A practical guide for deductible expenses searches. This site's calculator requires net rental profit (after allowable expenses). Use this page to understand the input, then use the estimator to see incremental Income Tax from rental profit.
If you want a quick landlord costs / profit worksheet, use Landlord costs calculator UK to turn rent received into net rental profit.
Many calculators fail because landlords enter gross rent instead of profit. This estimator expects annual net rental profit (rent received minus allowable expenses).
1) Sum rent received. 2) Sum allowable expenses (per official guidance). 3) Net profit = rent received minus allowable expenses. Then use the calculator to estimate the additional Income Tax attributable to that profit.
This MVP does not compute expenses for you and does not model every landlord rule. It is designed as a transparent incremental estimator once you have net profit.
Last updated: 2026-04-20
Not in this MVP page. Use official guidance to determine allowable expenses, then enter net profit into the estimator.
Compute expenses first (even a rough bookkeeping summary), then enter net profit for an estimate.
No. This MVP does not model Section 24 mortgage interest tax relief.
For official rules and definitions, verify with the references below.