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£150,000 Mortgage: Monthly Payments

A £150,000 mortgage over 25 years at 5% costs about £877 a month. Here is how the payment changes with the rate and the length of the mortgage.

Repayment mortgage · a guide, not an offer · checked 8 October 2026

Monthly repayment on £150,000

Interest rate15 years20 years25 years30 years35 years
3%£1,036£832£711£632£577
4%£1,110£909£792£716£664
5%£1,186£990£877£805£757
6%£1,266£1,075£966£899£855
7%£1,348£1,163£1,060£998£958

Use the mortgage calculator

Repayment or interest-only?

Interest rateInterest-only a monthRepayment a month (25 years)
3%£375£711
4%£500£792
5%£625£877
6%£750£966
7%£875£1,060

Interest-only is cheaper each month but you still owe all £150,000 at the end, so you need a plan to repay it.

Total cost

At 5% over 25 years you pay £263,066 in total: the £150,000 borrowed plus about £113,066 of interest. Overpaying a little each month can shorten the term and cut the interest; try the mortgage overpayment calculator.

Nearby amounts

MortgageMonthly at 5% over 25 years
£100,000£585
£125,000£731
£175,000£1,023
£200,000£1,169

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 £150,000 mortgage per month?

Over 25 years at 5% a £150,000 repayment mortgage costs about £877 a month. At 4% it is £792 and at 6% £966.

How much interest will I pay on a £150,000 mortgage?

At 5% over 25 years you would pay about £113,066 in interest on top of the £150,000 you borrow, so £263,066 in total.

What income do I need for a £150,000 mortgage?

Lenders typically offer 4 to 4.5 times income, so you would need an income of roughly £33,333 to £37,500, 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.

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