UKUnited KingdomSection 24 Landlord Mortgage Tax RestrictionFinance & Salary

UK Buy-to-Let Mortgage Tax (Section 24) Landlord Calculator

Calculate individual private landlord income tax under HMRC Section 24 rules (taxed on full gross rental turnover with a 20% basic rate finance cost tax credit instead of deducting mortgage interest as an allowable expense).

Calculator Inputs

Live Real-Time
£
Quick select:
£
Quick select:
£
Quick select:
Calculated ResultSection 24 Landlord Mortgage Tax Restriction

Net Annual Landlord Cashflow in Pocket (After Mortgage & Section 24 Tax)

£2,880

Total HMRC Tax Payable on Rental Property

£4,720

20% Mortgage Finance Cost Tax Credit Received

£1,680

Detailed Calculation Breakdown

Taxable Rental Profit
£16,000
Gross Tax (40%)
£6,400
20% Tax Credit
£1,680
Net Landlord Profit
£2,880

Calculation Methodology

Taxable Rental Profit = Gross Rent - Property Running Costs. Gross Tax = Taxable Profit * Marginal Tax Rate%. Tax Credit = Annual Mortgage Interest * 20%. Net Tax Payable = Gross Tax - Tax Credit.

Important Legal & Educational Disclaimer

Under Section 24, higher-rate and additional-rate landlords pay tax on gross rental profit, frequently pushing landlords into higher income tax brackets.

This calculator is designed for educational and informational purposes only based on public statutory frameworks. The outputs do not constitute binding financial, tax, or legal advice. We assume no liability for decisions made based on these estimations. Always verify with the relevant official authorities or a certified professional advisor.

Frequently Asked Questions

Section 24 prevents landlords from deducting mortgage interest from rental revenue. Instead, landlords pay tax on gross profit and receive a basic 20% tax credit on finance costs.
Related Calculators

Related Calculators

Recommended tools and calculators tailored to your current calculation

Explore all tools