Best Building Society Savings Accounts UK 2026: Rates Compared

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UK Savings Rate Comparison · Checked 21 September 2026

Best Building Society Savings Accounts UK 2026: Rates Compared

If you are looking for the best building society savings accounts, the highest rate in this selected September 2026 comparison is Nationwide’s Flex Regular Saver at 6.50% AER variable. That headline needs context: you must already hold an eligible Nationwide current account, you can save only up to £200 a month, and making a fourth withdrawal cuts the rate for the rest of the term.

Other accounts can be a better fit for different jobs. Newcastle’s Regular Saver currently pays 5.75% AER variable with penalty-free withdrawals, Skipton offers 5.75% to qualifying existing members, while fixed bonds and Cash ISAs are more suitable when you already have a lump sum rather than money to add every month.

Compare Current Rates Regular Savers Cash ISAs
Rate snapshot, not a permanent league table: rates and account issues can be changed or withdrawn quickly. This comparison checks a selected group of major UK building societies and useful account types; it is not a claim that every UK savings account has been ranked. Re-check the official product page immediately before applying.

Meaningful editorial review: 21 September 2026. Bank Rate, savings rates, product availability, deposit windows, bonuses, ISA rules and withdrawal conditions can change after publication.

Best Building Society Savings Accounts: Quick Answers

6.50% Nationwide Flex Regular Saver — highest headline rate in this selected comparison.
5.75% Newcastle Regular Saver — monthly saving with unlimited penalty-free withdrawals.
5.75% Skipton Member Regular Saver — for members of at least 30 days.
4.76% Skipton five-year fixed bond — selected lump-sum fixed-rate example.
4.30% Principality Online Bonus Triple Access — variable limited-access account.
£120,000 Current standard FSCS deposit-protection limit per eligible person, per authorised firm.
£20,000 Overall ISA subscription limit for the 2026/27 tax year.
3.75% Bank of England Bank Rate after the September 2026 MPC decision.
Fast answer: choose a regular saver if you are building money month by month, a limited/easy-access account for money you may need, a fixed bond for a lump sum you can leave alone, and a Cash ISA when tax-free interest is useful to you.

Building Society Savings Rates Compared: 21 September 2026

These accounts solve different problems, so the rate column should never be read on its own. A 6.50% regular saver with a £200 monthly cap is not directly comparable with a 4.76% fixed bond that can take a lump sum.

Account
Rate
Saving limit
Access
Important catch
Nationwide Flex Regular Saver
Regular saver Variable
6.50% AER
Up to £200 a month for 12 months.
Up to 3 withdrawals without losing the headline rate.
Existing Nationwide current-account customers only. A fourth withdrawal currently reduces the rate to 1.05% for the remaining term.
Newcastle Regular Saver (Issue 2)
Regular saver Variable
5.75% AER
Open from £1; save up to £250 per calendar month.
Unlimited withdrawals and transfers without penalty or notice.
The current Issue 2 account is opened in branch.
Skipton Member Regular Saver
Member saver Variable
5.75% AER
Up to £250 per month, maximum £3,000 over the 12-month term.
No withdrawals; early closure is allowed.
You must have been a Skipton member for at least 30 days. Rate tracks 2.00 percentage points above Bank Rate.
West Brom Fixed Rate Regular Saver (Issue 8)
Regular saver Fixed
5.00% AER
Open from £1; save up to £200 per month.
No withdrawals during the 12-month term.
Online opening is currently restricted to specified West Brom branch postcode areas; branch applications are also available.
Coventry Sunny Day Saver (3)
Regular saver Flexible access
5.00% AER
Up to £150 each calendar month for 12 months.
Money can currently be taken out at any time without a withdrawal charge.
Rate is variable and the monthly deposit ceiling is lower than several rival regular savers.
Yorkshire BS Triple Access eSaver
Limited access Variable
4.20% AER
Open from £1; current product permits balances up to its published maximum.
Withdraw on any 3 days during the one-year account term.
This is limited access rather than unrestricted easy access.
Principality Online Bonus Triple Access
Limited access Bonus rate
4.30% AER
Open from £1; pay in when you like, subject to product limits.
3 withdrawals per calendar year.
The current 4.30% includes a 1.95% variable bonus for the first 12 months; the underlying current rate is 2.35%.
Skipton 5 Year Fixed Rate Bond
Lump sum Fixed
4.76% AER
Open from £1 during the current funding window.
No withdrawals or early closure under the normal product terms.
Five years is a long commitment. The current issue says further funding closes on 23 September 2026.
Do not compare these rows as if they are identical products. Regular savers limit how quickly you can put money in. Fixed bonds are designed for an existing lump sum. Limited-access accounts sit between easy access and fixed savings.

Best Building Society Regular Savers in This 2026 Comparison

Regular savers often advertise the most eye-catching building society rates because the provider limits how much you can add each month. They are useful for salary-day saving or building a pot gradually, but not usually for depositing £10,000 immediately.

Highest selected headline rate

Nationwide Flex Regular Saver

6.50% AER/gross variable
  • Up to £200 a month.
  • 12-month term.
  • Existing Nationwide current-account customers.
  • Up to three withdrawals at the headline rate.
  • Fourth withdrawal currently triggers a lower rate for the remainder of the term.
Most flexible selected regular saver

Newcastle Regular Saver (Issue 2)

5.75% Gross PA/AER variable
  • Open from £1.
  • Save up to £250 per calendar month.
  • Unlimited withdrawals and transfers without penalty or notice.
  • 12 months before funds move to a variable easy-access account.
  • Current Issue 2 application route is in branch.
Member rate

Skipton Member Regular Saver

5.75% gross pa/AER variable
  • Save up to £250 per calendar month.
  • Available to Skipton members of at least 30 days.
  • No withdrawals, although the account can be closed early.
  • Rate tracks 2.00 percentage points above Bank of England Bank Rate for the 12-month term.
Fixed regular saver

West Brom Fixed Rate Regular Saver (Issue 8)

5.00% gross/AER fixed
  • Open from £1.
  • Save up to £200 a month.
  • Rate is fixed for 12 months.
  • No withdrawals or normal closure during the fixed term.
  • Online-opening postcode restrictions currently apply.
Access-friendly

Coventry Sunny Day Saver (3)

5.00% AER/Gross variable
  • For customers aged 18+.
  • Save up to £150 each calendar month.
  • Withdraw at any time without a charge under the current terms.
  • Runs for 12 months.
  • Eligible monthly saving can also qualify the account for Coventry’s stated prize draws.
YBS loyalty

Yorkshire BS Loyalty Regular eSaver

4.85% gross/AER variable
  • Open from £1.
  • Save up to £250 per month for one year.
  • Online account.
  • Withdraw on any one day during the year.
  • Loyalty eligibility applies, so check your YBS membership history before applying.
Fixed monthly saving

Principality 1 Year Regular Saver Bond

4.85% gross/AER fixed
  • Open from £1.
  • Pay in up to £250 per month.
  • Maximum balance £3,000 before interest under the current account rules.
  • No withdrawals during the term.
  • Interest is paid at maturity.
Why a 6.50% regular saver does not pay 6.50% on £2,400 for a whole year: if you deposit £200 each month, most of the money is in the account for less than 12 months. Nationwide’s own illustration currently shows £2,400 of monthly deposits producing £84.50 interest over the year if the rate does not change and no withdrawals are made.

Best Limited-Access Building Society Savings Accounts in This Comparison

Savers often search for “easy access” when what they actually need is occasional access. Limited-access accounts can pay more than some unrestricted accounts, but the withdrawal calendar matters.

Account
Rate
Opening
Access
Watch for
Principality Online Bonus Triple Access
4.30% AER variable
£1 minimum; online.
3 withdrawals per calendar year.
1.95% variable bonus currently applies for 12 months; current underlying rate is 2.35%.
Yorkshire BS Triple Access eSaver
4.20% AER variable
From £1; online.
Withdraw on any 3 days during the one-year term.
Three withdrawal days are not the same as three individual withdrawals.
Skipton Two Access Saver
3.90% AER variable
From £1.
Up to 2 withdrawals each year, plus closure.
Not designed for frequent emergency-fund withdrawals.
Emergency-fund rule: if you may need the money repeatedly for car repairs, bills or income gaps, an unrestricted easy-access account can be more useful than earning a slightly higher rate with a withdrawal limit.

Fixed-Rate Building Society Savings for a Lump Sum

A fixed-rate bond suits money that is already available and can genuinely stay untouched. It solves a different problem from a regular saver: you usually put in a lump sum during the funding window and then leave it alone.

Skipton 18 Month Fixed Rate Bond 4.64% gross pa/AER fixed. Save from £1. No normal withdrawals or early closure during the fixed term.
Skipton 3 Year Fixed Rate Bond 4.50% gross pa/AER fixed. A longer commitment than the 18-month account, so consider whether the extra lock-in fits your plans.
Skipton 5 Year Fixed Rate Bond 4.76% gross pa/AER fixed. Save from £1. The current issue states that further payments must be completed by 23 September 2026.
Principality 1 Year Fixed Rate Bond 4.45% gross/AER fixed. £500 minimum opening deposit, no withdrawals, with current management options including online, branch or post.
Do not fix for five years simply because 4.76% is higher than a one-year rate. You are giving up access and the ability to move the money if market rates rise. Match the fixed term to a real date when you expect to need the cash.

Building Society Cash ISAs in 2026: When Tax-Free Interest Matters

The overall ISA subscription limit for the 2026/27 tax year is £20,000. A Cash ISA becomes more valuable when your taxable savings interest outside ISAs could exceed your available allowances, or when you want to preserve a tax-free savings pot over several years.

Skipton 5 Year Fixed Rate Cash ISA 4.76% tax-free/AER fixed. Open from £1. Current terms permit early closure subject to a 365-day interest penalty, so it is not the same as ordinary easy access.
Skipton 18 Month Fixed Rate Cash ISA 4.64% tax-free/AER fixed. Early closure currently carries a 90-day interest penalty.
Principality 1 Year Fixed Rate Cash ISA 4.50% tax-free/AER fixed in the current savings range, with a £500 minimum opening deposit.
Cash ISA allowance now The 2026/27 overall ISA subscription limit remains £20,000. ISA tax treatment depends on the rules applying to you.
Important change from 6 April 2027: current government policy reduces the annual Cash ISA subscription limit to £12,000 for people under 65 while retaining the £20,000 overall ISA limit. Those aged 65 or over retain a £20,000 Cash ISA limit under the announced rules.
ISA transfer rule: if you want to move existing ISA savings while retaining their ISA status, use the receiving provider’s formal ISA transfer process. Do not simply withdraw the money into an ordinary current account unless you understand the specific flexible-ISA rules that apply.

How Much Interest Could You Actually Earn?

AER is useful for comparing accounts, but the cash amount you receive depends on when money enters the account, whether the rate changes and whether you make withdrawals.

Nationwide regular saver example Nationwide currently illustrates £200 deposited on the first of every month — £2,400 in total — growing to £2,484.50 after 12 months if the 6.50% variable rate stays unchanged and no withdrawals are made.
Skipton member saver example Skipton currently illustrates £250 deposited on the first of each month — £3,000 in total — producing an estimated £3,093 balance after 12 months if the assumed rate conditions hold.
West Brom fixed regular saver example West Brom’s current illustration shows £200 per calendar month producing an estimated £2,464.66 balance after the 12-month term.
Coventry Sunny Day example Coventry currently illustrates £150 paid on the first of each month producing an estimated £1,848.86 after 12 months if the 5.00% rate does not change and no money is withdrawn.
Lump-sum example: £10,000 held for a full year at 4.45% AER would be around £445 of gross interest if the account calculation, compounding and product terms produce the advertised annual equivalent over that period. Tax may apply outside an ISA depending on your circumstances and allowances.

How to Choose the Best Building Society Savings Account for Your Money

The best account is the one that gives you a competitive return without forcing you to break the rules you already know you will need to break. Start with access and funding pattern, then compare rates.

If you are saving from monthly income

  • Start with regular savers.
  • Check the maximum monthly deposit.
  • Check whether missed months can be caught up later.
  • Check whether withdrawals are allowed.
  • Check existing-member or current-account eligibility.

If you already have a lump sum

  • Compare easy/limited access with fixed bonds.
  • Do not use a monthly saver for money it cannot accept immediately.
  • Match fixed terms to known future spending.
  • Check FSCS exposure across accounts sharing one banking licence.
  • Consider whether a Cash ISA improves your after-tax return.
Decide the earliest date you may need the money.
Separate emergency cash from money that can be locked away.
Check whether the advertised rate is fixed or variable.
Check monthly, annual and total deposit limits.
Read withdrawal penalties and access-day limits.
Check member, age, postcode and current-account eligibility.
Compare taxable savings with Cash ISA alternatives.
Check FSCS protection by authorised firm, not just brand name.
Review what happens when the account matures.
Save the terms that apply when you open the account.

AER, Gross and Tax-Free: What the Savings Rate Actually Means

AER Annual Equivalent Rate helps compare savings accounts by showing the equivalent annual rate when interest is paid and compounded under the stated assumptions.
Gross rate The interest rate before any tax that may be due. Banks and building societies generally pay savings interest gross.
Tax-free Used for qualifying ISA interest that is not subject to UK Income Tax under ISA rules. Personal tax treatment can depend on your circumstances.
Fixed rate The stated rate is fixed for the specified product term, although access and funding conditions still matter.
Variable rate The provider can change the rate in accordance with the account terms. Some variable products track Bank Rate while others do not.
Bonus rate A temporary additional rate. Check what the account pays after the bonus period rather than assuming the headline rate continues indefinitely.

Will You Pay Tax on Building Society Savings Interest?

Many UK savers can receive some savings interest outside an ISA without Income Tax because of the Personal Savings Allowance. The amount depends on your tax band and wider income.

£1,000 Personal Savings Allowance for a basic-rate taxpayer under current rules.
£500 Personal Savings Allowance for a higher-rate taxpayer.
£0 Personal Savings Allowance for an additional-rate taxpayer.

Lower-income savers can also qualify for the starting rate for savings. HMRC says this can provide up to £5,000 of savings interest at 0% where the relevant non-savings income conditions are met.

Why this affects the “best” account: a taxable account paying a slightly higher rate can still leave some savers better off than a lower-paying Cash ISA, while someone already exceeding their tax-free savings allowances may value the ISA wrapper more. Compare the rate you keep after tax, not just the headline percentage.

Official HMRCCheck Tax-Free Savings Interest Allowances

After opening this link:

  1. Check whether you can use the Personal Savings Allowance.
  2. Check your Income Tax band rather than assuming everyone receives £1,000.
  3. If your other taxable income is relatively low, read the starting-rate-for-savings section.
  4. Add interest from all taxable savings accounts when estimating whether you exceed an allowance.
  5. Use current HMRC rules for your tax year before making a tax-driven savings decision.

FSCS Protection for Building Society Savings in 2026

The standard Financial Services Compensation Scheme deposit limit is currently £120,000 per eligible person, per authorised firm. The limit increased from £85,000 on 1 December 2025.

£120,000 standard protection Applies to eligible deposits per eligible person, per authorised firm, subject to FSCS rules.
Joint accounts Protection is normally applied to each eligible account holder’s share, subject to the relevant authorised-firm limit.
Shared banking licences Different brands can sometimes sit under one banking licence, so separate brand names do not automatically create separate £120,000 limits.
Temporary high balances FSCS currently provides qualifying temporary-high-balance protection up to £1.4 million for up to six months in certain circumstances.
Large-balance check: if your savings are approaching £120,000 with one provider or banking group, use the FSCS protection checker before assuming that opening a second branded account gives another full protection limit.

Official FSCSCheck the Current FSCS Deposit Limit

After opening this link:

  1. Confirm the standard deposit-protection limit currently shown.
  2. Read the section about multiple brands and shared banking licences.
  3. Add together deposits held with the same authorised firm.
  4. If you recently received proceeds from a house sale, inheritance or another major life event, check the temporary-high-balance rules.
  5. Use the FSCS checker if you are uncertain how your providers are grouped.

Why Building Society Savings Rates Can Change Quickly

The Bank of England maintained Bank Rate at 3.75% at its September 2026 Monetary Policy Committee meeting. That does not mean every variable savings account must pay 3.75%, nor that every provider changes rates immediately.

Building societies set savings rates based on funding needs, competition, product strategy, Bank Rate and the terms of the individual account. A regular saver can therefore pay well above Bank Rate while accepting only a small amount each month.

Variable account

The rate can go up or down under the account terms. An attractive rate today may be lower later in your saving period.

Fixed account

The rate is locked for the agreed term, but you normally give up access and cannot benefit if new market rates rise above your fixed rate.

Official Bank of EnglandSeptember 2026 Bank Rate Decision

After opening this link:

  1. Check the current Bank Rate shown at the top of the page.
  2. Check the publication date so you know whether a newer MPC decision has been released.
  3. Do not assume your building society must move a variable savings rate by exactly the same amount.
  4. Return to your savings product terms to see whether its rate explicitly tracks Bank Rate.

Official Cash ISA Rules for 2026/27 and April 2027

GOV.UKCurrent ISA Rules

After opening this link:

  1. Check the current tax year’s overall ISA allowance.
  2. Review who can open an ISA.
  3. Check the rules for the type of ISA you intend to use.
  4. Use current-year guidance rather than an older allowance quoted in an article or forum.

HMRC policyCash ISA Limit Change From April 2027

After opening this link:

  1. Check the 6 April 2027 start date.
  2. Read the £12,000 Cash ISA limit applying to people under 65.
  3. Read the separate rule for people aged 65 or over.
  4. Check the overall £20,000 ISA limit and transfer-rule changes before planning a 2027/28 ISA strategy.

Common Savings Comparison Mistakes

Ranking regular savers against lump-sum accounts A £200-per-month saver cannot take a £10,000 lump sum immediately, so the AER alone does not make it a better home for that £10,000.
Ignoring access rules A higher rate can lose its practical value if you need to close the account early or repeatedly withdraw an emergency fund.
Missing member eligibility Some headline rates require an existing current account, an established membership period or another qualifying relationship.
Forgetting a bonus expiry A 12-month bonus can make today’s rate look strong while leaving the account much less competitive later.
Opening a fixed account before checking the funding window Some fixed accounts accept additional money only until a specific date or until the issue is withdrawn.
Assuming every brand has separate FSCS cover FSCS protection applies by authorised firm, so brand ownership and shared banking licences matter.
Chasing AER without checking tax The highest gross rate does not automatically produce the highest after-tax return for every saver.
Withdrawing an ISA to transfer it Use the official ISA transfer process when you need to preserve the tax-free status of existing ISA money.

Which Account Type Fits Which Saving Goal?

Your goal
Start with
Access need
Funding style
Main thing to check
Build £100–£250 a month
Regular saver
Low to medium
Monthly
Monthly cap and missed-payment rules.
Emergency savings
Easy access
High
Lump sum + top-ups
True unrestricted access and variable rate.
Money needed only occasionally
Limited access
Medium
Lump sum + top-ups
Number of withdrawal days or transactions.
Known future purchase
Fixed bond
Low
Lump sum
Term, maturity date and early-access rule.
Tax-free cash saving
Cash ISA
Varies
Varies
ISA allowance, transfer rules and access penalties.

More Building Society Guides

If one of the accounts above interests you, use the society guide to understand its login routes, savings service, branch support and security procedures before moving money.

Nationwide Building Society Guide Yorkshire Building Society Guide West Brom Building Society Guide

How These 2026 Savings Rates Were Checked

The comparison was manually reviewed against current product information published by the building societies and current government or regulatory information for Bank Rate, ISA limits, savings tax allowances and FSCS protection.

Nationwide Flex Regular Saver rate and withdrawal tiers checked.
Newcastle Regular Saver Issue 2 funding and access checked.
Skipton member, fixed bond and Cash ISA rates checked.
West Brom Fixed Rate Regular Saver terms checked.
Coventry Sunny Day Saver funding and access checked.
Yorkshire BS Triple Access and loyalty saver information checked.
Principality regular, limited-access and fixed products checked.
Bank of England September 2026 Bank Rate checked.
2026/27 ISA allowance checked with GOV.UK.
April 2027 Cash ISA rule change checked with HMRC.
Personal Savings Allowance checked with HMRC.
Current £120,000 FSCS limit checked with FSCS.

Rate-check date: 21 September 2026. Product issues can close or be replaced after this date. The official provider page should control any application decision.

Official Sources Used for This Savings Comparison

Nationwide Flex Regular Saver Newcastle Regular Savers Skipton Savings Rates Skipton Fixed Rate Bonds Skipton Fixed Cash ISAs West Brom Fixed Regular Saver Coventry Sunny Day Saver Yorkshire BS Savings Principality Savings Accounts Bank of England Bank Rate GOV.UK ISA Rules HMRC Savings Interest Tax FSCS Deposit Protection

Independent Financial Information and Safety Notice

Building-society.org is an independent informational website. It is not Nationwide, Newcastle Building Society, Skipton Building Society, West Brom Building Society, Coventry Building Society, Yorkshire Building Society, Principality Building Society, HMRC, the Bank of England, the Financial Conduct Authority or the Financial Services Compensation Scheme.

This comparison does not provide personalised financial, investment or tax advice. It cannot open an account, move money, transfer an ISA or assess whether a particular savings product is suitable for your circumstances.

Before depositing money: confirm the live AER, product issue, eligibility, deposit limit, access terms, maturity process and FSCS position on the provider’s official website. Never enter savings account security details on this website.

Best Building Society Savings Accounts FAQs

1. Which building society has the highest savings rate in this September 2026 comparison?

Nationwide’s Flex Regular Saver has the highest headline rate among the selected accounts checked on 21 September 2026 at 6.50% AER variable. It is not a general lump-sum account: you need an eligible Nationwide current account, can save up to £200 a month and the withdrawal rules affect the rate.

2. Which building society regular saver allows useful access to the money?

Newcastle Regular Saver Issue 2 currently pays 5.75% Gross PA/AER variable and allows unlimited penalty-free withdrawals and transfers without notice. Coventry’s Sunny Day Saver also provides charge-free access but currently has a lower £150 monthly deposit ceiling.

3. Is a building society safer than a bank for savings?

A building society is not automatically safer simply because it is a mutual. For deposit protection, check whether the provider is UK authorised and whether your eligible deposits fall within FSCS rules. The standard FSCS deposit-protection limit is currently £120,000 per eligible person, per authorised firm.

4. What is the best type of savings account for £10,000?

It depends on when you need the £10,000. For an emergency fund, start with easy access. If you can leave the whole balance untouched until a known date, compare fixed bonds. If tax on savings interest is relevant, compare Cash ISAs as well. A regular saver is usually less suitable for an immediate £10,000 deposit because monthly funding limits apply.

5. What does AER mean on a building society savings account?

AER means Annual Equivalent Rate. It is designed to help compare savings accounts by showing the equivalent annual rate where interest is paid and compounded under the stated assumptions. It does not remove the need to compare access restrictions, bonuses, funding limits or eligibility.

6. Does 6.50% on a regular saver mean I earn 6.50% on the full year’s deposits?

Not usually. Money is added month by month, so later deposits earn interest for fewer months. Nationwide’s current example shows £2,400 deposited as £200 each month earning £84.50 over 12 months if the 6.50% variable rate does not change and no withdrawals are made.

7. Is a regular saver better than a fixed-rate bond?

They serve different purposes. A regular saver suits money arriving gradually from income and normally has a monthly deposit cap. A fixed-rate bond is more suitable for a lump sum you already hold and can leave untouched for the fixed term.

8. What is the Cash ISA allowance for 2026/27?

The overall ISA subscription limit for the 2026/27 tax year is £20,000. You should check current GOV.UK rules before contributing because your subscriptions across ISA types count toward the applicable annual limits.

9. Is the Cash ISA limit changing in 2027?

Yes. Under the announced rules taking effect from 6 April 2027, the annual Cash ISA subscription limit for people under 65 will be £12,000 within the £20,000 overall ISA limit. Those aged 65 or over retain a £20,000 Cash ISA limit under the published policy.

10. How much building society savings money is protected by FSCS?

The current standard FSCS limit is £120,000 per eligible person, per authorised firm. If different savings brands share the same banking licence, deposits may be combined for protection purposes. Qualifying temporary high balances can receive additional protection under separate FSCS rules.

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