Monthly Repayments on a £300,000 Mortgage
At 4.5%, your monthly repayment on a £300,000 mortgage over 25 years would be £1,667
Monthly Payments by Rate & Term
| Rate | 15 yrs | 20 yrs | 25 yrs | 30 yrs | 35 yrs |
|---|---|---|---|---|---|
| 3% | £2,072 | £1,664 | £1,423 | £1,265 | £1,155 |
| 3.5% | £2,145 | £1,740 | £1,502 | £1,347 | £1,240 |
| 4% | £2,219 | £1,818 | £1,584 | £1,432 | £1,328 |
| 4.5% | £2,295 | £1,898 | £1,667 | £1,520 | £1,420 |
| 5% | £2,372 | £1,980 | £1,754 | £1,610 | £1,514 |
| 5.5% | £2,451 | £2,064 | £1,842 | £1,703 | £1,611 |
| 6% | £2,532 | £2,149 | £1,933 | £1,799 | £1,711 |
Highlighted cell shows a typical current rate (4.5%) over 25 years.
Mortgage Summary at 4.5% over 25 Years
Monthly Payment
£1,667
Total Repayable
£500,249
Total Interest
£200,249
Interest as % of Loan
67%
What Deposit Do You Need?
| Deposit % | LTV | Deposit Needed | Property Price |
|---|---|---|---|
| 5% | 95% | £15,789 | £315,789 |
| 10% | 90% | £33,333 | £333,333 |
| 15% | 85% | £52,941 | £352,941 |
| 20% | 80% | £75,000 | £375,000 |
| 25% | 75% | £100,000 | £400,000 |
What Salary Do You Need for a £300,000 Mortgage?
Most UK lenders use a 4.5× income multiple. For a £300,000 mortgage, you'd typically need:
Single applicant
£66,667
Joint (e.g. 60/40 split)
£40,000 + £26,667
Overpayment Impact
See how overpaying your £300,000 mortgage at 4.5% could save you years and thousands in interest.
| Monthly Overpayment | Years Saved | Interest Saved | New Term |
|---|---|---|---|
| £100/mo | 2.4 yrs | £21,257 | 22.6 yrs |
| £250/mo | 5.3 yrs | £45,802 | 19.8 yrs |
| £500/mo | 8.7 yrs | £75,420 | 16.3 yrs |
Stamp Duty on a £333,333 Property
With a 10% deposit, a £300,000 mortgage means buying a £333,333 property.
Standard buyer
£6,666.65
2.00% effective
First-time buyer
£1,666.65
0.50% effective
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