You must apply for planning permission if you want to build or demolish property, or significantly alter the use of land or property unless the development is exempt.
You can apply to the local authority to extend the duration of a grant of planning permission if the work is not complete before the grant of planning permission expires.
You must apply to the local authority for a permit if you want to temporarily put a skip or mobile appliance in a parking place or erect hoarding or scaffolding on a public road.