Details of external noise levels from transport and industrial, commercial, cultural sources and mitigation measures pursuant to condition 6 of planning permission ref: 217150FUL dated 18/02/2022 for: Part two, part three storey rear extension to the existing 2 self-contained unit to create one additional self-contained unit with associated bin and cycle storage; installation of stairs to rear of property; alteration to external elevations

Details of materials for external surfaces pursuant to condition 3 of planning permission ref: 225402FUL dated 30/08/2023 for: Conversion of flat above from one residential unit into three flats incorporating change of use of part rear ground floor shop; rear extension to part ground, first, second and third floors; alterations to shopfront and formation of front entrance, conversion of roof to rear of No 22 to form rear amenity courtyard; replacement of existing concrete profiled tiles to No 22 with slate tiles; replacement boundary to No. 24 with side access on Gordon Road; changes to rear window openings at ground and first floor level; window opening to side elevation at first floor level; cycle and refuse storage; removal of external rear staircase and ground floor structure; construction of two mews houses with roof terraces and solar PV (following demolition of existing rear outbuildings/light industrial workshops)

Details of existing noise sources and sound insulation of the building envelope pursuant to condition 6 of planning permission ref: 225402FUL dated 30/08/2023 for: Conversion of flat above from one residential unit into three flats incorporating change of use of part rear ground floor shop; rear extension to part ground, first, second and third floors; alterations to shopfront and formation of front entrance, conversion of roof to rear of No 22 to form rear amenity courtyard; replacement of existing concrete profiled tiles to No 22 with slate tiles; replacement boundary to No. 24 with side access on Gordon Road; changes to rear window openings at ground and first floor level; window opening to side elevation at first floor level; cycle and refuse storage; removal of external rear staircase and ground floor structure; construction of two mews houses with roof terraces and solar PV (following demolition of existing rear outbuildings/light industrial workshops)

Details of enhanced sound insulation for the floor/ceiling/wall structures pursuant to condition 8 of planning permission ref: 225402FUL dated 30/08/2023 for: Conversion of flat above from one residential unit into three flats incorporating change of use of part rear ground floor shop; rear extension to part ground, first, second and third floors; alterations to shopfront and formation of front entrance, conversion of roof to rear of No 22 to form rear amenity courtyard; replacement of existing concrete profiled tiles to No 22 with slate tiles; replacement boundary to No. 24 with side access on Gordon Road; changes to rear window openings at ground and first floor level; window opening to side elevation at first floor level; cycle and refuse storage; removal of external rear staircase and ground floor structure; construction of two mews houses with roof terraces and solar PV (following demolition of existing rear outbuildings/light industrial workshops)

Details of external sound level from plant, machinery or equipment pursuant to condition 7 of planning permission ref: 225402FUL dated 30/08/2023 for: Conversion of flat above from one residential unit into three flats incorporating change of use of part rear ground floor shop; rear extension to part ground, first, second and third floors; alterations to shopfront and formation of front entrance, conversion of roof to rear of No 22 to form rear amenity courtyard; replacement of existing concrete profiled tiles to No 22 with slate tiles; replacement boundary to No. 24 with side access on Gordon Road; changes to rear window openings at ground and first floor level; window opening to side elevation at first floor level; cycle and refuse storage; removal of external rear staircase and ground floor structure; construction of two mews houses with roof terraces and solar PV (following demolition of existing rear outbuildings/light industrial workshops)

Submission of Ground and Airborne Building Vibration from Road Traffic, Industrial/Commercial Uses pursuant to Condition 19 of planning permission ref: 222341FUL dated 09/02/2023 for: 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

Conversion of flat above from one residential unit into three flats incorporating change of use of part rear ground floor shop; rear extension to part ground, first, second and third floors; alterations to shopfront and formation of front entrance, conversion of roof to rear of No 22 to form rear amenity courtyard; replacement of existing concrete profiled tiles to No 22 with slate tiles; replacement boundary to No. 24 with side access on Gordon Road; changes to rear window openings at ground and first floor level; window opening to side elevation at first floor level; cycle and refuse storage; removal of external rear staircase and ground floor structure; construction of two mews houses with roof terraces and solar PV (following demolition of existing rear outbuildings/light industrial workshops)

Side extension to existing industrial/office building (Mixed Use Class E(g)/B2/B8 )

Single storey (double height) front extension to existing Light industrial building (Use Class E(g))

Details of materials pursuant to Condition 3 of planning permission ref: 195258FUL dated 10.06.2020 for: 'Three storey side and rear extension to existing industrial premises'.