Self-employed mortgage borrowing: How much can you get?

Self-employed mortgage borrowing can feel harder to estimate than employed borrowing, mainly because lenders do not look at income in quite the same way.

If you’re employed, a lender usually starts with your basic salary. If you’re self-employed, they may look at net profit, salary, dividends, retained profit, contracts, accounts, tax calculations or a mix of these depending on how your business is set up.

That means your self-employed borrowing power is not based on turnover alone. It depends on what income you can prove, how stable that income looks, your deposit, monthly commitments, credit history and the lender’s own criteria.

What affects self-employed mortgage borrowing?

Most lenders want to understand two things: how much you earn and how affordable the mortgage is likely to be.

Here are the main factors that can affect your borrowing amount:

Factor	Why it matters
Income evidence	Lenders need to see what income they can use for affordability.
Business structure	Sole traders, partners, contractors and company directors can be assessed differently.
Deposit size	A bigger deposit can reduce lender risk and improve options.
Loan-to-value	Lower loan-to-value mortgages may open up more lender choices.
Debts and commitments	Loans, credit cards and car finance can reduce borrowing.
Dependants	Children or other dependants can affect affordability calculations.
Credit history	Missed payments, defaults or CCJs can limit lender options.
Joint application	A second income can improve affordability, but both incomes need to be assessed.

A simple income multiple can give a rough starting point, but it should not be treated as a guaranteed borrowing figure.

How lenders assess self-employed income

Lenders usually focus on provable income rather than business revenue.

For example, if your business turns over £90,000 but your net profit is £40,000, the lender is more likely to focus on the £40,000 figure. Turnover shows business activity, but profit is closer to what you actually earn.

How your income is assessed depends on your setup:

Business type	Income lenders may look at
Sole trader	Net profit, usually from tax calculations and accounts
Partnership	Your share of partnership profit
Limited company director	Salary, dividends and sometimes retained profit
Contractor	Day rate, contract history, accounts or payslips, depending on the lender

If you’re unsure what figure a lender would use, it’s worth reading more about how lenders calculate self-employed income before relying too heavily on a calculator.

Income multiples: useful, but not guaranteed

You may see examples using 4 to 4.5 times income as a rough guide. Some lenders may go higher in certain cases, while others may be more cautious.

For example, a sole trader with £40,000 net profit might assume a rough borrowing range based on income multiples:

Income used	Example multiple	Rough borrowing estimate
£40,000	4x	£160,000
£40,000	4.5x	£180,000
£40,000	5x	£200,000

These figures are only examples. The actual amount could be lower or higher depending on deposit, debts, credit profile, household costs and lender criteria.

This is why self-employed mortgage affordability is not just about what you earn. It is about what the lender believes you can comfortably repay.

How deposit size affects borrowing options

Your deposit affects the loan-to-value, often shortened to LTV. This is the percentage of the property price you need to borrow.

For example:

Property price	Deposit	Mortgage needed	Loan-to-value
£250,000	£25,000	£225,000	90%
£250,000	£50,000	£200,000	80%
£250,000	£75,000	£175,000	70%

A larger deposit does not automatically mean a lender will let you borrow more based on income. However, it can improve your choice of lenders and deals because the mortgage is lower risk.

For self-employed applicants, that can matter. If your income is more complex, having a stronger deposit may give you more room to work with.

Why debts, dependants and spending matter

Two self-employed applicants with the same income may not be able to borrow the same amount.

For example, one person earning £50,000 with no debts and no dependants may be assessed differently from someone earning £50,000 with car finance, credit card balances and childcare costs.

Lenders may factor in:

• Personal loans
• Credit cards
• Car finance
• Childcare costs
• Maintenance payments
• School fees
• Other regular financial commitments

This can reduce your self-employed borrowing power because the lender is checking whether the mortgage is affordable alongside your existing costs.

Self-employed mortgage borrowing examples

1. Sole trader earning £40,000 net profit

A sole trader with £40,000 net profit may be assessed on that figure rather than turnover. If they have a clean credit history, low debts and a reasonable deposit, they may have a good range of lender options.

But if the same applicant has large monthly commitments, their borrowing could be reduced even though the income is the same.

2. Limited company director taking salary and dividends

A company director might take a £12,000 salary and £35,000 in dividends. Some lenders may use salary and dividends. Others may also consider retained profit, depending on the company accounts and lender policy.

This is where a limited company director mortgage can become more nuanced. The same business could produce different borrowing results with different lenders.

3. Joint application with one employed and one self-employed applicant

A joint application can help if one person is employed and the other is self-employed.

For example, if one applicant earns a £38,000 salary and the other has £32,000 self-employed income, a lender may assess the combined income. However, the self-employed income still needs to be evidenced properly.

A joint application does not remove the need for clear accounts, tax calculations or income proof.

Why different lenders may give different answers

Self-employed applicants often get different borrowing figures from different lenders because criteria vary.

One lender might be comfortable with one year’s accounts. Another may want two or three years. One lender may average income over recent years, while another may use the latest year if income is rising.

Lenders can also differ on:

• Recently increased profits
• Salary and dividends
• Retained company profit
• Contractor income
• Short trading history
• Complex business structures
• Credit commitments
• Past credit issues

So, if one lender gives a lower figure than expected, it does not always mean every lender will take the same view.

Using a self-employed mortgage calculator

A calculator can be a useful starting point if you want a rough idea of how much you may be able to borrow.

It can help you estimate borrowing based on income, deposit and basic affordability assumptions. This is useful before viewing properties, setting a budget or deciding whether to speak to a broker.

For a rough starting point, try our self-employed mortgage calculator to estimate how much you may be able to borrow based on your income and deposit.

Just remember that a calculator is not a lender decision. It cannot fully account for every lender’s criteria, your documents, your business structure or the way your income will be assessed.

When to get mortgage advice

Mortgage advice can be useful if your income is not straightforward or you want to understand your realistic options before applying.

This may be worth considering if:

• You only have one year’s accounts
• Your income has recently increased
• Your income has recently dropped
• You’re a limited company director
• You leave profit in the business
• You’re applying jointly
• You have debts or credit issues
• You want to compare lender approaches

A broker can help sense-check your self-employed mortgage affordability, identify lenders that are more likely to understand your income, and avoid applications that are unlikely to fit.

For more tailored help, you can read more about self-employed mortgages and how the application process works.