Application under Section 73 of the Town and Country Planning Act 1990 to carry out development without compliance with Condition 1 (Approved Plans) of Planning Permission ref: 21/03750/FUL (Demolition of existing house and erection of three storey dwellinghouse (including accommodation in roofspace) and erection of new boundary fencing to left hand side and installation of new entrance gate) dated 26/01/2022. Variation to consist of the following changes by removing single storey room at rear, amendments to roof form of two storey front extension and alterations to the pitch of the main roof slope, including increasing the width of the rear dormer window and scale of the front dormer windows, alteration to window scale and detailing, adding obscure glazed windows to the side elevations, and materials to front and rear elevations; replacing the front side boundary on the right hand side; and addition of solar panels, and air-conditioning units relocated at high level towards the rear of the house.

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