First-Time Buyer Mortgages: A Complete UK Guide

Buying your first home is one of the biggest financial decisions you'll ever make. This guide covers everything UK first-time buyers need to know about mortgages, from saving your deposit to choosing the right product.

What Counts as a First-Time Buyer?

In the UK, a first-time buyer is someone who has never owned a property before—anywhere in the world. This status unlocks several benefits:

Stamp duty relief (no tax on properties up to £425,000)
Access to Lifetime ISA bonus for deposits
Eligibility for certain government schemes
Some lender-specific first-time buyer products

Joint Applications

If you're buying with someone who has previously owned property, you'll lose first-time buyer status and associated benefits.

How Much Deposit Do You Need?

The minimum deposit for most mortgages is 5% of the property value, though some lenders offer products with even lower deposits. However, the more you save, the better:

Deposit (LTV)	Typical Benefits
5% (95% LTV)	Minimum for most lenders, highest rates
10% (90% LTV)	Better rate selection, more lenders
15% (85% LTV)	Noticeably improved rates
20% (80% LTV)	Access to most competitive rates
25%+ (75% LTV)	Best available rates

LTV Sweet Spots

Mortgage rates improve at 5% LTV intervals. If you're at 87% LTV, saving a bit more to reach 85% could get you a better rate.

Saving for Your Deposit

Lifetime ISA (LISA)

The Lifetime ISA is the most powerful savings tool for first-time buyers:

Save up to £4,000 per year
Government adds 25% bonus (up to £1,000/year)
Must be 18-39 to open
Can use for homes up to £450,000
Must be open for 12 months before withdrawal

Other Deposit Sources

Lenders accept deposits from:

Personal savings
Gifted deposits (usually from family)
Inheritance
Redundancy payments
Sale of investments

Gifted Deposits

Gifted deposits require a signed letter confirming the money is a gift, not a loan, and the giver has no interest in the property.

Government Schemes for First-Time Buyers

First Homes Scheme

Offers new-build homes at 30-50% discount to first-time buyers and key workers. The discount stays with the property when you sell.

Shared Ownership

Buy a share of a property (25-75%) and pay rent on the rest. You can increase your share over time ("staircasing").

Right to Buy

If you're a council or housing association tenant, you may be able to buy your home at a significant discount.

Mortgage Guarantee Scheme

Government-backed scheme allowing lenders to offer 95% LTV mortgages with reduced risk, increasing availability of low-deposit mortgages.

Affordability: How Much Can You Borrow?

Lenders typically offer 4-4.5 times your annual income, though some may stretch to 5-5.5x for higher earners. They also assess:

Income Assessment

Basic salary
Guaranteed bonuses and commission
Overtime (usually averaged over 2 years)
Rental income
Investment returns

Outgoings Assessment

Existing debt payments
Credit card limits (even if unused)
Childcare costs
Living expenses
Other financial commitments

Stress Testing

Lenders must check you can afford payments if rates rise by 3% or more. This "stress test" determines your maximum borrowing.

Types of Mortgage

Fixed Rate

Your rate stays the same for a set period (usually 2-5 years). Good for budgeting certainty and protection against rate rises.

Tracker

Follows the Bank of England base rate plus a set margin. Payments go up and down with the base rate.

Standard Variable Rate (SVR)

The lender's default rate, usually higher than fixed or tracker rates. You'll move to this when your initial deal ends.

For a detailed comparison, see our understanding mortgage rates guide.

The Application Process

1. Agreement in Principle (AIP)

Get a preliminary indication of how much you can borrow. This involves a soft credit check and helps when making offers.

2. Full Application

Once your offer is accepted, submit your full application with:

Proof of income (payslips, P60, tax returns)
Bank statements (usually 3 months)
Proof of deposit source
Identification documents

3. Valuation

The lender values the property to ensure it's worth the purchase price and suitable security for the loan.

4. Underwriting

The lender's underwriters review your application in detail and may ask for additional documentation.

5. Mortgage Offer

If approved, you'll receive a formal mortgage offer, typically valid for 3-6 months.

Costs Beyond Your Deposit

Budget for these additional expenses:

Cost	Typical Amount
Stamp duty	£0 up to £425k (first-time buyer relief)
Solicitor/conveyancer	£1,000-£2,000
Survey	£300-£1,500
Mortgage arrangement fee	£0-£2,000
Valuation fee	Often free, or £150-£300
Moving costs	£500-£2,000

See our mortgage fees explained guide for more detail.

Tips for First-Time Buyers

Improve Your Credit Score

Register on the electoral roll
Pay bills on time
Reduce existing debt
Don't apply for new credit before your mortgage
Check your credit report for errors

Get Professional Help

Consider using a mortgage broker, especially as a first-time buyer. They can:

Access whole-of-market deals
Navigate complex situations
Handle the paperwork
Often free (paid by lender commission)

Don't Rush

Take time to:

Compare different lenders and products
Understand what you're signing up for
Consider your long-term plans
Build the largest deposit you can

Summary

First-time buyers in the UK have access to significant benefits, from stamp duty relief to the Lifetime ISA bonus. Focus on saving the largest deposit possible, understanding your affordability limits, and choosing the right mortgage type for your situation. A mortgage broker can be invaluable in navigating your options and finding the best deal.

Ready to see how overpayments could help you once you have your mortgage? Try our overpayment calculator.