The Town and Country Planning (General Permitted Development) (England) Order 2015 (GPDO 2015), SI 2015/596 is a development order made under section 59 of the Town and Country Planning Act 1990. As such, and by SI 2015/596, art 3, planning permission is granted for the development described in SI 2015/596, Sch 2, subject to the qualifications in Article 3 itself, and the limitations and conditions in SI 2015/596, Sch 2. SI 2015/596, Sch 2 is divided into 20 Parts, each of which is divided into Classes. Several of these Classes of development are permitted subject to the condition that 'before beginning the development, the developer must apply to the local planning authority for a determination whether the prior approval of the authority will be required…'