How Much Tax Do I Pay on Rental Income?
Rental profit is taxed at 20% (basic rate), 40% (higher rate), or 45% (additional rate). Deduct expenses like repairs and insurance. Mortgage interest gets a 20% tax credit. Must file Self Assessment if rental income exceeds £1,000.
As a landlord, your rental profit (income minus allowable expenses) is added to your other income for tax purposes. The tax you pay depends on which band your total income falls into. Since 2020, mortgage interest is no longer deductible but instead qualifies for a 20% tax credit.
Key Points
- 1Taxed at your marginal rate
- 2£1,000 property allowance
- 3Mortgage interest = 20% credit
- 4Repairs deductible, improvements not
- 5File Self Assessment by 31 Jan
- 6Payments on account may apply
Eligibility Criteria
- Must register for Self Assessment
- Keep records for at least 5 years
- Report income over £1,000/year
- File return by 31 January
Typical Timeframe
Tax year runs April to April. Self Assessment deadline is 31 January following the tax year. Register by 5 October after your first tax year of rental income.
Next Steps
- 1Calculate your rental profit
- 2Identify all allowable expenses
- 3Keep receipts and records
- 4Register for Self Assessment
- 5Consider using an accountant
Why This Matters for Your Mortgage
Understanding these details helps you make informed decisions during the mortgage process. Every element of your application—from deposits to documentation—affects your approval chances and the rates you can access.
Lenders assess applications holistically, weighing multiple factors together. Knowing what they look for allows you to present the strongest possible application. This is particularly important for non-standard situations where lender criteria varies significantly.
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Related Questions
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Buy-to-LetContent reviewed: January 2026
CeMAP awarded by The London Institute of Banking & Finance. Cert CII (MP) awarded by the Chartered Insurance Institute.