Mortgage on a £40,000 salary: how much can you borrow? (UK, 2026)
On a £40,000 salary most UK lenders will lend up to £180,000 — 4.5× income. With a £20,000 deposit that's a £200,000 property budget. A few lenders stretch to 5× (£200,000 loan, £222,000 budget) for borrowers with strong affordability.
Income and deposit
Loan terms
Max property budget: £0
Monthly repayment: £0
A guide, not a mortgage offer. Actual lending depends on credit history, regular outgoings, contract type and stress-tested affordability — a broker can sharpen this estimate.
What £40k actually buys
A £40,000 salary is roughly £33,400 net per year (£2,780/month) after income tax and NI in the 2026 tax year. The mortgage market translates that into a borrowing capacity:
| Multiple | Max loan | + £10k deposit | + £20k deposit | + £40k deposit |
|---|---|---|---|---|
| 4.0× (conservative) | £160,000 | £170,000 | £180,000 | £200,000 |
| 4.5× (typical) | £180,000 | £190,000 | £200,000 | £220,000 |
| 5.0× (strong applicants) | £200,000 | £210,000 | £220,000 | £240,000 |
| 5.5× (specialist) | £220,000 | £230,000 | £240,000 | £260,000 |
Source: Mainstream UK lender LTI (loan-to-income) caps as published in 2026.
The 4.5× line is the typical mainstream offer. Above that, you generally need: - Stable PAYE income with low variability - Low or zero unsecured debt commitments - Decent credit score (Experian 880+ or Equifax 800+ as a rough threshold) - A specific lender that goes there for your profile
Monthly payment on £40k
The monthly is the binding constraint, not the multiple. UK lenders stress-test affordability against payments of roughly 40% of gross monthly income — in your case £1,333/month.
| Loan | Rate | 25-year monthly | 30-year monthly | % of gross |
|---|---|---|---|---|
| £150,000 | 4.5% | £834 | £760 | 25% |
| £180,000 | 4.5% | £1,001 | £912 | 30% |
| £200,000 | 4.5% | £1,112 | £1,013 | 33% |
| £220,000 | 4.5% | £1,223 | £1,114 | 37% |
| £180,000 | 5.5% | £1,105 | £1,022 | 33% |
| £180,000 | 6.0% | £1,159 | £1,079 | 35% |
If you're seeing rates above 5%, the £180,000 multiple-based ceiling will hold. If rates dip to 4% or below, some lenders will let you push to 5× (£200,000) on the same income.
Deposit reality check
A £20,000 deposit on a £200,000 purchase is 10% LTV — workable but expensive. The interest rate gap between 90% LTV and 75% LTV is typically 0.5–1.5 percentage points.
| Deposit | LTV (£200k purchase) | Typical 2026 rate | 25-year monthly on the loan |
|---|---|---|---|
| £10,000 | 95% (loan £190k) | ~5.2% | £1,133 |
| £20,000 | 90% (loan £180k) | ~4.7% | £1,021 |
| £40,000 | 80% (loan £160k) | ~4.4% | £880 |
| £50,000 | 75% (loan £150k) | ~4.2% | £808 |
| £100,000 | 50% (loan £100k) | ~4.0% | £528 |
A bigger deposit cuts the monthly two ways — smaller loan and cheaper rate. A 95% mortgage at £40k income gets tight on affordability; some lenders steer this profile down to 90% to keep payments below 40% of gross.
Worked examples
Example 1 — First-time buyer, £40k PAYE, £20k deposit. Eligible at 4.5×. Max loan £180,000, max purchase £200,000. With FTB relief in England, no stamp duty up to £300k (so £0 SDLT on this purchase). Monthly at 4.5% over 25 years: ~£1,000.
Example 2 — £40k PAYE plus £200/month car loan, £20k deposit. The £200/month commitment reduces lendable income — most lenders treat this as roughly £6,000–£8,000 of "lost" income. Effective borrowing might fall to £150,000 (3.75× × £40,000). Pay off the car finance before applying if you can.
Example 3 — £40k salary plus £8,000 average annual bonus. Lenders usually count 50% of bonus, so calculable income is £40,000 + £4,000 = £44,000. At 4.5× that's £198,000 max loan, £218,000 budget with the same £20,000 deposit.
Where Offrly fits
A £200,000 purchase budget in 2026 puts you in the most price-sensitive part of the UK market — typical first-time-buyer terraces and flats where £10,000 of overpaying is real money. Offrly's AI reads each comparable's photos (garden, condition, layout, finish) and hyperlocal pricing resolves prices to the street rather than the postcode — in about 30 seconds. Free. No email. So you walk into negotiation with a real number, not the asking price.
Other mortgage calculators: On £30k salary · On £50k · On £60k · On £80k · On £100k · Joint income (£60k+£40k) · Self-employed · First-time buyer · Head calculator
Disclaimer: This calculator is for illustration only. Not a mortgage offer and not financial advice. Actual lending depends on your full financial profile, credit history, regular outgoings and the lender's stress-tested affordability model. For a real decision in principle, speak to a whole-of-market broker or a lender directly.
FAQ: Mortgage on a £40,000 salary: how much can you borrow? (UK, 2026)
How much mortgage can I get on a £40,000 salary?
Most UK lenders cap residential mortgages at 4.5× gross income — so £180,000 on a £40,000 salary. A few mainstream lenders will lend 5× (£200,000) for borrowers with strong affordability, low debt and stable income. Specialist lenders occasionally reach 5.5× (£220,000). Source: Bank of England financial stability data and FCA mortgage market guidance for 2026.
What property price can I afford on £40k?
Loan + deposit. With a £20,000 deposit and 4.5× multiple you reach £200,000. With a £40,000 deposit you reach £220,000. Add stamp duty (£0 if first-time buyer in England up to £300k), conveyancing (~£1,500) and survey (~£500) on top — these come from cash, not the mortgage.
What's the monthly payment on a £180,000 mortgage at £40k?
Around £1,000/month on a 25-year repayment mortgage at 4.5%. That's roughly 30% of gross monthly income — within the 40% stress-test ceiling most lenders apply. Stretch to a 30-year term and the monthly drops to about £912 (but you pay £30,000 more interest over the life of the loan).
Does my deposit size affect what I can borrow?
Indirectly. A bigger deposit lowers your loan-to-value (LTV), which usually unlocks a cheaper interest rate. A 90% LTV at £40k income might cost you 5%; a 75% LTV at the same income might cost 4.2%. The interest-rate saving stretches the affordability budget — sometimes letting you borrow more under the lender's stress test.
What about overtime, bonus or self-employed income?
Lenders apply different multiples and inclusion rates. Regular contractual overtime is usually included in full. Variable bonus is often counted at 50% (or based on a 2-year average). Self-employed income is typically the average of the last 2–3 years' SA302 figures. The 4.5× multiple still applies to whatever the lender accepts.