All tools
Mortgage Calculator
Calculate your monthly payments, model overpayments, or compare two mortgages side by side.
Learn how this calculator works →£
%
years
£
Extra amount on top of your regular payment
Keep the same payment, pay off sooner.
Lender limits: Most UK lenders cap penalty-free overpayments at 10% of the outstanding balance per year. Check your mortgage terms before overpaying.
Your inputs are stored in the browser URL only - nothing is sent to a server. Copy the link to share this exact setup.
Monthly payment
£1,112
Total interest
£133,499
Interest saved
£36,280
Time saved
6 yrs 1 mo
Interest paid £97,219Saved £36,280
Interest paid Interest saved
Remaining balance over time
Standard repayment With overpayments
Year-by-year breakdown
Remaining balance at the end of each year
| Year | Balance | Overpaid | Interest (yr) |
|---|---|---|---|
| 1 | £195,569 | £193,119 | £8,909 |
| 2 | £190,935 | £185,922 | £8,706 |
| 3 | £186,088 | £178,395 | £8,493 |
| 4 | £181,018 | £170,522 | £8,270 |
| 5 | £175,716 | £162,287 | £8,037 |
| 6 | £170,170 | £153,673 | £7,794 |
| 7 | £164,369 | £144,664 | £7,539 |
| 8 | £158,301 | £135,242 | £7,272 |
| 9 | £151,955 | £125,386 | £6,994 |
| 10 | £145,317 | £115,077 | £6,702 |
| 11 | £138,374 | £104,295 | £6,397 |
| 12 | £131,113 | £93,018 | £6,078 |
| 13 | £123,517 | £81,222 | £5,745 |
| 14 | £115,573 | £68,885 | £5,396 |
| 15 | £107,264 | £55,981 | £5,031 |
| 16 | £98,573 | £42,484 | £4,649 |
| 17 | £89,483 | £28,367 | £4,250 |
| 18 | £79,975 | £13,601 | £3,832 |
| 19 | £70,030 | Paid off | £3,395 |
| 20 | £59,629 | Paid off | £2,939 |
| 21 | £48,750 | Paid off | £2,461 |
| 22 | £37,371 | Paid off | £1,961 |
| 23 | £25,469 | Paid off | £1,438 |
| 24 | £13,020 | Paid off | £891 |
| 25 | - | Paid off | £320 |
Enjoying the content?
If this site has been useful, a coffee goes a long way.