The UK’s only fully
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.

Years of Experience
0 +
Exemptions, Exceptions and Reliefs in SDLT legislation
Straightforward Screens
Comprehensive Solution

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.

Key Features

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


We work with only the Industry leaders of our sector. Click on one below to find out more.

X-press legal services

Bold Legal Group

The CS partnership

Latest News

Read through the latest articles about SDLT Compass in the news.

Conveyancers miss SDLT relief resulting in massive overpayments and claims

Today’s Conveyancer –

PI insurer Howdens have reported insurers seeing a significant increase in claims arising from a failure to apply for Multiple Dwellings Relief (MDR) from SDLT resulting in massive overpayments of SDLT to the treasury.

PII Risk: Are you confident that your firm is calculating SDLT correctly?

Howden Group –

Howden recently convened a roundtable to discuss the complexity of Stamp Duty Land Tax (SDLT)[1] and the pros and cons of software that has recently been launched by SDLT Compass to address this issue.

Potential claims for SDLT errors could cause a professional indemnity crisis

Today’s Conveyancer –

Last month, an industry reforming technology was launched for the legal profession, protecting property lawyers and conveyancers against an ongoing professional indemnity crisis surrounding SDLT…

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