Demolition of the single storey back addition and rear outbuildings attached to the rear of the main building; erection of side and rear extensions at lower ground, upper ground and first floor level, erection of a rear roof extension to replace the existing dormer window, excavation beneath the main building in connection with the creation of a new basement and the formation of a roof terrace at upper ground floor level to the main building; change of use of the main building from office (Class E) into 2 x two bedroom self-contained flats; erection of a part one storey plus-basement single family dwellinghouse in the rear garden; erection of a new boundary wall with three new entrances to the side elevation; associated landscaping and external alterations.

Non-material amendment to planning permission ref: 2013/01865/FR3 granted 8th August 2013 for the 'Redevelopment comprising erection of a four storey building providing 8 flats (2 x 1 bed, 6 x 2 bed) together with two, 2 storey 3 bedroom dwelling houses; with associated parking, landscaping, and alterations to the existing footpath and vehicle access, following demolition of four garages.' Amendments to include: Splaying of corners of boundary fences to either side of main entrance to flats to Porten Road side of building.