£240,000 mortgage: monthly payments

By The PocketSums team. Updated 30 September 2026. How we calculate

Borrowing £240,000? At 4.5% over 25 years you would pay £1,334.00 a month. Every rate and term is compared below.

At 4.5% over 25 years
£1,334 a month
Total interest
£160,200
Income needed (4.5x)
£53,333
Overpay £120 a month
save £25,371
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Monthly payment£1,334.00a month

Borrowing £240,000 (91% loan to value). Total repaid £400,200, of which £160,200 is interest.

A £240,000 repayment mortgage at 4.5% over 25 years costs £1,334.00 a month. You would repay £400,200 in total, of which £160,200 is interest.

Monthly payments on £240,000 by rate and term

Rate 20 years 25 years 30 years 35 years
3.5% £1,392 £1,202 £1,078 £992
4% £1,454 £1,267 £1,146 £1,063
4.5% £1,518 £1,334 £1,216 £1,136
5% £1,584 £1,403 £1,288 £1,211
5.5% £1,651 £1,474 £1,363 £1,289
6% £1,719 £1,546 £1,439 £1,368

How £240,000 is paid off over 25 years

£0k£50k£100k£150k£200k£250k0y5y10y15y20y25y
  • Balance still owed
  • Interest paid so far
At 4.5%. Interest is heaviest in the early years, when the balance is highest.

Total interest on £240,000 by term

  1. 20 years£124,406 (£1,518 a month)
  2. 25 years£160,200 (£1,334 a month)
  3. 30 years£197,774 (£1,216 a month)
  4. 35 years£237,044 (£1,136 a month)

A longer term lowers the monthly payment but adds interest. Stretching from 25 to 35 years saves £198 a month and costs £76,844 more overall.

Keep going

Questions people ask

What are the monthly payments on a £240,000 mortgage?

£1,334.00 a month on a 25 year repayment mortgage at 4.5%. At 4% it is £1,266.81 and at 5% it is £1,403.02. Interest only at 4.5% would be £900.00.

What salary do I need for a £240,000 mortgage?

At the usual 4.5 times income, about £53,333 for a single buyer or a joint household income. Some lenders go to 5 or 5.5 times, which would need around £43,636.

How much does overpaying a £240,000 mortgage save?

Paying £120 extra a month at 4.5% clears it about 3 years 6 months early and saves roughly £25,371 in interest. Check your lender's overpayment limit, often 10% a year on fixed deals.