Cash in
| Deposit (30% of price; bridging loan for the rest) | £100,800 |
| Land Transaction Tax (additional-home rates) | £23,550 |
| Legal fees | £1,800 |
| Survey | £600 |
| Bridging fee (2%) | £4,704 |
| Bridging interest (6 months at 0.85% a month) | £11,995 |
| Total cash in | £143,449 |
Land Transaction Tax: £23,550
| £0 – £180,000 | 5% | £9,000 |
| £180,000 – £250,000 | 8.5% | £5,950 |
| £250,000 – £336,000 | 10% | £8,600 |
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 | £420,000 |
| Selling costs | −£7,800 |
| Bridging loan repaid | −£235,200 |
| Cash in (above) | −£143,449 |
| Profit before tax | £33,551 |
Profit is 8.0% 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