Second Home Tax Calculator — UK Property Tax & Stamp Duty Estimates

Second Home Tax Calculator

Calculate stamp duty land tax, capital gains tax, and annual costs for your second home in the UK. Get accurate tax estimates and planning advice.

Step 1: Property Details

£300,000

Second Home Tax Rules

Second homes in the UK incur additional 3% stamp duty on top of standard rates. Different rules apply in Scotland (Additional Dwelling Supplement) and Wales (Land Transaction Tax).

Step 2: Financial Details

£12,000
£4,000
£8,000

Tax Considerations

Second homes are subject to additional stamp duty, capital gains tax on sale, and income tax on rental earnings. Mortgage interest relief is limited to basic rate tax.

Second Home Tax Calculation Results

Tax Summary
Stamp Duty
Annual Costs

Total Upfront Tax Cost

£14,000
Additional 3% SDLT on second home
Stamp Duty
£14,000
Annual Income Tax
£1,600
Capital Gains (est.)
£7,200
Tax Efficiency
Medium

Stamp Duty Land Tax Breakdown

Standard SDLT
£5,000
Up to £250,000 at 0%
Additional SDLT
£9,000
3% on entire value
Total SDLT
£14,000
Total payable
Effective Rate
4.67%
Of purchase price

Stamp Duty Rules for Second Homes

Second homes incur an additional 3% SDLT on top of standard rates. In Scotland, it’s called Additional Dwelling Supplement (ADS) at 6%. Rates apply to the entire purchase price for second homes.

Annual Tax & Cost Breakdown

Annual Tax Calculation

Rental Income Tax = (Rental Income – Allowable Expenses) × Tax Rate

Allowable expenses include mortgage interest (limited to basic rate relief), repairs, insurance, agent fees, and other running costs. Different rules apply for furnished holiday lets.

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