Landlord Sums.comFree calculators for UK landlords
Guides · Updated 1 October 2026

Landlord guides

Plain-English explanations of the rules and tax changes that matter, each linked to a calculator so you can run your own numbers.

Tax · From 6 April 2027Landlord tax changes from April 2027Rental profit taxed at 22%, 42% and 47%, and what to do before April.Lettings law · EnglandThe Renters' Rights Act: what landlords need to knowWhat changed on 1 May 2026, and the dates still to come.Registration · From 15 December 2026How to register on the landlord databaseWhen your region opens, the £65 fee, and what you'll need.