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UK · 2025/26

Rental Income Tax Calculator (UK)

Calculate how much income tax you owe on UK rental income. Accounts for allowable expenses, your personal allowance, and 2024/25 tax bands.

Last reviewed: 3 December 2025Source: HMRC — Tax ratesUpdated every: tax year
Rental Income Tax Calculator (UK) · UKTax & National Insurance

Tax on Rental Income

£2,400.00

Net Rental Profit

£12,000.00

Effective Rate on Rental Income

16.00%

Rates & sources

UK tax rates and thresholds, as published by HMRC. Scotland and Wales have devolved rates for income tax and property transactions.

Source: HMRC — Tax rates — figures refreshed at the start of each tax year.

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When to use this calculator

  • Before accepting a pay change, bonus, pension contribution, or salary-sacrifice option.
  • When you want to compare employed, self-employed, or dividend-based income scenarios.
  • When you need a simple take-home estimate before running payroll or filing returns.
  • When you are approaching the £100,000 income level and want to understand the personal allowance taper effect.
  • When you are planning a salary sacrifice arrangement and need to see the net pay impact before agreeing terms.

A realistic UK planning example

Use these sample inputs as a quick scenario test, then change one variable at a time to compare outcomes.

Annual Rental Income (£)

£35,000

Allowable Expenses (£)

3000

Other Income (£)

£35,000

After entering these figures, review tax on rental income, net rental profit and effective rate on rental income together rather than in isolation — each metric tells a different part of the story. Then rerun the tool with one input adjusted to see which variable has the biggest effect on all three outputs before you settle on a plan.

How to read your results

Tax on Rental Income

Review this figure alongside your gross income so you can understand the true cost of deductions and plan around any thresholds before the tax year closes. If the figure looks higher than expected, check whether any pension or gift-aid contributions could reduce your taxable income.

Net Rental Profit

Use this metric to compare scenarios side by side and understand how changes in the key inputs drive the final outcome. If the figure surprises you, isolate one variable at a time and rerun the calculation to identify which assumption is responsible.

Effective Rate on Rental Income

The effective rate lets you compare options on a true like-for-like basis rather than being misled by different compounding periods or fee structures. Use it to cut through headline marketing rates when shortlisting providers or products.

Method & assumptionsAuthoritative sources

This calculator estimates the income tax attributable to rental income by modelling how rental profit sits on top of your other income (such as employment earnings, pensions, or savings interest). Because income tax bands are applied to total income, the rate at which your rental profit is taxed depends on how much of the basic-rate band (£37,700 in 2024/25) has already been consumed by your other income. The personal allowance is tapered for total incomes above £100,000 and eliminated entirely above £125,140. This calculator uses the UK personal allowance of £12,570 and the 2024/25 tax bands. Note that it does not model the mortgage interest tax credit (Section 24), Class 2 or Class 4 National Insurance for landlords treated as running a business, or High Income Child Benefit Charge — all of which may be relevant depending on your situation.

Common mistakes

  • !Entering gross income when you really want take-home pay, or vice versa.
  • !Ignoring pension contributions, deductions, or local tax rules that change the result.
  • !Comparing monthly and annual figures without standardising them first.
  • !Overlooking the National Insurance threshold changes that apply mid-year when rates or bands are adjusted in a Budget.
  • !Assuming a salary sacrifice benefit reduces take-home pay by the full gross amount, rather than only the after-tax cost.

What to do next

  • Check the same scenario with related pay or deduction calculators to see the full picture.
  • Keep a copy of the assumptions you used so you can compare next tax year or pay period accurately.
  • Read the related guides below if you are choosing between multiple income or deduction options.
  • If you are self-employed, run the self-employment tax calculator alongside this result to compare the net position against employed income.
  • Check whether increasing your pension contribution by even one or two percent changes the take-home significantly — use the pension calculator next.

Frequently asked

Rental income is added to your other income and taxed at 20% (basic rate), 40% (higher rate), or 45% (additional rate) depending on your total taxable income. The property allowance of £1,000 may apply for very small amounts of rental income. Allowable expenses reduce your taxable rental profit before tax is calculated.

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