Mortgage Calculator for Self-Employed
Getting a mortgage as a freelancer or contractor is harder than it should be. See how much you could borrow, whether you'd pass the stress test, and get specific tips for self-employed applicants.
Illustrative rates · Not a mortgage offer
Your details
From your self-assessment
Lenders average 2-3 years. Leave 0 if first year
Full years of filed accounts
Credit cards, loans, car finance, etc.
Property details
Loan amount
£270,000
90% LTVMonthly payment
£1,501
2-year fixed (~4.5%)
After fixed period
£1,823
SVR (~6.5%)
Stress test
Fail
52.6% of income
How much could you borrow?
Based on your income of £47,500/year (average used by lenders).
Lenders will use the average of your last two years' net profit: £47,500/year.
Conservative (3×)
£142,500
High street lenders, stricter criteria
Need £127,500 more deposit
Moderate (4×)
£190,000
Most common for employed applicants
Need £80,000 more deposit
Optimistic (4.5×)
£213,750
Best case — specialist lenders, strong profile
Need £56,250 more deposit
Trading history: 3 years
Most lenders accept 3+ years of trading history. You have good options available.
Tips for self-employed mortgage applicants
- 1A larger deposit (15%+) significantly improves your rates and lender options as a self-employed applicant.
- 2Keep your SA302 tax calculations and tax year overviews — lenders always ask for these.
- 3Use a whole-of-market mortgage broker experienced with self-employed clients. They know which lenders are most flexible.
- 4Your affordability is tight at stress-test rates. Consider a longer mortgage term, larger deposit, or reducing existing commitments.
Save your results
Email yourself a copy of these calculations to refer back to later.
How this works
- Uses illustrative rates: 2-year fix ~4.5%, SVR ~6.5%, stress test 8%. Actual rates vary by lender and your profile.
- Income multiplier: most lenders offer 3-4.5× income for self-employed applicants. 4× is typical for 2+ years trading.
- Stress test: lenders check you can afford payments at a higher rate (typically 2-3% above your actual rate). Most require total commitments under 40-50% of income.
- Self-employed income is typically averaged over 2-3 years. Lenders may use the lower of the two years.
- This is an estimate only. Actual affordability depends on the specific lender's criteria, your credit score, and other factors.
Getting a mortgage when you're self-employed
What lenders want to see
- SA302 tax calculations — for the last 2-3 years (download from your HMRC online account)
- Tax year overviews — confirming your tax position with HMRC
- Certified accounts — prepared by a qualified accountant (for ltd companies)
- Bank statements — typically 3-6 months of business and personal accounts
- Proof of upcoming work — contracts, client pipeline (some lenders ask for this)
Common reasons for rejection
The most frequent reasons self-employed applicants are declined: insufficient trading history (under 2 years), income that dropped significantly year-on-year, high loan-to-value with variable income, and applying to the wrong lender. A broker who specialises in self-employed mortgages can steer you to lenders most likely to accept your profile.
The tax efficiency trap
Here's the catch-22 of being self-employed: the more tax-efficient you are (claiming expenses, keeping profits in the company), the lower your declared income — and the less you can borrow. If you're planning to apply for a mortgage in the next 1-2 years, discuss the trade-off between tax efficiency and borrowing power with your accountant.
This calculator uses illustrative rates and income multipliers. Actual mortgage offers depend on the lender's criteria, your credit score, and current market conditions. Always speak to a qualified mortgage advisor for personalised advice.