Putting up decking, or other raised platforms, in your garden is permitted development, not needing an application for planning permission, providing:
Please note: the permitted development allowances described here apply to houses not flats, maisonettes or other buildings. View guidance on flats and maisonettes here.
Building Regulations should be assumed to apply to every deck structure requiring planning permission.
If you are unsure about whether you are required to comply, you may wish to contact your local Building Control body.
This is an introductory guide and is not a definitive source of legal information. Read the full disclaimer here.
This guidance relates to the planning regime for England. Policy in Wales may differ. If in doubt contact your Local Planning Authority.