Mortgages & Property
How Much Deposit Do I Need to Buy a House? UK 2026 Guide
Find out how much deposit you need to buy a house in the UK. Learn about minimum deposits, how deposit size affects rates, and tips for saving.
Your deposit size significantly affects what you can borrow, your interest rate, and your monthly payments. Here’s everything you need to know about house deposits in 2026.
Minimum Deposit Requirements
Residential Mortgages
| Deposit Size |
LTV |
Availability |
Typical Rate |
| 5% |
95% |
Limited lenders |
Highest rates |
| 10% |
90% |
Most lenders |
High rates |
| 15% |
85% |
All lenders |
Better rates |
| 20% |
80% |
All lenders |
Good rates |
| 25% |
75% |
All lenders |
Best rates |
| 40%+ |
60% |
All lenders |
Lowest rates |
Buy-to-Let Mortgages
| Deposit Size |
LTV |
Availability |
| 25% |
75% |
Minimum required |
| 40% |
60% |
Better rates |
| 50%+ |
50% |
Best rates |
How Deposit Size Affects Your Rate
Example: £250,000 House Purchase
| Deposit |
Deposit Amount |
LTV |
Typical Rate |
Monthly Payment* |
| 5% |
£12,500 |
95% |
5.5% |
£1,348 |
| 10% |
£25,000 |
90% |
4.8% |
£1,216 |
| 15% |
£37,500 |
85% |
4.4% |
£1,146 |
| 20% |
£50,000 |
80% |
4.2% |
£1,076 |
| 25% |
£62,500 |
75% |
3.9% |
£1,005 |
*25-year repayment mortgage, rates illustrative for 2026
Total Cost Over Mortgage Term
| Deposit |
Loan Amount |
Rate |
Total Repaid |
Interest Paid |
| 5% |
£237,500 |
5.5% |
£404,400 |
£166,900 |
| 10% |
£225,000 |
4.8% |
£364,800 |
£139,800 |
| 15% |
£212,500 |
4.4% |
£343,800 |
£131,300 |
| 20% |
£200,000 |
4.2% |
£322,800 |
£122,800 |
| 25% |
£187,500 |
3.9% |
£301,500 |
£114,000 |
Difference between 5% and 25% deposit: £52,900 less interest over the term.
Deposit by Property Type
Different Requirements
| Property Type |
Minimum Deposit |
Recommended |
| Standard house |
5% |
10-15% |
| New build house |
5-10% |
15%+ |
| New build flat |
10-15% |
20%+ |
| Ex-council |
5-10% |
15%+ |
| Non-standard construction |
15-25% |
25%+ |
| Listed building |
10-15% |
20%+ |
New Builds Require More
Lenders are cautious with new builds because:
- Initial value may drop (new build premium)
- Build quality uncertain
- Developer incentives can distort value
First-Time Buyer Options
Standard 5% Deposit Mortgages
Available from most major lenders:
- Barclays
- NatWest
- Nationwide
- Halifax
- Santander
Help to Buy Alternatives
With Help to Buy closed, consider:
| Scheme |
What It Offers |
| Lifetime ISA |
25% bonus on savings up to £4,000/year |
| Shared Ownership |
Buy 25-75% initially |
| First Homes |
30-50% discount for local first-timers |
| Rent to Buy |
Rent at reduced rate while saving |
Lifetime ISA (LISA)
| Feature |
Details |
| Annual limit |
£4,000 |
| Government bonus |
25% (£1,000 max/year) |
| Total by age 50 |
£33,000 contribution + £8,250 bonus |
| Property limit |
£450,000 |
| Penalty if not used for property |
25% on withdrawals |
Example: Save £4,000/year for 5 years = £20,000 + £5,000 bonus = £25,000 deposit.
Where Your Deposit Can Come From
Acceptable Sources
| Source |
Accepted? |
Evidence Needed |
| Personal savings |
Yes |
Bank statements |
| Gift from family |
Yes |
Gift letter + their bank statements |
| Inheritance |
Yes |
Probate documentation |
| Sale of another property |
Yes |
Completion statement |
| Lifetime ISA |
Yes |
LISA statements |
| Bonus at work |
Yes |
Payslip showing bonus |
| Savings from salary |
Yes |
Bank statement trail |
Unacceptable Sources
| Source |
Generally Not Accepted |
| Borrowed money (loan) |
No — it’s debt, not deposit |
| Credit card advances |
No |
| Gambling winnings |
Rarely without extensive documentation |
| Cryptocurrency (sometimes) |
Varies by lender |
| Unknown cash sources |
Must be traceable |
Gifted Deposits
Most lenders accept gifts from immediate family:
| Requirement |
Details |
| Gift letter |
Confirming it’s a gift, not a loan |
| No repayment |
Must not need to be repaid |
| Donor ID |
Proof of identity |
| Fund source |
Origin of donor’s money |
| Common donors |
Parents, grandparents |
Template requirements for gift letter:
- Donor’s full name and address
- Confirmation amount is a gift
- Statement no repayment expected
- Donor’s signature
- Usually witnessed
How to Save a Deposit Faster
Monthly Savings Target
| Property Price |
5% Deposit |
Save Over |
| £150,000 |
£7,500 |
3 years @ £208/month |
| £200,000 |
£10,000 |
3 years @ £278/month |
| £250,000 |
£12,500 |
3 years @ £347/month |
| £300,000 |
£15,000 |
3 years @ £417/month |
| £400,000 |
£20,000 |
4 years @ £417/month |
Best Savings Strategies
| Strategy |
Effect |
| LISA |
25% free bonus |
| Regular saver accounts |
5-7% interest |
| Cut unnecessary spending |
Faster saving |
| Increase income |
Side jobs, overtime |
| Live with parents |
Save on rent |
| Government schemes |
Additional support |
What to Save In
| Account Type |
Best For |
| Lifetime ISA |
1+ years until purchase |
| Regular saver |
Disciplined monthly saving |
| Easy access saver |
Short-term, flexibility needed |
| Cash ISA |
Tax-free growth |
| Fixed rate bond |
Guaranteed sum, fixed date |
Don’t Forget Other Costs
Your deposit isn’t your only expense. Budget for:
| Cost |
Typical Amount |
| Stamp duty (if applicable) |
Varies (none for FTBs under £425,000) |
| Solicitor fees |
£1,000-£2,000 |
| Survey |
£250-£1,500 |
| Mortgage fees |
£0-£2,000 |
| Moving costs |
£300-£2,000 |
| Furnishing |
Variable |
| Initial repairs |
Variable |
Rule of thumb: Budget deposit + £3,000-5,000 for other buying costs.
Deposit Size Decision
When 5% Makes Sense
✅ First-time buyer wanting to get on ladder
✅ Confident income will increase
✅ Plan to overpay or remortgage to lower LTV
✅ Market conditions favour buyers
When to Save More
✅ Can wait 1-2 years to save more
✅ Want lower monthly payments
✅ Prefer financial security
✅ Buying new build (often need 10-15% anyway)
Key Takeaways
| Point |
Detail |
| Minimum |
5% for most, 10-15% for some properties |
| Ideal |
10-15% balances rate vs waiting time |
| Best rates |
25%+ deposit |
| Buy-to-let |
25% minimum |
| First-time buyers |
Use LISA for 25% bonus |
| Don’t forget |
Other buying costs need budget too |
Your home may be repossessed if you do not keep up repayments on your mortgage. PocketWise provides information and guidance — we do not offer financial advice. Seek independent mortgage advice before making decisions about borrowing.
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