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Shared Ownership Stamp Duty Calculator

Calculate SDLT on your shared ownership purchase — and find the most tax-efficient method.

Updated for April 2025 rates
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10%75%
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This calculator covers Stamp Duty Land Tax (SDLT) for shared ownership purchases in England and Northern Ireland. Rates effective from 1 April 2025. Always consult a solicitor for your specific circumstances.

Frequently asked questions