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Mortgage Saviours calculators

Overpayments, affordability and remortgage maths that shows the real number.

Mortgage Overpayment Calculator

See exactly how many years and how much interest a monthly mortgage overpayment wipes off your UK mortgage.

Avg saving £23,450 in interest

Self-Employed Mortgage Affordability Calculator

Estimate how much a UK lender will lend you on one or two years of self-employed accounts, plus the property price it buys.

Borrow up to £285,000 on 1 year's books
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BillSaverLab is not financial advice. For illustration only. Speak to an FCA-regulated broker before making a mortgage or borrowing decision. Figures are estimates based on the inputs you provide and may not reflect the deal you are offered. We may earn a commission from links on this site, which never affects the numbers our calculators produce.

© 2026 BillSaverLab — built and bill-tested in Warrington, UK.

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