Borrowing
What house can I afford on a £100,000 salary?
On £100,000 a year, many lenders would lend around £450,000, which is 4.5 times your income. With a 5% deposit that reaches a home of about £473,000, or about £500,000 with 10% down.
| Deposit | Home | Monthly | Cash on day one |
|---|---|---|---|
| 5%£23,650 | £473,000 | £2,277 | £36,590 |
| 10%£50,000 | £500,000 | £2,280 | £64,400 |
| 15%£79,350 | £529,000 | £2,278 | £100,310 |
| 20%£112,400 | £562,000 | £2,278 | £135,150 |
Repayment mortgage at 4.5% over 30 years. Day one cash is the deposit plus fees, and Stamp Duty in England for a first-time buyer. Try your own rate and term
Against your take-home pay
£100,000 is about £5,713 a month after tax and National Insurance in England. The £2,280 mortgage with a 10% deposit would be about 40% of that, before bills and council tax.
Common questions
- How much can I borrow on £100,000?
- Many lenders lend around 4.5 times income, so about £450,000. Some go up to 5 times, about £500,000, for some buyers. Debts and other payments bring it down. Only a lender can say for sure.
- What would the mortgage cost a month?
- With a 10% deposit on about £500,000, a £450,000 repayment mortgage at 4.5% over 30 years is about £2,280 a month, before bills and council tax.
- How much cash do I need on day one?
- About £64,400 at that price with a 10% deposit: the £50,000 deposit plus legal fees, searches, a survey and moving, and £10,000 Stamp Duty. First-time buyers in England pay no Stamp Duty up to £300,000.
- What if I'm buying with someone?
- Lenders add your incomes together. Add your incomes and use the guide for the total.
A guide, not a promise anyone will lend. Debts, other payments and your credit history change what a lender offers. Checked 2026-10-04.