Free tool · Landlords 2026/27

Rental income tax calculator for landlords

Estimate the tax on your rental income for 2026/27, including the 20% mortgage interest tax credit and the £1,000 property allowance. Then let our Chartered Certified Accountants file your landlord tax return from £250, VAT included.

  • Mortgage interest credit applied
  • Property allowance compared
  • Uses your other income
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Free calculator
Free no sign-up needed
  • Updated for 2026/27
  • Instant, private estimate
  • Accountant review available
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Estimate tax on your rental income

Enter your share of the figures for 2026/27. Nothing is stored or sent.

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Who it’s for

Who this calculator is for

Individual landlords letting UK property.

🏠

Single-property landlords

One flat or house let out.

🏘️

Portfolio landlords

Several properties in your own name.

🔑

Accidental landlords

Letting a former home.

👫

Joint owners

Enter your own share of the figures.

Packages & prices

Want us to file it for you?

Use the calculator for free, then let a Chartered Certified Accountant prepare and file your return. VAT included.

Starter
Straightforward returns and simple sole traders.
£150
per year · incl. VAT
  • Self Assessment tax return
  • Tax calculation explained
  • Online filing with HMRC
  • Deadline reminders
Start my return
Most popular
Growth
Self-employed, landlords, directors or several income sources.
£250
per year · incl. VAT
  • Everything in Starter
  • Self-employment or rental schedules
  • Expense and allowance review
  • Payments on account planning
Start my return
Complete
Bookkeeping, MTD, several properties, crypto or foreign income.
Quote
fixed fee
  • Everything in Growth
  • Capital gains and crypto
  • Foreign income and relief
  • Making Tax Digital support
Request a quote

All prices include VAT.

What’s included

What the calculator works out

Based on 2026/27 rates for England, Wales and Northern Ireland.

  • Rental profit before finance costs
  • Whether the £1,000 property allowance applies
  • Extra Income Tax on rental profit
  • The 20% finance cost tax credit
  • Your estimated tax on rental income
  • Comparison with your other income
How it works

A seamless, fully online process

Enter other income

Salary, pension or other income.

Enter rent and costs

Rent received and allowable expenses.

Enter mortgage interest

Finance costs for the year.

See your estimate

Tax due on your rental profit.

Rules used

Key landlord tax rules

Rule2026/27From 2027/28
Property income tax rates20% / 40% / 45%22% / 42% / 47%
Mortgage interest relief20% tax credit22% tax credit
Property allowance£1,000£1,000
Rent a Room relief£7,500£7,500

How is tax on rental income calculated?

In short: rent minus allowable expenses gives your rental profit. That profit is added to your other income and taxed at your marginal rate. Mortgage interest is not deducted; instead you receive a tax credit of 20% of the interest, limited to your rental profit.

A worked example

A landlord earns £35,000 from employment, receives £15,000 rent, pays £3,000 of expenses and £6,000 of mortgage interest. Rental profit is £12,000. The extra Income Tax is about £3,045, less a £1,200 finance cost credit, so roughly £1,845 is due.

Changes from April 2027

Property income will be taxed at separate rates of 22%, 42% and 47%, with mortgage interest relief at 22%. Higher-rate landlords should plan now. Our landlord tax returns service files your return, and the Let Property Campaign helps if rent was missed. More on our tax calculators page.

Official guidance: Renting out a property: paying tax

Landlord calculating tax on rental income
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FAQs

Frequently asked questions

Can I deduct mortgage interest from rental income?
Not directly. Individual landlords get a 20% tax credit on finance costs, rising to 22% from April 2027.
What is the property allowance?
The first £1,000 of property income is tax-free if you do not claim actual expenses.
Is this calculator suitable for limited companies?
No. Companies pay Corporation Tax and can deduct finance costs in full.
How do I calculate tax for jointly owned property?
Enter your own share of the rent, expenses and interest. Spouses are usually taxed 50:50.
When do I pay tax on rental income?
By 31 January after the end of the tax year, plus any payments on account.
Can you file my landlord tax return?
Yes, from £250, VAT included.

Let us file your landlord tax return

Share a few details and a qualified accountant will respond with a fixed-fee proposal, usually within one working day. All prices include VAT.

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