£330,000 mortgage: monthly payments

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

Borrowing £330,000? At 4.5% over 25 years you would pay £1,834.25 a month. Every rate and term is compared below.

At 4.5% over 25 years
£1,834 a month
Total interest
£220,275
Income needed (4.5x)
£73,333
Overpay £170 a month
save £35,762
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Monthly payment£1,834.25a month

Borrowing £330,000 (90% loan to value). Total repaid £550,275, of which £220,275 is interest.

A £330,000 repayment mortgage at 4.5% over 25 years costs £1,834.25 a month. You would repay £550,275 in total, of which £220,275 is interest.

Monthly payments on £330,000 by rate and term

Rate 20 years 25 years 30 years 35 years
3.5% £1,914 £1,652 £1,482 £1,364
4% £2,000 £1,742 £1,575 £1,461
4.5% £2,088 £1,834 £1,672 £1,562
5% £2,178 £1,929 £1,772 £1,665
5.5% £2,270 £2,026 £1,874 £1,772
6% £2,364 £2,126 £1,979 £1,882

How £330,000 is paid off over 25 years

£0k£50k£100k£150k£200k£250k£300k£350k0y5y10y15y20y25y
  • 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 £330,000 by term

  1. 20 years£171,058 (£2,088 a month)
  2. 25 years£220,275 (£1,834 a month)
  3. 30 years£271,942 (£1,672 a month)
  4. 35 years£325,935 (£1,562 a month)

A longer term lowers the monthly payment but adds interest. Stretching from 25 to 35 years saves £273 a month and costs £105,660 more overall.

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Questions people ask

What are the monthly payments on a £330,000 mortgage?

£1,834.25 a month on a 25 year repayment mortgage at 4.5%. At 4% it is £1,741.86 and at 5% it is £1,929.15. Interest only at 4.5% would be £1,237.50.

What salary do I need for a £330,000 mortgage?

At the usual 4.5 times income, about £73,333 for a single buyer or a joint household income. Some lenders go to 5 or 5.5 times, which would need around £60,000.

How much does overpaying a £330,000 mortgage save?

Paying £170 extra a month at 4.5% clears it about 3 years 7 months early and saves roughly £35,762 in interest. Check your lender's overpayment limit, often 10% a year on fixed deals.