2025/2026 UK | Free, Instant & No Email Required
Nick Garner, Land Tax Expert
Welcome! This is the most comprehensive free stamp duty calculator on the internet. Based on the HMRC calculator but improved to cover various scenarios not included in the official version.
I don't capture emails or require registration—simply work through the questionnaire to get your result. I've processed around 500 stamp duty reclaims and have over 100 Google reviews for my work in this area.
Need help? If you have a complex scenario or query, email me at [email protected] and I will respond as soon as possible.
ℹ️ Important
This calculator provides estimates based on current SDLT rates and rules under the Finance Act 2003.
Auto-Save Feature
Your progress is automatically saved as you fill out the form. If you refresh the page or return later, your data will be restored.
Limitations
This calculator covers standard residential and non-residential property purchases, leases (Sections 52–57), shared ownership (Schedule 9), linked transactions (section 55 FA 2003), and higher rate surcharges (Schedule 4ZA). It does not cover:
- Non-monetary consideration, exchanges, or debt as consideration (Sections 47, 49, 50, 51)
- Connected companies or deemed market value provisions (Section 53)
- Corporate reconstructions, acquisition relief, or share exchanges (Schedules 7A and 7B)
- Variable rent reviews, uncertain lease terms, or complex lease structures
- Sub-sale relief, transfer of rights, or conditional contracts
If you have a query, email [email protected] with your query and I will respond as soon as possible.


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