Participate in Open MasterMap Implementation Programme data trials

Open MasterMap | Trials | Background and delivery plan

Help OS build Open Data for the future by taking part in our data trials.

Soon you’ll be able to sign up for the trials you’re interested in and provide your feedback which will be key to future development phases of the project.

Upcoming trials

  • Property extents
  • Open Map Local
  • Identifiers
  • Errors and omissions tool

Finished trials