Demolition of outbuilding, minor alterations to dwelling, conversion of attached barn to additional accommodation, conversion of outbuilding to ancillary accommodation/garaging/storage, construction of hot tub enclosure, reroofing of detached outbuilding and various landscaping works.

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

Variation of Condition 2 (Approved Plans) pursuant to planning permission 16/2516/FUL: (Part conversion, part demolition and construction of new buildings to create four dwellings with associated access, parking and landscaping) to convert garage into habitable accommodation with external alterations and alterations to parking

DEMOLITION OF KEITH COTTAGES (BUILDING 166) AND PARTIAL DEMOLITION OF FROBISHER (BUILDING 142) AND WYKEHAM HALL (BUILDING 165). ERECTION OF SIX TWO STOREY DWELLINGS (WITH ACCOMMODATION IN ROOFSPACE) AND CONVERSION OF RETAINED BUILDINGS TO PROVIDE 14 FLATS TOGETHER WITH CAR PARKING, NEW VEHICULAR ACCESS, LANDSCAPING AND ASSOCIATED ANCILLARY DEVELOPMENT (Conservation Area) (as amended by plans received 30.08.2019 and 9.10.2020, Shadow HRA received 09.04.2020, Nutrient Balancing Assessment received 29.5.2020 and Construction & Demolition Environmental Management Plan received 16.09.2020)