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Service update

Some tools are still being tested

Some tools may be unavailable or may not work as expected while we complete final testing.

This is a new service. Help us improve it and give your feedback.

Criminal Justice Hub Design System

Page type: tool

Use a tool page when users need to calculate, search, filter or make a decision.

Use a tool page when the user needs to interact with data or get a calculated, filtered or personalised result.

Use forCalculators, maps, search tools, comparison tools, offence lookups and eligibility checks.
Do not use forStatic guidance that does not require interaction.

What the template should include

  • What the tool does and its limits.
  • Accessible form controls.
  • Clear error messages.
  • Result with assumptions and next steps.
  • Data source and last updated date.

Example layout

Tool

Calculate a prison release date

Enter sentence details to get an indicative release date.

Estimated result

14 September 2028

Check assumptions before relying on this estimate.