Partial demolition of existing dwelling and construction of part single, part two storey front and rear extensions; garage conversion to habitable accommodation; alterations to roof including increase in ridge height and creation of crown roof, loft conversion with rear dormer window and rooflights; provision of front portico, external insulation and alterations and additions to fenestration; external materials including render; replacement of roof tiles, doors and windows; construction of raised rear patio

Development to provide a total of 326 self-contained residential units comprising; phased construction of seven blocks of flats (ranging from two to six-storeys); two two-storey detached dwellinghouses (following demolition of existing gatehouse); and a terrace of two-storey dwellinghouses in the grounds of Twyford Abbey (all Use Class C3); conversion of Twyford Abbey (Grade II Listed) into flats (Use Class C3) and provision of residents lounge; demolition of workshop attached to the Grade II listed walled garden and replacement with a single storey dwellinghouse (Use Class C3); facilitated by repair; refurbishment; infill and rooftop extensions; demolition of post-war extensions and other pre-war structures within grounds, excluding the cottage; retention and repair of the Grade II listed walled garden and attached cottage to provide ancillary facilities management accommodation and residents facilities; comprehensive landscaping works including removal and works to trees and groups of trees protected by a Tree Preservation Order; provision of permissive publicly accessible open space and grow gardens; provision of gated cycle and pedestrian access onto North Circular (A406) and new access onto Twyford Abbey Road; provision of hardstanding parking areas; ecological enhancement works; and other associated constructions works including installation of boundary treatment

Substantial demolition of existing dwelling and construction of part single, part two storey front side and rear extensions, loft conversion including increase in ridge height, creation of crown roof form, rear dormer window, front and side roof lights, alterations to fenestration detail, extensions to existing garage to provide first floor accommodation including flank dormer windows and roof lights, alterations to hardstanding, new gate and brick piers to frontage.