£400,000 Mortgage Monthly Payment UK (2026 Calculator)

A £400,000 mortgage typically costs £2,224-£2,456 per month at current rates. Here’s the complete breakdown.

Monthly Payments by Interest Rate (25-Year Term)

Interest Rate Monthly Payment Total Interest Total Repaid
3.5% £2,003 £200,638 £600,638
4.0% £2,112 £233,489 £633,489
4.5% £2,224 £267,027 £667,027
5.0% £2,339 £301,527 £701,527
5.5% £2,456 £336,990 £736,990
6.0% £2,577 £373,414 £773,414

Monthly Payments by Term Length (at 5%)

Term Monthly Payment Total Interest Total Repaid
15 years £3,163 £169,546 £569,546
20 years £2,640 £233,356 £633,356
25 years £2,339 £301,527 £701,527
30 years £2,147 £372,905 £772,905
35 years £2,019 £446,764 £846,764

Income Required for £400K Mortgage

Lending Multiple Required Income Joint Income Option
4.0x £100,000 £50,000 + £50,000
4.5x £88,889 £44,444 + £44,444
5.0x (with good credit) £80,000 £40,000 + £40,000

Total Home Buying Costs

For a £400,000 home with 10% deposit (£360K mortgage):

Cost Amount
Deposit (10%) £40,000
Stamp duty (first-time buyer) £5,000
Stamp duty (home mover) £10,000
Solicitor fees £2,000
Survey £700
Mortgage arrangement fee £999
Moving costs £1,000
FTB total £49,699

Overpayment Impact

Monthly Overpayment Term Reduction Interest Saved
£250 4 years 4 months £60,230
£500 7 years 5 months £102,450
£750 9 years 6 months £132,780

Affordability Check

On a £95,000 salary (£5,215/month take-home):

Expense Amount % of Income
Mortgage (5%, 25yr) £2,339 45%
Council Tax £240 5%
Home insurance £85 2%
Utilities £260 5%
Housing total £2,924 56%

This leaves £2,291/month for other expenses.

Tags: