Answers · UK 2025/26
How much are mortgage repayments on a £450,000 mortgage in the UK?
A £450,000 repayment mortgage at 4.5% over 25 years costs approximately £2,501/month (£750,374 total). At 5%, monthly payments rise to about £2,631 (£789,197 total). Interest-only at 4.5% costs £1,688/month, but the £450,000 capital is still owed at the end.
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For a £450,000 capital-and-interest repayment mortgage in the UK, monthly payments depend on rate and term. 25-year term: 4.0% £2,375/month (£712,580 total); 4.5% £2,501/month (£750,374); 5.0% £2,631/month (£789,197); 5.5% £2,763/month (£829,018); 6.0% £2,899/month (£869,807). 30-year term: 4.0% £2,148/month (£773,413); 4.5% £2,280/month (£820,830); 5.0% £2,416/month (£869,651); 6.0% £2,698/month (£971,272). Interest-only at 4.5%: £1,688/month, with the full £450,000 owed at the end. At this borrowing level, gross household income of roughly £100,000 to £113,000 is typically expected under standard 4-4.5x income multiples. A 10% deposit on a £500,000 property (90% LTV) is possible at many lenders, though rates and product choice improve with a larger deposit. Use the mortgage calculator to compare rates, terms and overpayment scenarios.
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This answer is informational only and does not constitute financial, tax or legal advice. Figures are for the 2025/26 UK tax year. See our methodology and sources.