney can do.
A spouse, child or other relative does not automatically have authority over another adult’s account. The relevant legal authority must be accepted and registered by YBS.
Accessibility and additional support

Tell Yorkshire Building Society what support you need

Support needs can be temporary, permanent or related to a difficult life event. Explain the practical barrier rather than assuming that only one standard adjustment is available.

Communication

Ask about clearer explanations, slower speech or additional appointment time.

Alternative formats

Request large print, Braille, audio or another appropriate format.

Digital support

Explain when app, automated-call or online verification creates a barrier.

Financial abuse

Ask to speak privately when another person controls your money or communications.

Use a safe contact method. Tell YBS if normal letters, texts, calls or emails could put you at risk.
Deposit protection

Understand the shared YBS Group FSCS limit

Standard protection: Eligible deposits are generally protected up to £120,000 per eligible person across the covered YBS brands combined.
Brands sharing the Yorkshire Building Society deposit-protection limit
Brand or holding How it is treated Practical effect
Yorkshire Building Society Included under the YBS authorisation. Count eligible YBS deposits toward the £120,000 total.
Chelsea Building Society Trading name within the same protected total. Add eligible Chelsea balances to eligible YBS balances.
Norwich & Peterborough Trading name within the same protected total. Add eligible N&P balances to the same total.
Accord offset-linked deposits Relevant deposits are held with Yorkshire Building Society. Include them when checking applicable YBS exposure.
Example: £70,000 with YBS and £70,000 with Chelsea produces £140,000 across the shared licence. Under the standard individual limit, £20,000 may be unprotected unless another FSCS rule applies.
Joint accounts

Two eligible holders can have a combined standard entitlement of up to £240,000, subject to their other covered holdings.

Temporary high balances

Additional protection may apply after certain qualifying life events for a limited period.

Different ownership types

Individual, joint, trust, child, executor and business accounts can be treated differently.

Complaint and escalation process

Make a clear complaint to Yorkshire Building Society

YBS complaint number: 0800 056 5252, Monday to Friday, 9am–5pm.
Your full name and safe contact information
Affected account or application reference
Important dates and times
Names or departments already contacted
Statements, letters or screenshots
Financial and practical impact
The outcome you are requesting
A copy of everything submitted
Use the official online form, telephone or branch Choose the route that allows you to preserve a clear submission record.
Explain the issue in date order State what happened, what should have happened and what has already been tried.
Separate different complaint points Use headings for payment, access, savings, mortgage, advice, fee or service issues.
Request a specific resolution Ask for an explanation, correction, payment investigation, fee review or another realistic outcome.
Keep the complaint reference Save the online confirmation, call details and every written response.
Review the summary resolution or final response Check whether every complaint point has been answered.
YBS’s current published general complaint timescales
Stage Published position Your next action
Resolved quickly YBS can send a summary resolution letter when resolved within four working days and accepted. Keep the letter and check Ombudsman information.
Payment complaint FCA rules can allow up to 35 days. Provide requested payment evidence promptly.
Other complaint YBS generally has up to eight weeks to issue a final response. Review the response and supporting explanation.
Financial Ombudsman The normal referral deadline is six months from the summary resolution or final response. Do not miss the stated deadline.
Yorkshire Building Society complaints

0800 056 5252

Financial Ombudsman Service

0800 023 4567

Plain-English terminology

Understand common YBS savings and mortgage terms

Use the product terms for the controlling contractual meaning
Term Plain-English meaning Why it matters
Customer number A 10-digit number identifying your YBS online customer profile. It is different from a product account number.
Account number A 10-digit number identifying a particular YBS account. It can be required as a roll number or payment reference.
AER Annual Equivalent Rate showing an annualised savings return. It helps compare accounts paying interest at different intervals.
Gross rate Interest before personal tax treatment. Tax responsibility depends on the saver and account type.
Flexible ISA An ISA allowing eligible withdrawals to be replaced within the same tax year. Replacement timing affects the ISA allowance.
Limited access An account allowing withdrawals only on a set number of days or under specific rules. Extra access can reduce interest or close the account.
Maturity The date a fixed savings or mortgage product ends. A default account or rate can apply afterwards.
LTV Loan-to-value: mortgage debt compared with property value. It affects mortgage pricing and negative-equity risk.
ERC Early Repayment Charge. It can apply when switching, redeeming or overpaying.
Product transfer Moving to another mortgage deal with YBS. It differs from remortgaging to another lender.
Porting Applying to move an existing mortgage product to another property. Porting is subject to a new lending and property assessment.
Decision in Principle An initial assessment of whether YBS may lend and approximately how much. It is not a final mortgage offer.
Real member situations

What to do next in common YBS situations

I cannot log in after using an old bookmark
  1. Open the login through ybs.co.uk.
  2. Try a private browser window.
  3. Clear cookies and cache.
  4. Use the official recovery tool.
  5. Stop before repeated attempts lock access.
I changed my phone
  1. Install the official YBS app.
  2. Enter customer number and date of birth.
  3. Receive the unique code.
  4. Choose biometric or passcode access.
  5. Call if the registered number is unavailable.
My new savings account cannot make a withdrawal
  1. Check the opening date.
  2. Review the seven-day new-account restriction.
  3. Check the account’s access terms.
  4. Confirm identity checks are complete.
  5. Call 0345 1200 805 if the restriction remains.
I want to move a Cash ISA
  1. Choose the receiving ISA.
  2. Check withdrawal penalties.
  3. Use the formal transfer process.
  4. Do not close the old ISA manually.
  5. Keep the transfer reference.
My mortgage deal is ending
  1. Find the end date and balance.
  2. Check the ERC.
  3. Compare YBS switching and wider-market options.
  4. Compare total cost after fees.
  5. Confirm the new effective date.
I sent money after a suspicious call
  1. End contact immediately.
  2. Call YBS through a verified number.
  3. Provide the payment details.
  4. Preserve all messages and numbers.
  5. Change exposed security information safely.
Official starting points

Official Yorkshire Building Society resources

Use the official resource that directly controls your task
Resource Use it for Official link
YBS homepage Current notices, products and official navigation. Open YBS
Online account Official secure account login. Log in
Online registration Register eligible savings and mortgage accounts. Register
Login help Recover password, username or customer number. Open login help
YBS app App features, setup, requirements and downloads. Open app guide
Savings accounts Compare easy-access, limited-access, fixed, ISA and children’s products. Compare savings
Payment guidance Faster Payments, transfers, CHAPS and account references. Open payment help
ISA transfers Transfer Cash ISAs without a manual withdrawal. Open ISA guidance
Mortgages Find deals, calculators and new-application guidance. Explore mortgages
Existing mortgages Statements, redemption, changes and account management. Manage mortgage
Branch finder Current location, opening times and service information. Find a location
Security Online protection, app-device loss and security concerns. Security guidance
Bereavement Notify YBS and understand estate next steps. Bereavement help
Power of attorney Register authority and prepare identity documents. Attorney guidance
Complaints Submit and escalate a formal complaint. Complaint process
FSCS Check shared protection across YBS Group brands. YBS FSCS guidance
Frequently asked questions

Yorkshire Building Society questions answered

What is the official Yorkshire Building Society login page?

Use online.ybs.co.uk. The public first step asks for a customer number or username.

Is my customer number the same as my YBS account number?

No. Both may have 10 digits, but the customer number identifies your online profile and the account number identifies a particular savings or mortgage account.

How do I register for online access?

Use YBS’s official registration page. You normally need a 10-digit account number, access to the registered telephone number or email address, and you must be aged 16 or over.

How do I unlock my YBS online account?

Stop repeated attempts and call 0345 910 1112 when the account has been locked.

What is the YBS online-support number?

Call 0345 1200 805 for online account and app enquiries.

Can I use the YBS app on two devices?

No. YBS currently states that its app can be registered on one device at a time.

What do I need to set up the YBS app?

You need online registration, your customer number, date of birth and access to the registered telephone number for the unique verification code.

What happens after three incorrect app passcodes?

YBS says you must set up the app again using the customer number and date of birth.

What is the Yorkshire Building Society savings number?

Call 0345 1200 100 for branch or postal savings enquiries, or 0345 1200 805 for online savings enquiries.

How do I pay into a YBS savings account?

Check the exact account terms and official payment details. Your 10-digit YBS account number may need to be entered as the building-society reference or roll number.

Can I cancel a Faster Payment after sending it?

No. YBS states that Faster Payments cannot normally be stopped after they are sent.

How do I transfer a Cash ISA to YBS?

Use the formal ISA-transfer process. Online customers can use Account Options, Manage ISA and Transfer a YBS ISA. Other customers can complete the appropriate transfer form.

Are YBS easy-access Cash ISAs flexible?

YBS currently says all its easy-access Cash ISAs are flexible. Eligible withdrawals can be replaced during the same tax year without using additional ISA allowance.

What is the Yorkshire Building Society mortgage number?

Existing mortgage customers can call 0345 1200 822. New mortgage customers can call 0345 1200 200.

Who do I contact to switch my YBS mortgage deal?

Call 0345 166 9510 for switching or moving-home enquiries.

Who do I contact about mortgage arrears?

Call 0800 138 2402 as early as possible.

What is the YBS lost-card number?

Call 0345 910 1112. The line is available 24 hours a day for lost or stolen cards.

How many YBS branches and agencies are there?

Yorkshire Building Society currently states that it has more than 200 branches and agencies.

How do I report a bereavement?

Use the online form, visit a branch or call 0345 166 9229.

How do I register power of attorney?

Complete the YBS form and register in a branch or by post with the legal authority and required identity documents.

How much FSCS protection applies?

Eligible deposits are generally protected up to £120,000 per eligible person across YBS, Chelsea and Norwich & Peterborough combined.

How do I complain to YBS?

Use the official online form, call 0800 056 5252 or visit a branch. Keep the response for any Financial Ombudsman referral.

Editorial trust and verification

How this independent YBS guide was checked

Manual official-source review

This article was rebuilt around official Yorkshire Building Society pages and real member tasks rather than copied product summaries.

Official login and registration routes opened
Customer-number and login recovery guidance reviewed
App setup and one-device rule checked
Online-security and automated-call guidance reviewed
Savings categories and payment limits checked
Cash ISA transfer and flexibility guidance checked
Mortgage products and contact routes checked
Branch and agency information reviewed
Bereavement and power-of-attorney processes checked
Complaint and shared FSCS information checked
Meaningful review date: Official routes, telephone numbers, security rules, app requirements, payment limits, mortgage information and deposit-protection details were reviewed on 29 July 2026. Live savings and mortgage rates are not presented as permanent facts.
Independent information disclaimer

Building-society.org is an independent informational website. It is not operated, sponsored, endorsed or authorised by Yorkshire Building Society, Chelsea Building Society, Norwich & Peterborough Building Society, Accord Mortgages, the FCA, PRA, FSCS or Financial Ombudsman Service.

Rates, account terms, payment limits, opening hours, service channels, app requirements, mortgage conditions, complaint rules and deposit-protection arrangements can change. Verify important information through the relevant official source before transferring money, closing an account, changing a mortgage or submitting legal documents.

This guide provides general educational information and is not personalised savings, mortgage, tax, legal or financial advice. Last meaningful editorial review: 29 July 2026.

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