You require a planning permission when you plan to build something new, make a major change to your building that may include an extension, and if you plan to use the building for a different purpose other than as a home. Planning permissions are mandatory, and non-adherence means to serve an enforcement notice that orders undoing of all changes or renovations made.
However, there are few building projects that may be permitted development sans any planning permission. These include,
- Building projects that normally have permitted development rights include:
- Industrial premises and warehouses
- Some outdoor signs and advertisements
- Projects that will have no impact on your neighbours or the environment