There is an update to the GOV.UK Prototype kit which may affect how your prototype works if you are not using the latest version. Contact #team-plat-ui on HMRC Slack (open in app) if you need more information or support.

HMRC Design Patterns

These are patterns designed specifically for the needs of HMRC users and patterns that are not yet in the GOV.UK Design System.

Check the GOV.UK Design System to see if the component or pattern you need is already being used across government.

If you cannot find what you need in the GOV.UK Design System or HMRC Design Patterns you can:

All patterns must be useful and unique.

Using code snippets in prototypes

Each pattern includes coded examples. You will need to install HMRC Frontend to use patterns with specific HMRC code not yet supported by the GOV.UK Prototype Kit. You must use version 7 or later of the GOV.UK Prototype Kit for these to work.

Find out how to:

Get help

HMRC Design Patterns is maintained by the Platform UI team. If you have a question, idea or suggestion you can: