Understanding How Much You Can Borrow
One of the first questions most homebuyers ask is: “How much can I borrow on a mortgage?”
Whether you’re buying your first home, moving up the property ladder, or investing in a buy-to-let, knowing your maximum borrowing power is essential. Mortgage lenders in the UK calculate this using your income, outgoings, credit history, and the type of mortgage you apply for.
Recent changes in lending criteria mean some buyers can borrow more than ever before — including first-time buyers borrowing up to 6 times their annual income, and high earners over £50,000 often eligible for 5.5× income.
In this guide, we’ll explain exactly how lenders calculate your borrowing, the factors that can increase it, and how to maximise your chances of approval.
How Lenders Calculate Your Mortgage Borrowing
Traditionally, UK mortgage lenders offered between 4 and 4.5 times your annual income. However, since 2024, some banks and building societies have relaxed criteria, particularly for certain groups of borrowers.
Lenders now base your loan amount on:
- Your gross annual income (basic salary + regular bonuses/commission)
- Your outgoings (credit cards, loans, childcare, etc.)
- Your credit score
- Your deposit size
- Your job type and contract
They also stress-test your finances to ensure you could afford repayments if interest rates rise.
Borrowing for First-Time Buyers – Up to 6× Income
If you’re a first-time buyer with a strong credit history, you could now access mortgages worth up to 6× your annual income.
Example:
- Annual income: £40,000
- 6× multiplier: £240,000 maximum mortgage
This can make a huge difference in areas where property prices are high, allowing first-time buyers to get on the ladder sooner.
Why lenders offer this:
- First-time buyers often have fewer existing debts
- Government schemes such as First Homes or shared ownership can reduce risk
- Competition among lenders for first-time buyer business is strong
High Earners – 5.5× Income
If you earn over £50,000 a year, some lenders will offer 5.5× your income, even if you’re not a first-time buyer.
Example:
- Annual income: £60,000
- 5.5× multiplier: £330,000 maximum mortgage
This can be particularly beneficial for professionals in London, Brighton, and other high-cost areas where property prices often exceed average lending limits.
Standard Borrowing Multiples
While 6× and 5.5× options are available, not everyone will qualify. The typical UK range remains:
- 4× income – common for borrowers with average credit scores or higher debt
- 4.5× income – standard for borrowers with good credit and stable employment
How Your Deposit Affects How Much You Can Borrow
The bigger your deposit, the more attractive you are to lenders. Not only does it lower your Loan-to-Value (LTV) ratio, but it can also mean access to higher borrowing multiples.
Example:
- 10% deposit – lender may offer up to 4.5× income
- 20% deposit – lender may offer 5× income
- 25%+ deposit – greater chance of 5.5× or 6× income
Other Factors That Can Increase Your Borrowing Power
1. Joint Applications
Two incomes are better than one. Applying with a partner can increase your borrowing limit significantly.
2. Low Debt Levels
Having minimal credit card balances, personal loans, or car finance means more of your income is available for mortgage repayments.
3. Stable Employment
Long-term employment or a permanent contract can reassure lenders of your ability to repay.
4. Strong Credit History
A good credit score can be the difference between 4.5× and 6× income offers.
Example Mortgage Borrowing Scenarios (2025)
| Annual Income | Income Multiple | Max Mortgage | Notes |
|---|---|---|---|
| £40,000 (First-time buyer) | 6× | £240,000 | Good credit, low debt, 15% deposit |
| £55,000 (High earner) | 5.5× | £302,500 | Stable employment, 20% deposit |
| £35,000 | 4.5× | £157,500 | Average credit, 10% deposit |
| £70,000 joint income | 5× | £350,000 | Strong credit, low debt |
How to Maximise Your Mortgage Borrowing
- Improve Your Credit Score – Pay bills on time, reduce credit card balances, and avoid new credit applications before you apply.
- Reduce Debt – Lenders subtract monthly debt payments from your affordability calculation.
- Increase Your Deposit – Even an extra 5% can boost your borrowing multiple.
- Use a Mortgage Broker – A whole-of-market broker like Everest Mortgages can match you to lenders offering the highest multiples for your circumstances.
- Consider Specialist Lenders – Not all banks advertise their 5.5× or 6× income products publicly.
FAQ – How Much Can I Borrow on a Mortgage?
1. Can everyone get 6× income mortgages?
No — these are typically for first-time buyers with strong credit, low debt, and stable jobs.
2. Do self-employed borrowers qualify for high multiples?
Yes, but you’ll need 2–3 years of accounts and proof of consistent earnings.
3. How do lenders check affordability?
They look at your income, expenses, debts, and run a stress test to see if you can afford repayments at higher interest rates.
4. Can bonuses and overtime be included?
Many lenders will include a percentage of variable income if it’s consistent.
5. Does location matter?
Some lenders have regional criteria, but the main factor is your affordability, not where you live.
Why Speak to Everest Mortgages
At Everest Mortgages, we work with a wide range of UK lenders — including those offering up to 6× income for first-time buyers and 5.5× for high earners.
We:
- Compare dozens of lenders for the best deal
- Access exclusive high-income multiple mortgage products
- Guide you through the application process
- Handle paperwork and lender communication
📞 Ready to find out your maximum mortgage amount?
Call us today on 01273 007740 or visit Everest-Mortgages.co.uk for a free, no-obligation consultation.
