Free tool · Deal analysis
Buy-to-Let Yield & Cashflow Calculator
Enter the purchase price, expected rent and your real costs — get gross yield, net yield, monthly cashflow and return on investment for any UK buy-to-let. Your figures save in your browser, nothing is sent to a server.
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This tool is guidance, not legal advice. The rules it applies were last reviewed on 21 August 2026 against: gov.uk — Section 24 mortgage interest relief · gov.uk — tax on rental income. If your situation is unusual or contested, take advice before serving anything.