You don't need planning permission for internal changes. You may need building control to sign off the works, if the changes are structural - ie if the doorway is in a supporting wall.
and also consider BR part B - Fire Safety
@rive_gauche started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
You don't need planning permission for internal changes. You may need building control to sign off the works, if the changes are structural - ie if the doorway is in a supporting wall.