When you need it
You'll probably need planning permission if you want to:
Build something new, make a major change to your building, eg building an extension or change the use of your building.
See 'in this section' for information.
You'll probably need planning permission if you want to:
Build something new, make a major change to your building, eg building an extension or change the use of your building.
See 'in this section' for information.