Notices
  • Savings customers - interest rates on many of our variable rate savings products will be decreasing from 29 January. We have emailed or written to you to let you know of how these interest rate decreases affect you. See our variable savings rate changes

  • UK Landlords - The Renters’ Rights Bill, introduced in September 2024, received Royal Assent on 27 October 2025 and is now law as the Renters’ Rights Act. Read more about what to expect.
  • Savings: Interest rates for Windfall Bond will decrease by 0.25% from 1 January 2026. We will write to all customers individually to confirm the new rates.

    Mortgages: Tracker mortgages will change on 25 January 2026 and we will write to customers individually with revised payment details where the new rate exceeds the minimum rate (or ‘floor’) already applying to their mortgage.

  • Our Market Tracker Cash ISA (2) paying 4.03% AER is now back on sale. Find out more

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Real life savings case studies

Our case studies show how our savings products have helped real life customers. Read their stories.
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What's not to like? Mrs Rushworth's £10,000 Windfall Bond Win

After a thorough search for the best investment options, Mrs Rushworth discovered Family Building Society. She was impressed by our competitive rates and decided to invest in various products over the years. Mrs Rushworth then won one of our major Windfall Bond prizes!
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Winning big with the Windfall Bond

After being displeased by the offer from Premium Bonds, Bryony opted for the Windfall Bond to gain interest on her savings whilst having the chance win a prize; to her surprise she won one of our larger prizes
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Disappointed with his Premium Bonds, Mike found the Windfall Bond

Mike decided to try our Windfall Bond Savings Account. Not only did he earn interest on his savings, but he also won a prize
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