How to use the Rental Income and Section 24 Tax Calculator: full video tutorial
Rental profit, Section 24 mortgage interest relief and tax by year from 2025/26 to 2027/28, with SA105 boxes. Education only.
▶ Play the tutorial (11:21)About this tutorial
Enter the year’s rent, costs and mortgage interest. See the tax on your rental profit, the Section 24 relief, the SA105 boxes and a company comparison, by tax year. This full guide walks you through every box and result in the Property Clues Rental Income & Section 24 Tax Calculator, using a worked example: £14,400 of rent, £3,008 of costs and £6,000 of mortgage interest on top of a £45,000 salary.
What you'll learn
- How rental profit is stacked on your other income
- Profit before interest, the 20% Section 24 relief and profit after interest
- The effective tax rate, and tax now vs the old rules vs a company
- The SA105 boxes, the Making Tax Digital check and payment dates
- What if: joint ownership, higher interest, a lower salary, Scotland and 2027/28
Chapters
- £2,303 of tax on £14,400 of rent (example)
- Finding your way around
- Your tax position
- How your income is taxed
- Rent and costs
- Allowable expenses in detail
- Earlier years
- The headline results
- Where your rent goes
- Section 24 and the company comparison
- The company figure explained
- What if you own half?
- What if interest rates rise?
- What if you earn less?
- What if you live in Scotland?
- The 2027/28 changes
- SA105 boxes and payment dates
- What if you are also self-employed?
- The SA105 boxes in detail
- Paying the tax
- Selling and recap
Figures in the video are a worked example. Property Clues tools are educational calculators and checklists, not financial, tax, mortgage or legal advice. Speak to a qualified adviser about your own situation. The voice in the video is AI-generated.