£125,000 Mortgage: Monthly Payments
A £125,000 mortgage over 25 years at 5% costs about £731 a month. Here is how the payment changes with the rate and the length of the mortgage.
Monthly repayment on £125,000
| Interest rate | 15 years | 20 years | 25 years | 30 years | 35 years |
|---|---|---|---|---|---|
| 3% | £863 | £693 | £593 | £527 | £481 |
| 4% | £925 | £757 | £660 | £597 | £553 |
| 5% | £988 | £825 | £731 | £671 | £631 |
| 6% | £1,055 | £896 | £805 | £749 | £713 |
| 7% | £1,124 | £969 | £883 | £832 | £799 |
Repayment or interest-only?
| Interest rate | Interest-only a month | Repayment a month (25 years) |
|---|---|---|
| 3% | £313 | £593 |
| 4% | £417 | £660 |
| 5% | £521 | £731 |
| 6% | £625 | £805 |
| 7% | £729 | £883 |
Interest-only is cheaper each month but you still owe all £125,000 at the end, so you need a plan to repay it.
Total cost
At 5% over 25 years you pay £219,221 in total: the £125,000 borrowed plus about £94,221 of interest. Overpaying a little each month can shorten the term and cut the interest; try the mortgage overpayment calculator.
Nearby amounts
Figures assume a fixed rate for the whole term. Most people fix for two to five years and then move to a new deal, so payments can change. Fees and stamp duty are extra. Speak to a regulated mortgage adviser before you borrow.
Frequently asked questions
How much is a £125,000 mortgage per month?
Over 25 years at 5% a £125,000 repayment mortgage costs about £731 a month. At 4% it is £660 and at 6% £805.
How much interest will I pay on a £125,000 mortgage?
At 5% over 25 years you would pay about £94,221 in interest on top of the £125,000 you borrow, so £219,221 in total.
What income do I need for a £125,000 mortgage?
Lenders typically offer 4 to 4.5 times income, so you would need an income of roughly £27,778 to £31,250, depending on your outgoings.
What is the difference between repayment and interest-only?
With a repayment mortgage you pay off the loan as well as the interest, so you own the home outright at the end. With interest-only you pay just the interest each month and still owe the full amount at the end.
Figures are for the 2026/27 tax year from official sources and are estimates for guidance only, not financial or legal advice. Printed from ukanswers.co.uk.