The UK’s only fully
comprehensive
SDLT calculator
The UK’s only fully comprehensive SDLT calculator providing a risk assessment and direct access to one of the UK’s leading SDLT advisors.


Intuitive User Interface
Entering 2021 with a fresh, new Front-end User Interface and more robust Back-end Compass has been updated to give users a whole new experience when calculating SDLT.

The most Accurate Results
Providing you with a reliable and accurate result every time. Our calculator has been designed and developed to put your needs first.

CQS Compliant
Compass provides an indemnified and fully CQS compliant audit trail for you and your client’s peace of mind.
De-Risk Your Business
Compass is a one stop application for all your SDLT needs, helping you to ensure that SDLT is calculated correctly for each of your clients first time, every time, and giving you the audit trail you need to prove it. Produce accurate SDLT numbers for your clients regardless of their circumstances or the type of property being purchased, avoiding the costs of:
- Underestimated SDLT due to missed factors like additional properties, leading to loss of property and client dissatisfaction.
- Overestimated SDLT leading to lengthy reclaim processes with HMRC and potential claims against your firm by the client.
- Loss of professional reputation and higher PI insurance costs.
Simple, web-based interface
Produces complete audit trail with breakdown of calculation and return completion instructions
Warning messages where transactions are not normal for SDLT purposes
Direct referral to Expert Advisors for detailed advice
What Our Clients Say
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Person 1
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Person 2
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Person 3
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Person 4
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Person 5
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Person 6
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SDLT Compass
Woodcock House
12A Compass Point
Northampton Road
Market Harborough
LE16 9HW
©SDLT Compass 2021