Planning permission is required for the development of land. Section 55 of the Town and Country Planning Act 1990 defines development as including: • operations that affect land, and • changes of use of lands For more information, see Practice Note: Is planning permission required? However, planning permission is not required for development which is permitted under the Town and Country Planning (General Permitted Development) (England) Order 2015, SI 2015/596 (GPDO). GPDO, SI 2015/596, Sch 2 comprises five classes of permitted development and Class E includes commercial film-making. Permitted development for commercial film-making purposes (up to nine months in any 27-month period) Under the GPDO, SI 2015/596, Sch 2, Pt 4, Class E, the use of any land or buildings is permitted, subject to exceptions, for a period not exceeding nine months in any 27-month period for the purposes of commercial film-making. Under Class E, ‘commercial film-making’ is defined as filming for broadcast or transmission, but does not comprise the filming