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How much deposit do I need as a first-time buyer?

In the UK, lenders typically require a minimum 5% deposit of the property’s value, but many advisers recommend aiming for around 10% to secure better mortgage deals and lower interest rates. Larger deposits can improve your options and rates. Saving plans, budgeting and government help like a Lifetime ISA can make reaching your deposit goal easier.

For most first time buyers, the biggest barrier isn’t finding the perfect home, it’s saving the deposit.

Let’s follow Emma, a 29 year old first time buyer from Manchester. She worked out how much she needed to save, built her deposit and finally bought her dream home.

Step 1: Understanding what lenders want

When Emma first started browsing property listings, she quickly realised she needed to understand how deposits work.

Most lenders in England will accept a minimum deposit of 5% of the property value. For Emma’s £200,000 home, that would be £10,000.

However, mortgage brokers often recommend aiming for around 10%, about £20,000 in Emma’s case, to access a wider choice of mortgage deals and better interest rates.

Step 2: Saving for the deposit

This is the toughest but most rewarding part of any homeowner’s journey.

1. Setting a savings goal

Emma decided to save £20,000 over 18 months. That meant putting aside about £1,100 per month when including bonuses and some side income.

To make it less intimidating, she broke it down further:

  • £250 per week or
  • £36 per day (roughly the cost of a night out or a takeaway).

2. Building a realistic budget

Emma started by tracking her spending using a budgeting app. Within the first month, she realised she was spending nearly £250 a month on food deliveries and coffee.

She made small lifestyle swaps:

  • Cooked at home and prepped lunches for work.
  • Cancelled unused subscriptions (saving £40/month).
  • Moved to a SIM only mobile plan (saving £25/month).
  • Shared streaming services with her sister.

In total, she freed up about £400 a month, which she redirected straight into her deposit fund.

3. Using a Lifetime ISA

Emma opened a Lifetime ISA (LISA). A government savings account that gives you a 25% bonus on what you save, up to £4,000 per year.

Here’s how it helped:

  • She deposited £4,000 each tax year.
  • The government added £1,000 in bonuses annually.
  • Over two years, that’s £2,000 in free money toward her deposit.
  • This meant Emma only needed to personally save £18,000 to hit her £20,000 goal.

4. Side hustles and extra income

To boost her savings, Emma picked up freelance social media work on weekends. Even earning an extra £300 per month added up to £4,000 over the year.

She also sold old clothes and furniture online, earning another £600.

5. Keeping her money safe and separate

Emma opened a dedicated house fund savings account with a high interest rate and automated her transfers right after payday.

Check out our blog for practical tips on how to boost your deposit.

Step 3: Reaching the goal

After 18 months, Emma had hit her £20,000 target. £18,000 from her own savings and £2,000 from government bonuses.

Source Amount Saved
Monthly savings £14,400
Freelance work & side income £3,600
Lifetime ISA bonus £2,000
Total deposit £20,000

When she finally transferred that deposit to her solicitor, it felt like all her hard work had paid off.

Step 4: Buying the home

With a 10% deposit ready, Emma’s mortgage application was smooth. She secured a lower interest rate, which saved her about £120 per month compared with a 5% deposit deal.

Within weeks, they accepted her offer on a charming two-bedroom terrace, her very first home.

Lessons for first time buyers

  • Aim for 10% if you can. It gives you better mortgage options.
  • Break big goals into small targets to stay motivated.
  • Use government schemes like the Lifetime ISA to boost your savings.
  • Automate your savings and treat them like a monthly bill.
  • Don’t be afraid to look for extra income through side work or selling unwanted items.

Listing with properties under £200,000

  • Development: Ashlar Village
  • Developer: Bellway
  • Address: Bilsland Drive, Glasgow, G20
External image of apartments at Ashlar Village in Glasgow by Bellway
2 bedroom apartments at Ashlar Village in Glasgow - Bellway

  • Development: Bluebell Court
  • Developer: Gleeson
  • Address: East Street, Goldthorpe, South Yorkshire, S63 9JP
Detached family homes at Bluebell Court in Goldthorpe, South Yorkshire
Spacious family homes at Bluebell Court by Gleeson

  • Development: Artemis View
  • Developer: Bovis Homes
  • Address: Nash Road, Margate, Kent, CT9
External image semi detached homes at Artemis View with Bovis Homes
Shared ownership 3 bedroom homes at Artemis View

Check out some of our other helpful resources:

Ways to improve your credit score

What is a mortgage?

What bills do I need to pay when I own a house?


Please note that Emma is a fictional character and this article is provided for general informational purposes only.

Disclaimer

newhomesforsale.co.uk is an information platform and not a financial advisor, mortgage broker or mortgage lender. Always get financial advice before making significant decisions about your money, mortgages and buying a house.

Publish date 20th October, 2025
Reading time: 5 minutes
Written by Heather Bowles

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deposit first time buyer finance first homes mortgages savings