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How Much Would a £250,000 Mortgage Cost Per Month?

See exactly what a £250,000 mortgage costs monthly at current UK rates. Worked examples for different terms and interest rates, plus total interest paid.

A £250,000 mortgage at 4.5% interest over 25 years would cost approximately £1,390 per month. Over the full term you would repay around £416,900 — meaning roughly £166,900 in interest on top of the original loan.

Use our Mortgage Calculator to plug in your exact rate and term and see your personal monthly figure.


Worked Example

Mortgage details:

  • Loan amount: £250,000
  • Interest rate: 4.5% per year
  • Term: 25 years (300 monthly payments)

Monthly payment: £1,390

Total repaid over 25 years: £416,900

  • Capital: £250,000
  • Interest: £166,900

How Different Rates Change Your Payment

At £250,000, even half a percentage point makes a significant difference to your monthly outgoing.

Interest rateMonthly payment (25 years)Total interest paid
3.5%£1,253£125,750
4.0%£1,320£145,830
4.5%£1,390£166,900
5.0%£1,462£188,550
5.5%£1,536£210,790

The jump from 3.5% to 5.5% adds £283 per month and costs an extra £85,040 in total interest over 25 years.


Term Length Comparison

Choosing a shorter term increases your monthly payment but saves a substantial amount in interest.

TermMonthly payment (4.5%)Total interest paid
20 years£1,582£129,630
25 years£1,390£166,900
30 years£1,267£206,060
35 years£1,190£249,630

Cutting from 30 to 20 years costs an extra £315 per month but saves over £76,000 in interest.


What Salary Do You Need?

UK lenders typically offer 4 to 4.5 times your annual income. For a £250,000 mortgage you would generally need a household income of at least £55,000 to £62,500, though affordability checks also factor in your existing debts and monthly outgoings.