To establish that the proposed use falls within the lawful use of the site as a dwellinghouse (Use Class C3b). The certificate also seeks toconfirm that the proposed loft conversion, erection of a rear dormer, and installation of rooflights accords with Schedule 2, Part 1, Classes B and C of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended).

Lawful Development Certificate for a Proposed conversion of two flats to one dwellinghouse