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Please note: The Windfall Bond has been temporarily withdrawn for new account openings. However, the regular monthly draw will continue as normal. 

If you would like to be notified by email when the Windfall Bond is available again for new account openings, please complete the following simple form.

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How does the Windfall Bond work?

Each Windfall Bond needs an investment of £10,000, and you can have as many bonds as you like. Once open, the bond pays a rate of interest linked to the Bank of England Bank Rate now and into the future. After a brief qualifying period, each bond is entered into a free draw for the following monthly prizes:

  • 15 prizes of £1,000equivalent to five years' returns from an average savings account

  • Three prizes of £2,500enough to treat yourself to a whole new wardrobe

  • Two prizes of £10,000  enough to help with wedding costs, home improvements, or the family holiday of a lifetime

  • And one prize of £50,000enough for a deposit on a first home, or to reinvest elsewhere, such as your pension pot

Your chances

  • Every month each qualifying bond is allocated one of 15,000 unique tickets in the monthly draw and in each draw 21 tickets are chosen at random
  • Each bond has approximately a 1 in 714 chance of winning a prize in the month’s draw. You can think of this as the 21 selected tickets divided by the 15,000 tickets in each draw
  • That puts your chances of winning at least once in your first twelve draws at approximately 1 in 60. 


The Monthly Free Draw

The Windfall Bond Free Draw is made on the tenth working day of each month. Bonds are eligible to be included in a draw for the first time in the second month after being opened (for example, a bond opened on 1st October is first eligible for a draw in early December). 

There are 15,000 tickets entered into each monthly draw and each eligible bond is allocated one unique ticket. Until there are 15,000 qualifying Windfall Bonds allocated to tickets, there will be blank tickets to make up the ticket total to 15,000 for each draw. 21 tickets are drawn at random in each monthly draw by an independent third party appointed by the Society. A prize is awarded for every bond allocated to a winning ticket. No prize is awarded for any of the 21 tickets drawn that are not allocated to a bond.

We will notify winners of the Monthly Free Draw within 10 working days of the draw taking place. 

We reserve the right to change terms of the draw, the prizes available or end the Monthly Free Draw after giving seventy calendar days’ notice, or as per clause 23 in our Windfall Bond Monthly Free Draw Rules, which are also included in the Product Features leaflet.

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Family Building Society
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30 Church Street
Surrey KT17 4NL
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