£280,000 mortgage: monthly payments

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

Borrowing £280,000? At 4.5% over 25 years you would pay £1,556.33 a month. Every rate and term is compared below.

At 4.5% over 25 years
£1,556 a month
Total interest
£186,899
Income needed (4.5x)
£62,222
Overpay £140 a month
save £29,598
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Monthly payment£1,556.33a month

Borrowing £280,000 (90% loan to value). Total repaid £466,899, of which £186,899 is interest.

A £280,000 repayment mortgage at 4.5% over 25 years costs £1,556.33 a month. You would repay £466,899 in total, of which £186,899 is interest.

Monthly payments on £280,000 by rate and term

Rate 20 years 25 years 30 years 35 years
3.5% £1,624 £1,402 £1,257 £1,157
4% £1,697 £1,478 £1,337 £1,240
4.5% £1,771 £1,556 £1,419 £1,325
5% £1,848 £1,637 £1,503 £1,413
5.5% £1,926 £1,719 £1,590 £1,504
6% £2,006 £1,804 £1,679 £1,597

How £280,000 is paid off over 25 years

£0k£50k£100k£150k£200k£250k£300k0y5y10y15y20y25y
  • 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 £280,000 by term

  1. 20 years£145,141 (£1,771 a month)
  2. 25 years£186,899 (£1,556 a month)
  3. 30 years£230,739 (£1,419 a month)
  4. 35 years£276,550 (£1,325 a month)

A longer term lowers the monthly payment but adds interest. Stretching from 25 to 35 years saves £231 a month and costs £89,651 more overall.

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Questions people ask

What are the monthly payments on a £280,000 mortgage?

£1,556.33 a month on a 25 year repayment mortgage at 4.5%. At 4% it is £1,477.94 and at 5% it is £1,636.85. Interest only at 4.5% would be £1,050.00.

What salary do I need for a £280,000 mortgage?

At the usual 4.5 times income, about £62,222 for a single buyer or a joint household income. Some lenders go to 5 or 5.5 times, which would need around £50,909.

How much does overpaying a £280,000 mortgage save?

Paying £140 extra a month at 4.5% clears it about 3 years 6 months early and saves roughly £29,598 in interest. Check your lender's overpayment limit, often 10% a year on fixed deals.