Mortgage Repayments
Mortgage Repayments on £300,000 Over 25 Years
Monthly repayments on a £300,000 UK mortgage over 25 years at a representative 4.5% interest rate are £1,667.50. Total cost over the term: £500,249.23, of which £200,249.23 is interest.
Monthly
£1,667.50
Total paid
£500,249.23
Interest
£200,249.23
Monthly Payment at Different Rates
UK mortgage rates change frequently. See how the monthly cost varies at typical fixed-rate levels:
| Interest rate | Monthly | Total cost | Total interest |
|---|---|---|---|
| 3.50% | £1,501.87 | £450,561.21 | £150,561.21 |
| 4.00% | £1,583.51 | £475,053.16 | £175,053.16 |
| 4.50% | £1,667.50 | £500,249.23 | £200,249.23 |
| 5.00% | £1,753.77 | £526,131.04 | £226,131.04 |
| 5.50% | £1,842.26 | £552,678.74 | £252,678.74 |
| 6.00% | £1,932.90 | £579,871.26 | £279,871.26 |
Highlighted: representative current rate (4.5%). Your actual rate depends on LTV, credit score, term and lender.
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FAQs
How much is the monthly payment on a £300,000 mortgage over 25 years?
Monthly repayments on £300,000 over 25 years at a representative 4.5% interest rate are £1,667.50. Over the full term you would pay £500,249.23, of which £200,249.23 is interest.
How much interest do I pay in total?
On a £300,000 mortgage over 25 years at 4.5%, total interest comes to £200,249.23 — that's 66.7% of the original loan amount on top.
Can I overpay to reduce interest?
Yes — most UK mortgages allow overpayments of 10% per year without early-repayment charges. Even small regular overpayments can save thousands. For example, paying £200 extra per month on this mortgage could shorten the term by several years.
What deposit would I need for a £300,000 mortgage?
Most UK lenders require at least 5% deposit (95% LTV). A 10% deposit (90% LTV) typically unlocks better rates. For a property where the mortgage is £300,000, you'd need roughly £15,789 (5% deposit) to £33,333 (10% deposit) on top.
Related
Disclaimer: Repayment figures assume an interest-only flat rate over the term. Your actual mortgage may include rate changes (after fixed period), product fees, and varying overpayments. Always get a Decision in Principle from a lender or broker for exact figures.