For a £500,000 house, you’ll need a minimum deposit of £25,000 (5%), though £50,000-£100,000 (10-20%) is strongly recommended at this price.

Deposit Options for £500K House

Deposit % Amount Mortgage Best Rate Tier
5% £25,000 £475,000 Higher rates (~5.5%)
10% £50,000 £450,000 Good rates (~4.5%)
15% £75,000 £425,000 Better rates (~4.2%)
20% £100,000 £400,000 Best rates (~4.0%)

Monthly Payments by Deposit Size

Deposit Mortgage Monthly Payment (25yr) Rate
5% (£25K) £475,000 £2,924 5.5%
10% (£50K) £450,000 £2,506 4.5%
15% (£75K) £425,000 £2,301 4.2%
20% (£100K) £400,000 £2,112 4.0%

A 20% deposit saves £812/month compared to 5%.

Total Upfront Costs

Cost 5% Deposit 10% Deposit 20% Deposit
Deposit £25,000 £50,000 £100,000
Stamp duty (FTB) £10,000 £10,000 £10,000
Stamp duty (mover) £15,000 £15,000 £15,000
Solicitor £2,400 £2,400 £2,400
Survey £800 £800 £800
Arrangement fee £999 £999 £999
FTB Total £39,199 £64,199 £114,199

Note: At £500,000, first-time buyer stamp duty relief is at its limit — no relief above this.

Income Required

Deposit % Mortgage Income Needed (4.5x)
5% £475,000 £105,556
10% £450,000 £100,000
15% £425,000 £94,444
20% £400,000 £88,889

High-Income Lending Options

Some lenders offer higher multiples for high earners:

Income 4.5x Multiple 5.5x Multiple (Professional)
£100,000 £450,000 £550,000
£120,000 £540,000 £660,000
£150,000 £675,000 £825,000

Professional mortgages (for doctors, lawyers, accountants etc.) may offer 5-5.5x income.

Lifetime Cost Comparison

Deposit Level 5% 10% 20%
Deposit paid £25,000 £50,000 £100,000
Total interest (25yr) £401,861 £301,579 £233,580
Total cost £901,861 £801,579 £733,580
Savings vs 5% £100,282 £168,281

Saving Strategies at This Level

Savings Method Annual Amount Time to £100K
Save £2,000/month £24,000 4.2 years
Save £2,500/month £30,000 3.3 years
Bonus + savings combo £40,000 2.5 years
Family gift (BOMAD) Varies Instant

Tip: Document any family gifts carefully — lenders require gift letters.

WealthVieu
Written by WealthVieu

WealthVieu researches and writes data-driven personal finance guides using primary sources including the IRS, Bureau of Labor Statistics, Federal Reserve, and Census Bureau.

The content on Wealthvieu is for informational purposes only and should not be considered financial, tax, or investment advice. Consult a qualified professional before making financial decisions. Full disclaimer · Editorial policy