Estimates your balance at the end of your fixed deal and the new payment needed to finish on time. Uses a daily-interest approximation (closer to how UK mortgages work).
The amount you currently owe (approx is fine).
Used to estimate LTV at the end of your fixed term. Leave blank if unsure.
Add extra months beyond whole years (0–11).
A guess for your follow-on rate / new deal rate.
Extra paid monthly during your remaining fixed period.
Extra paid monthly after the rate change.
Disclaimer: Not financial advice, this tool is an educational estimate only. Real lenders may use daily interest, differing month-day rules, fees, ERCs, offsets, payment holidays, product switches and rounding policies. Always verify with your lender/broker. We’re not a broker. For personalised advice, speak to an FCA-authorised broker/lender.