Listed Building Consent for restoration of Len House, rebuilding of 2 bays to Palace Avenue and associated new build works to provide a mixed-use development comprising: (i) Retention with alterations and change of use of Len House to provide commercial floorspace within the following uses - retail, financial and professional, cafe or restaurant, drinking establishment, offices, clinic or health centre, creche, or day nursery, gymnasium or indoor recreational purposes uses (within classes E, F2(a) and Sui Generis) at ground floor. (ii) Provision of 22no. residential apartments (class C3) at first floor by conversion and erection of a part rear first floor extension and provision of 58no. residential apartments (class C3) in a two storey roof extension with rooftop amenity space (iii) Associated landscaping to roof. (revised scheme to 20/501030/LBC).

Variation of Condition 1 of planning permission dated 22nd January 2020 (RN: 19/06551/FULL) for, 'Infilling of internal light wells at fourth to seventh floor levels to create additional office space (Class B1) together with extension at roof level to provide a new eighth floor level comprising four residential units with part mezzanine (Class C3), the recladding of light well walls with minor internal alterations, new residential entrance, and plant in an enclosure at roof level; NAMELY, to make the following amendments to the approved development - mansard structure constructed in steel rather than concrete; existing staircases enlarged to accommodate fire access and escape; internal reconfigurations to the 7th floor; changes to the approved lift overrun and stair core; internal re-configuration of the apartments; reconfiguration of green roofs; addition of green walls to terraces and alterations to fenestration. (Application under Section 73 of the Act).

Observations on a development within the adjoining Borough of Westminster with respect to: "Variation of Condition 1 of planning permission dated 12th August 2021 (RN:21/04250/FULL) for the: Alterations including 7th floor roof extension, alterations to office and retail entrances/shopfronts on Great Marlborough Street; reconfiguration of western lightwell elevation, installation of photovoltaic panels, green roofs, new extract ventilation duct and new plant enclosure at roof level and creation of office and residential terraces. Use of lower ground, part ground and part 1st to part 7th floors as offices (Class B1); use of part ground floor for dual/alternative retail (Class A1) or restaurant (Class A3) purposes; reconfiguration of existing flats and provision of one additional flat; use of basement to provide plant, cycle parking/showers waste storage and car parking (site includes 11 Ramillies Place). NAMELY, to allow various amendments at roof level including new roof plant and services, increased green roof, and other changes to the external appearance of the building." At: Turner House , 16 Great Marlborough Street, London, W1F 7HS

Variation of condition 2 of permission 20/02372/FULL1 (granted for re-development of site comprising extensions and elevational alterations to rear building, demolition and replacement/extension of middle building and extensions and elevational alterations to front building, with resultant buildings converted to provide 6 residential flats, 3 live-work units and 3 self-contained offices (Class B1(a)) together with the creation of private amenity areas for each unit, balconies to front building, refuse and cycle storage, widening of crossover, provision of parking turntable and 5 off-street car parking spaces) to allow enlargement of and layout changes to flats within the rear building and the formation of cantilevered balconies associated with these units (Units 1 - 4 consecutive), the lowering of the ridge of the rear building and amended roof profile, reconfiguration of parking spaces and car parking turntable and associated amendment to the wall of the middle building and door to commercial studios, and the omission of the front gate.

Amendments to planning permission dated 20 June 2016 (RN: 15/10444) for: Variation of Condition 1 of planning permission dated 8 December 2011 (RN10/01741/FULL) for development of 55-91 Knightsbridge (including retention of Knightsbridge and William Place facades) to provide retail (Class A1) at basement and ground floor levels, office ( Class B1) at part ground, first, and second floor levels and residential flats at part ground, part first,part 2nd and 3rd to 5th floor levels. Off street servicing and new sub basement car park. Removal and replacement of existing tree on William Street. Demolition of 1-2 William Street and its replacement with a redesigned building with internal linkages to 55-91 Knightsbridge. Restoration and repair of external facades and roofs to 3-7 William Street including reinstatement of original roof profile at 4 William Street, conversion of 1st to 3rd floor levels of 3 and 4 William Street for residential purposes ( Class C3). Namely, the substitution of new drawings to allow minor material amendments comprising a revised number and mix of residential units; the provision of a terrace for a residential unit on the western end of the building; erection of a lift shaft to the rear of 4 William Street; alterations to shopfront of Nos. 3 - 4 William Street; extension at 4th floor level to the rear of Knightsbridge; and reconfiguration of the fenestration. Namely, amendment to the external air vent at 4 William Street.

Non-material amendment to planning permission ref: 2020/01249/FUL granted 16th October 2020 for the 'Erection of a hip to gable end roof extension; lowering the ridge height of the main roof and erection of an additional floor at roof level; raising of the front and rear parapet walls; alterations to the first floor roof of back addition to include the installation of new rooflights; alterations to the front fenestration to include the installation of new windows at first floor level, new windows and doors at ground floor level to replace the existing doors and windows; alterations to the rear fenestration to include installation of new windows to replace the existing windows at ground floor level; removal of existing windows at first floor level to the rear elevation; lowering of internal floor level and change of use from office (Class B1) into residential (Class C3) in connection with the conversion into 2 x 2 bedroom self-contained flats.' Amendments to the description of development to read as follows: Erection of a hip to gable end roof extension; lowering the ridge height of the main roof and erection of an additional floor at roof level; raising of the front and rear parapet walls; alterations to the first floor roof of back addition to include the installation of new rooflights; alterations to the front fenestration to include the installation of new windows at first floor level, new windows and doors at ground floor level to replace the existing doors and windows; alterations to the rear fenestration to include installation of new windows to replace the existing windows at ground floor level; removal of existing windows at first floor level to the rear elevation; lowering of internal floor level and change of use from office (Class B1) into residential (Class C3) in connection with the conversion into 2 x 2 bedroom self-contained dwellinghouses.

Restoration of Len House and associated new build works to provide a mixed-use development comprising: (i) Retention with alterations and change of use of Len House to provide 3,612 sqm (GIA) flexible commercial floorspace within the following uses - retail, financial and professional, café or restaurant, drinking establishment, offices, clinic or health centre, crèche or day nursery, gymnasium or indoor recreational purposes uses (within classes A1/A2/A3/A4/A5/B1a/D1/D2 of the Town & Country Planning uses Classes Order) at ground floor, 18 No. residential apartments (C3) at first floor level, together with ancillary car parking. (ii) Erection of part rear first floor and two storey roof extension to provide 62 No. new residential apartments, with rooftop amenity space. (iii) Construction of two new buildings of up to 5-storeys to provide 79 No. residential apartments (C3) with amenity space. (iv) Provision of associated car parking, open space, earthworks including demolition of hardstanding and structures, and new boardwalk to north side, de-culverting the River Len and re-utilisation existing vehicular access points from Mill Street and Palace Avenue.

Listed Building Consent for restoration of Len House and associated new build works to provide a mixed-use development comprising: (i) Retention with alterations and change of use of Len House to provide 3,612 sqm (GIA) flexible commercial floorspace within the following uses - retail, financial and professional, café or restaurant, drinking establishment, offices, clinic or health centre, crèche or day nursery, gymnasium or indoor recreational purposes uses (within classes A1/A2/A3/A4/A5/B1a/D1/D2 of the Town & Country Planning uses Classes Order) at ground floor, 18 No. residential apartments (C3) at first floor level, together with ancillary car parking. (ii) Erection of part rear first floor and two storey roof extension to provide 62 No. new residential apartments, with rooftop amenity space. (iii) new boardwalk to north side.