Buy-to-let has had a difficult few years in the UK. Higher mortgage rates, a series of tax changes, and increased regulation have squeezed landlord profit margins significantly. But does that mean buy-to-let is no longer viable? The answer depends very much on your individual circumstances.
- The tax changes that changed everything
- Can buy-to-let still work?
- Limited company buy-to-let
- What to consider before investing
The tax changes that changed everything
The biggest blow to landlords came from the phased removal of mortgage interest tax relief, completed in 2020. Previously, landlords could deduct their full mortgage interest from rental income before calculating their tax bill. Now, they only receive a basic rate tax credit of 20%, meaning higher and additional rate taxpayers pay significantly more tax on rental income than they used to.
Combined with the 3% stamp duty surcharge on additional properties, higher mortgage rates, and various local licensing requirements, the numbers have become much tighter than they were in the early 2010s.
Can buy-to-let still work?
Yes — but the margins are thinner. Properties purchased with larger deposits, in areas with strong rental demand relative to property prices, and managed efficiently can still generate meaningful returns. The North of England, parts of the Midlands, and some Scottish cities typically offer better rental yields than London and the South East.
Rental demand across the UK remains extremely strong, with a significant shortage of rental properties in many areas. This has pushed rents up substantially, which has helped offset some of the cost increases for landlords.
Limited company buy-to-let
Many landlords are now purchasing properties through a limited company structure, which allows mortgage interest to be deducted as a business expense — preserving the tax treatment that individual landlords lost. This adds administrative complexity and costs, but can significantly improve after-tax returns for higher rate taxpayers.
What to consider before investing
Calculate your rental yield carefully — annual rental income divided by the purchase price. A gross yield of at least 5% to 6% is generally considered the minimum viable for buy-to-let. Factor in mortgage costs, insurance, maintenance, letting agent fees, and periods of vacancy.
Bottom line
Buy-to-let can still work in 2026 but requires much more careful analysis than it did a decade ago. Always speak to a tax adviser who specialises in property investment before purchasing, and ensure your numbers stack up even if interest rates or rent levels change.