Mortgage overpayment
Example result
£200,000 balance, 5% rate, 25 years left, £200 extra a month.
Interest saved
£41,842.60
6 years 2 months
Interest without overpaying
£150,754.02
Interest with overpaying
£108,911.43
Rules last checked 13 October 2026
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Start with these
Property and mortgages
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Interest and time saved by overpaying your mortgage.
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Browse by topic
Covering the United Kingdom for now.
Property and mortgages
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8 calculators
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ISA allowances and family tax help.
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2 calculators
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