Cash in
| Deposit (30% of price; bridging loan for the rest) | £840,300 |
| Stamp Duty Land Tax (additional-home rates) | £389,920 |
| Legal fees | £1,800 |
| Survey | £600 |
| Bridging fee (2%) | £39,214 |
| Bridging interest (6 months at 0.85% a month) | £99,996 |
| Total cash in | £1,371,830 |
Stamp Duty Land Tax: £389,920
| £0 – £125,000 | 5% | £6,250 |
| £125,000 – £250,000 | 7% | £8,750 |
| £250,000 – £925,000 | 10% | £67,500 |
| £925,000 – £1,500,000 | 15% | £86,250 |
| £1,500,000 – £2,801,000 | 17% | £221,170 |
Additional-home rates, as checked in October 2026. Buying through a company, or replacing your main home, can change this. Stamp duty calculator
Sale
| Sale price | £3,501,000 |
| Selling costs | −£54,015 |
| Bridging loan repaid | −£1,960,700 |
| Cash in (above) | −£1,371,830 |
| Profit before tax | £114,455 |
Profit is 3.3% of the sale price. Many investors look for 15–20% to cover surprises. Profits are taxed as income or, through a company, corporation tax.
All figures are before income tax. Individual landlords cannot deduct mortgage interest in full (they get a 20% tax credit instead), so higher-rate taxpayers pay tax on more than their cash flow. This is a calculator, not financial advice. Read the guide