Amalgamation of 2no dwellinghouses into a single family dwellinghouse; erection of rear extensions at third floor level, on top of the existing back additions; demolition of existing single storey rear extensions and erection of a replacement single storey rear extension including the formation of an enlarged roof terrace above the roof of ground floor rear back addition; excavation of the front garden to form lightwells in connection with the enlargement of the existing basements; replacement of existing dormer windows with new dormer windows comprising of windows and French doors with Juliet balconies in the rear roofslope; installation of 2no rooflights in the front roofslope to no. 6 Dewhurst Road; replacement of existing windows with new windows and replacement of the existing single door with double doors at first floor level to the rear elevation; removal of rear fencing and front wall between no. 6 and 8 Dewhurst Road and installation of replacement refuse and cycle stores; erection of new front boundary wall with railings on top and a pedestrian access gate to no. 8 Dewhurst Road; associated landscaping in the front and rear gardens.

Erection of a rear dormer roof extension; erection of a single storey timber clad outbuilding in the rear garden; alterations to the existing ground floor back addition to include, installation of 2no. rooflights on top of the flat roof, enlargement of door opening and installation of bi-folding doors to the rear elevation following the removal of existing door and window; erection of new fence to replace existing, to the side and rear boundary walls of the rear garden; re-levelling of the rear garden floor with patio finish and associated landscaping.

Removal of existing terrace fencing, staircase and structure from the second floor roof of back addition; erection of a dormer to house an internal staircase in the rear roofslope; erection of glass balustrades at main roof level in connection with its use as a terrace; installation of planter pockets on metal railings, re-location of boiler flue and timber decking at main roof level; installation of 2no air conditioning units at roof level, erection of external staircase and glass balustrades including timber decking above the second floor roof of back addition.