A Certificate of Interest gives details of exactly how much interest was charged to your mortgage account during each quarter of the financial year, April to April. You can use it to help you complete your tax return or your accountant may have asked you to obtain one to prepare your annual accounts.
From 6 October 2026, your latest Certificate of Interest will be available through manage your mortgage. Log in or register to view and download it.
For certificates from previous tax years or for closed mortgage accounts, please complete the Certificate of Interest form.
If you need help, or would prefer to receive a paper copy of your Certificate of Interest, call 0345 606 40 60 and select Option 1, followed by Option 3.