Buy-to-let in 2026: section 24 still bites, and the maths has changed
The phased restriction of mortgage interest relief for individual UK landlords completed in 2020. Six years on, the landscape it created is settled: most leveraged personal-name landlords are worse off than they were under the old regime, and many higher-rate taxpayers are now in negative cash-flow positions on properties that used to be profitable. Here is the actual maths for 2026.