What salary do I need for a 300k mortgage in the UK?

What Salary Do You Need for a £300k Mortgage in the UK?

If you're aiming to secure a £300,000 mortgage in the UK, you’ll likely need a household income between £66,000 and £75,000. Most lenders use a multiplier of 4 to 4.5 times your annual income when calculating how much they’re willing to lend. That means your combined earnings—whether from one person or a couple—need to fall within this range to comfortably qualify for that loan amount.

It’s worth noting that £75,000 is significantly higher than the current UK average annual salary of £39,039 (as of January 2026). This gap highlights how challenging homeownership can be, especially outside of lower-cost regions. Affordability isn’t just about hitting a number—lenders also consider your outgoings, credit history, and deposit size. So even if your income is near the threshold, high levels of debt or inconsistent spending could affect your approval.

Still, some banks and building societies may stretch to 5 times income in certain cases, particularly for first-time buyers or with the help of government schemes. But these exceptions are increasingly rare. The bottom line? Breaking into the property market with a £300k mortgage requires solid earnings and careful financial planning. And while income is a major factor, maintaining a good credit score and minimizing existing debt can make a meaningful difference in whether you get the keys to your new home—or stay stuck in the search phase.