As announced here in The Times, British banks have been over-charging customers who have remortgaged over the last few years. I just called up Halifax and will be receiving a cheque for £40. Better than nothing.
If you've remortgaged make sure you get your money back - it's just a simple phone call away. If you prefer to write, you can download template letters from moneysavingexpert.com
Spread the word!