Free tool · Portfolio resilience
Landlord Portfolio Stress Test
Add your properties and stress-test the portfolio against interest rate rises, void periods and Section 24 — get an instant resilience score and see which property breaks first. 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: Bank of England — Bank Rate · gov.uk — Section 24 mortgage interest relief. If your situation is unusual or contested, take advice before serving anything.