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Principality Building Society

Principality Building Society savings rates — compare every account, plus switch offers and guides

Savings rates

Rates reviewed daily · last updated 16 October 2026

Savings rates

All rates AER · Updated October 2026

Easy AccessFixed RateCash ISARegular SaverChildren's Savings
Branch 5 Access Bonus Saver
Online Easy Access
Branch Instant Access
0%1%2%3%4%5%

Rates shown are AER and correct as of October 2026.

Regular Saver

Cash ISA

Children's Regular Saver

Children's Easy Access

Is Principality Building Society FSCS protected?

Yes — FSCS protected up to £120,000

Yes. Principality Building Society savings are FSCS protected up to £120,000 per person, per banking licence, under Principality Building Society.

Banking licence: Principality Building Society

Last checked against the FCA register on 16 October 2026.

See every brand that shares a banking licence

Switch offers

Principality Building Society does not currently have a live switch bonus in our database. Check the status page for history and alternatives.

AI overview by Penny

Who they are

Principality Building Society is a mutual building society headquartered in Cardiff, Wales - owned by its members rather than shareholders. It was formed in 1860 and has grown steadily ever since. It is the largest building society in Wales and the sixth largest in the UK. It serves over 500,000 members through more than 60 branches and agencies across Wales and the bordering English counties. Being a mutual means profits stay in the business rather than going to outside investors - the idea being that this translates into better rates and service for members.

Principality is authorised by the FCA (firm reference 155998) and your eligible deposits are protected up to £120,000 per person by the FSCS.

Savings accounts

The range covers fixed bonds, Cash ISAs, regular savers, easy access and children's accounts. The fixed-rate lineup is the headline act. The 1 Year Regular Saver Bond currently pays 4.85% and requires just £1 to open, though no access is allowed until maturity. The 1 Year Fixed Rate Bond pays 4.80% from £500, and the 2 Year Fixed Rate Bond pays 4.75%.

On the ISA side, the 1 Year Fixed Rate Cash ISA pays 4.75% and the 2 Year version pays 4.70%, both from £500. Longer-term fixed options - the 3, 5 Year Bonds and Cash ISAs - sit in the 4.65%-4.70% range.

For those who need some flexibility, the Branch 5 Access Bonus Saver and its ISA equivalent each pay 3.35%, though that rate includes a 1.05% bonus for the first 12 months - the base rate underneath is 2.30%. Plain easy access accounts (branch or online) and the instant-access Cash ISA currently pay 2.25%.

There is also a 3 Year Children's Regular Saver at 4.00% and the Dylan Advanced Saver at 3.35% for younger savers.

All accounts carry FSCS deposit protection up to £120,000 per person. Principality holds its own banking licence independently, so that full allowance belongs entirely to Principality savers - it is not shared with any other brand.

Is it right for you?

Principality suits savers who want a well-established, genuinely mutual institution and are comfortable with at least some of their money locked away. The fixed bond and ISA rates are competitive, and the low minimum on the Regular Saver Bond (£1) is useful if you want to drip money in. Branch access across Wales and the borders is a genuine bonus if you prefer face-to-face service.

The easy access rates are less competitive than some digital-only rivals, and the bonus on the 5 Access accounts drops away after 12 months - so it pays to diarise a review date.

Rates change regularly, so check the live figures shown on this page before making any decision.

This overview was generated by DepositScout's AI, Penny on 14 October 2026. It may contain inaccuracies — always confirm rates and terms with Principality Building Society directly. Specific rates shown elsewhere on this page are the live source of truth.

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