How to Save for a House Deposit UK — Complete Guide

Saving for a house deposit is the biggest financial challenge for most first-time buyers. Here’s how to reach your goal.

How Much Do You Need?

Deposit Requirements

Deposit Size	Typical LTV	What It Means
5%	95%	Minimum for most lenders
10%	90%	Better rates available
15%	85%	Good range of options
20%	80%	Best mainstream rates
25%+	75% or less	Premium rates

Real Numbers by House Price

House Price	5% Deposit	10% Deposit	15% Deposit
£150,000	£7,500	£15,000	£22,500
£200,000	£10,000	£20,000	£30,000
£250,000	£12,500	£25,000	£37,500
£300,000	£15,000	£30,000	£45,000
£350,000	£17,500	£35,000	£52,500

Additional Costs

Cost	Typical Amount
Stamp duty	£0-£12,500 (FTB relief available)
Solicitor fees	£1,000-£1,500
Survey	£300-£600
Mortgage fees	£0-£1,500
Moving costs	£500-£2,000
Total extras	£2,000-£15,000

Best Accounts for Deposit Saving

Lifetime ISA (LISA)

Feature	Details
Government bonus	25% on contributions
Maximum contribution	£4,000/year
Maximum bonus	£1,000/year
Age limit	18-39 to open
Property limit	Up to £450,000
Withdrawal penalty	25% if not for property/retirement

LISA Example

Years Saving	Your Contributions	Government Bonus	Total
1	£4,000	£1,000	£5,000
2	£8,000	£2,000	£10,000
3	£12,000	£3,000	£15,000
4	£16,000	£4,000	£20,000
5	£20,000	£5,000	£25,000

Other Savings Options

Account Type	Best For	Typical Rate
Regular saver	Monthly deposits	5-7% (limited)
Easy access ISA	Flexibility	4-5%
Fixed-rate bond	Definite timeline	4.5-5.5%
Notice account	Slight restriction	4.5-5%
Premium Bonds	Tax-free, safe	~4% average

Recommended Combination

Account	Purpose	Amount
Lifetime ISA	Long-term deposit	£333/month max
Regular saver	Bonus interest	Up to limit
Easy access	Emergency fund	3 months expenses
Easy access	Surplus savings	Remainder

Saving Strategies

The Fundamentals

Strategy	Potential Saving
Automate savings	Prevents spending
Pay yourself first	Saves before spending
Track spending	Find waste
Budget properly	Know your numbers

Major Cost Cuts

Expense	Potential Monthly Saving
Live with parents	£500-£1,500
House share vs solo rent	£200-£500
Move to cheaper area	£200-£400
Downsize current place	£100-£300
Give up car	£200-£400

Smaller Wins

Change	Monthly Saving
Cook at home	£100-£200
Cancel unused subscriptions	£20-£50
Switch energy/insurance	£30-£50
Reduce takeaways	£50-£100
Cheaper phone contract	£20-£30

Increasing Income

Method	Potential Extra
Overtime	Varies
Side hustle	£200-£500/month
Sell unused items	One-off £500-£2,000
Rent spare room	£400-£700/month
Career progression	Long-term gains

Timeline Planning

Realistic Timelines

Monthly Saving	Time to £25,000	Time to £40,000
£300	7 years	11 years
£500	4 years	6.5 years
£750	2.8 years	4.5 years
£1,000	2 years	3.3 years
£1,500	1.4 years	2.2 years

Assumes LISA bonus on first £4,000/year

Setting Your Target

Step	Action
1	Research house prices in target area
2	Decide deposit percentage (10-15% ideal)
3	Add £5,000-£10,000 for other costs
4	Set realistic timeline
5	Calculate monthly saving needed

Government Schemes

Help for First-Time Buyers

Scheme	How It Helps
Lifetime ISA	25% bonus on savings
Shared Ownership	Buy 25-75% of property
First Homes	30-50% discount on new builds
Forces Help to Buy	For armed forces
Stamp Duty Relief	No stamp duty under £425,000

Shared Ownership Benefits

Feature	Details
Deposit needed	5-10% of share bought
Example	25% of £300,000 = £75,000 share
Deposit on share	£3,750-£7,500
You pay rent on	Remainder (75%)
Can buy more	“Staircasing” up to 100%

Getting Help from Family

Family Support Options

Method	How It Works
Gifted deposit	Parents give money
Family loan	Informal borrowing
Guarantor mortgage	Family provides security
Joint borrower sole proprietor	Parents on mortgage, not deed
Family springboard	Parents’ savings as security

Gifted Deposits

Consideration	Details
Documentation	Lenders need gift letter
Tax implications	Usually none (PET rules)
Relationship proof	May be requested
Repayment expectation	Must be genuine gift

Protecting Your Savings

Keep Your Deposit Safe

Rule	Why
Don’t invest deposit	Risk of loss
Use FSCS-protected accounts	£85,000 per institution
Spread large amounts	Across different banks
Don’t touch it	Maintain discipline

Build Emergency Fund First

Priority	Amount
Emergency fund	3 months expenses
Then deposit saving	Everything else

Common Mistakes

What to Avoid

Mistake	Why It’s a Problem
Not using LISA	Missing 25% free money
Investing deposit	Risk losing it
No emergency fund	May need to raid deposit
Underestimating costs	Surprised by fees
Saving inconsistently	Slower progress

Summary: Deposit Saving Checklist

Getting Started

Action	Done
Open Lifetime ISA	☐
Set up automatic transfers	☐
Build emergency fund	☐
Calculate target amount	☐
Set timeline	☐

Maximise Savings

Action	Done
Max out LISA (£333/month)	☐
Cut major expenses	☐
Consider increasing income	☐
Review and adjust monthly	☐

Before You Buy

Check	Done
Deposit reaches target	☐
Extra costs covered	☐
Emergency fund intact	☐
Mortgage in principle obtained	☐

Saving for a deposit takes time and discipline. Use the Lifetime ISA for the 25% bonus, automate your savings, and stay focused on your goal. Every pound saved now means lower mortgage payments for decades.