For homebuyers

SoftCheck

An Instant SDLT risk assessment tool that protects both you and your client.

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Compass | SoftCheck

SoftCheck provides an instant HMRC-aligned calculation for straightforward cases, clear guidance where further review is advised, and immediate visibility when specialist input is required.

Designed for conveyancers and their clients, it helps you manage expectations, flag potential risks early, and avoid last-minute surprises.

  • 7+ years in the making – the UK’s only expert-built SDLT analysis solution.
  • Aligned with CMA & DMCC requirements – meaning property professionals can risk assess SDLT liability upfront as part of the onboarding process and ensure clients understand their financial commitment from the start.

Why you can trust SoftCheck

Purpose-built Stamp Duty Risk Assessment tool designed for upfront accuracy, compliance, and client trust with:

  • 49 SDLT reliefs considered – automatically with real time updates.
  • RAG risk scoring which helps conveyancers assess potential risk – fast.

SoftCheck is the only service that helps you mitigate risk.

The traffic light risk assessment flags up: 

  • Potential surcharges
  • Potential reliefs available
  • Any anomalies
  • Where further information is needed

In one visual dashboard, you can:

  • Enter property and buyer details
  • Instantly see SDLT for multiple buyer scenarios at once
  • Get a clear traffic-light risk score to flag complexities early
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A detailed SDLT risk analysis can be included with your conveyancing quote – adding real value and helping you stand out from competitors.

Red:

  • Indicates a significant likelihood of SDLT misclassification or non-compliance.
  • Complex transaction features or atypical property characteristics have triggered risk flags.
  • A full SDLT analysis and expert review are advised prior to submission or completion.

Amber:

  • Suggests potential areas of SDLT uncertainty requiring further clarification or verification.
  • The transaction may involve factors (e.g., mixed-use elements, multiple dwellings relief, or unverified data inputs) that could impact SDLT liability.
  • Further due diligence is recommended.

Green:

  • Denotes minimal SDLT risk based on the information provided.
  • The transaction parameters align with standard residential or commercial classifications and no anomalies have been detected.
  • SDLT figure is confirmed and the transaction can proceed with no further investigation required.

HMRC Calculator Vs SoftCheck

SoftCheck is a risk assessment tool capable of analysing complex property transactions, considering potential surcharges and 49+ reliefs. The HMRC SDLT calculator works only in the most straightforward matters!

SoftCheck gives you more:

  • Considers all scenarios – from leaseholds to mixed-use to additional properties.
  • 49+ reliefs built-in – HMRC only covers the basics.
  • Risk alerts you can act on – HMRC provides no risk reporting.
  • Multiple buyer analysis – HMRC makes you start over each time.
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Feature HMRC Calculator SoftCheck
Complex transactions ✕ ✓
Reliefs covered Basic only 49+
Risk alerts ✕ ✓
Multiple scenarios at once ✕ ✓

Why property professionals choose SoftCheck

Speed

Under 10 seconds from input to answer

Breadth

Handles residential, mixed-use, leasehold, additional property and more

Certainty

Maintained by UK tax experts, updated for every change in law or relief

Value

Pay as you go or subscription – a fraction of the cost of a mistake

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The UK’s only technology-led Stamp Duty solution.

Stop relying on manual calculations, enjoy a solution that removes human inconsistency, can scale effortlessly, and adapts instantly to rule changes.

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