Cash in
| Deposit (30% of price; bridging loan for the rest) | £1,058,400 |
| Stamp Duty Land Tax (additional-home rates) | £513,510 |
| Legal fees | £1,800 |
| Survey | £600 |
| Bridging fee (2%) | £49,392 |
| Bridging interest (6 months at 0.85% a month) | £125,950 |
| Total cash in | £1,749,652 |
Stamp Duty Land Tax: £513,510
| £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 – £3,528,000 | 17% | £344,760 |
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 | £4,410,000 |
| Selling costs | −£67,650 |
| Bridging loan repaid | −£2,469,600 |
| Cash in (above) | −£1,749,652 |
| Profit before tax | £123,098 |
Profit is 2.8% 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