A £400,000 mortgage is common for buyers purchasing in London, the South East, and other high-value areas. It typically requires a household income of at least £73,000 and a substantial deposit to secure competitive rates.
£400k Mortgage Monthly Repayments
Your monthly payment depends on the interest rate and term. Check what counts as a good rate and compare the best deals available today.
| Interest Rate | 25 Years | 30 Years | 35 Years |
|---|---|---|---|
| 3.5% | £2,002 | £1,796 | £1,653 |
| 4.0% | £2,112 | £1,910 | £1,771 |
| 4.5% | £2,224 | £2,027 | £1,895 |
| 5.0% | £2,339 | £2,148 | £2,021 |
| 5.5% | £2,457 | £2,271 | £2,149 |
At this loan size, even a small rate difference saves thousands. Overpaying £200/month could save over £40,000 in interest. A tracker mortgage may offer lower initial rates if you expect base rate cuts.
Salary Needed
Lenders assess affordability at 4–5.5× income. Joint applicants combine both salaries. Self-employed borrowers may access enhanced multiples with specialist lenders.
| Multiple | Salary |
|---|---|
| 4× | £100,000 |
| 4.5× | £88,889 |
| 5× | £80,000 |
| 5.5× | £72,727 |
Deposit, Stamp Duty & Fees
A 10% deposit on a £444k property is £44,400. Your LTV ratio determines which rate bands you qualify for.
First-time buyers pay no stamp duty up to £425,000. Home movers pay 5% on £250k–£925k. Budget for fees, conveyancing, and life insurance.
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Frequently Asked Questions
- How much is a £400k mortgage per month?
- At 4.5% over 25 years: ~£2,224/month. At 4.0%: ~£2,112. At 5.0%: ~£2,339.
- What salary do I need for a £400k mortgage?
- At 4× income: £100,000. At 5× income: £80,000. Joint applications combine both incomes.
Sources & References
- Mortgage calculator — MoneyHelper
- UK house price data — ONS
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