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.

Change of use from part retail (Class E) and part residential (Use Class C3) to a standalone casting studio/office (Use Class E) at ground floor level and a two bedroom flat (Use Class C3) above; erection of an additional floor at roof level with solar panels; formation of a roof terrace on top of the existing back addition at second floor level; demolition of existing single storey garage and erection of a part single part two storey side and rear extension; installation of air source heat pump to side elevation of back addition; replacement windows to front, side and rear elevations; installation of new shopfront; associated landscaping and alterations to the existing Waldo Road facing boundary treatment (Revised description).

Non-material amendment to planning permission ref: 2015/04542/FUL granted 22nd February 2017 for the 'Erection of a terrace of 4 x three-storey houses plus basement; alterations to the existing self-storage facility by the erection of extensions at ground, first and second floors to the southern elevation for Class B1 (office) use at ground floor and additional Class B8 (self-storage) space at first and second floors, erection of an infill extension on the northern elevation at second and third floor level, and the erection of an additional floor at roof level; erection of a replacement single storey electricity sub-station (south east corner of site); reconfiguration of vehicular access/egress to enter site via Effie Road and exit via Argon Mews, and associated car parking and landscaping.' Amendment to the wording of description of development to read as follows: 'Erection of a terrace of 4 x three-storey houses plus basement; alterations to the existing self-storage facility by the erection of extensions at ground, first and second floors to the southern elevation for Class E(g)(i) (Office) use and additional Class B8 (self-storage) space, erection of an infill extension on the northern elevation at second and third floor level, and the erection of an additional floor at roof level; erection of a replacement single storey electricity sub-station (south east corner) of site); reconfiguration of vehicular access/egress to enter site via Effie Road and exit via Argon Mews, and associated car parking and landscaping.'