Wondering what kind of property you can afford? Whether you’re a first-time buyer, home mover, or contractor, our Mortgage Borrowing Calculator gives you a quick estimate of how much lenders may be willing to offer you.
Every lender uses different criteria, but this tool gives you a solid idea of your borrowing power before you start house-hunting or applying for an Agreement in Principle.
Get an instant estimate of your mortgage borrowing potential
First-Time Buyers
Josh and Ellie earn £30,000 and £28,000 with no debts. The calculator shows a max borrowing of around £260,000, depending on the lender. They now know their budget before booking viewings.
Simran earns £400/day as an IT contractor. The calculator converts this to an annualised income of £96,000 — unlocking borrowing of up to £430,000 with the right lender.
Self-Employed with One Year’s Accounts
Dan, a plumber, earned £52,000 in his first full trading year. Many lenders require two years — but we found a specialist who accepted one year’s income and offered him £210,000.
A: It gives a strong estimate based on industry averages, but exact borrowing will vary by lender. For a full picture, we can run a soft-credit check and lender-matched affordability assessment.
A: Yes, some lenders count 50–100% of regular bonuses or overtime. Our calculator includes a space for variable income, and we can refine it based on payslips or contracts.
A: We support all income types. Many lenders accept one year’s self-employed income, day rate contracting, or umbrella income — we’ll guide you to the right fit.
A: No — this is just a soft affordability tool. We don’t run credit checks without your permission.
A: We’ll explore specialist lenders who offer enhanced affordability for certain professions or incomes, including high earners, contractors, and medical professionals.
Use our free How Much Can I Borrow? Calculator now to get a quick mortgage estimate — then chat to Mortgage Knight for tailored advice, real lender figures, and help getting approved.
Let’s find out what you can really afford.
