Alterations to the existing roof, including the replacement of the existing basecoat and combed wheat covering with a longstraw thatch roof; introduction of new roof members and leadwork to augment the existing roof and a change in the profile of the eyebrow dormer windows to hipped dormer windows (development already carried out).

Internal alterations comprising of temporary removal of a wc on the ground floor of the mansion house and installation for temporary walls and windows within existing door frames and in between the timber columns of the Cloisters (amended description of development).

Proposed development to include rear extension, internal alterations, alterations to window and door finishes, and replacement of existing external metal stair, with associated works.

Alterations to buildings to facilitate mixed used development including removal/replacement of staircases, removal of buttress walls, creation of new window and door openings, alterations to windows, floors, ceilings and external floorscape (Application under Regulation 3 - 1992)

erection of 2-bay carport and associated development, windows to be stained black, alterations and creation of windows and doors, increase eaves height on North-East elevation, garage conversion to habitable accommodation, internal alterations and replace existing gate with sliding gate

Repairs to existing window frames; glass replacement of existing single glazed windows to timber sash and casement windows with laminated glass; replacement of single glazing within timber French doors to laminated glass; internal alterations comprising the refurbishment of the central staircase; removal of internal partitions, forming new opening in walls and new partitions to the first floor bathroom; and structural wall strengthening works including in the front bedroom, front living room and bathroom floor (amended development description)

Variation of condition 1 of planning permission dated 3 March 2020 (RN 19/09981/LBC) for the Variation of condition 1 of listed building consent dated 20 February 2016 (RN: 15/10446/LBC) for the: Development of 55-59 Knightsbridge (including retention of Knightsbridge facades, demolition and the dismantling and reinstatement of roofs and chimneys) to provide retail (Class A1) at basement and ground floor levels and 18 residential flats at first, part second floor and third to fifth floor levels. Demolition of 1-2 William Street and its replacement with a redesigned building with internal linkages to 55-91 Knightsbridge. Namely, to allow alterations to William Street Residential Entrances, door to Wilton Place, fenestration changes to rear facade, increased lift Shaft to rear face of William Street, merlons to west elevation, West façade end bay reconstructed, chimneys to coping stone detail in mansard, pavilion gable apex roof stones, ridge height of mansard roofs, projecting signs to shopfronts, retained parapet to no. 55 Wilton Place, general layout alterations, and associated works from RN 19/09981/LBC, NAMELY, to vary the approved drawing numbers to amend the design of the external vent at no. 4 William Street and the removal of a ceiling at third floor level.

Change of use, refurbishment and extension of 153 High Street from Sui Generis (car dealership) to accommodate retail (Class A1) within an extended ground floor unit and 5 No. residential (Class C3) units (2 No. x 1 bedroom apartments, 1 No. x 2 bedroom apartment, and 2 No. x 2 bed mews cottages) accommodated within a two storey rear extension; part-demolition of 151 High Street front extension and refurbishment and change of use of 151 High Street from Sui Generis (car dealership) to 1 No. x 3 bedroom dwelling house (Class C3) including erection of one front dormer window at roof level, reinstatement of front entrance door, various re-arrangements, internal refurbishments, ancillary development and landscaping. Internal alterations to no.151 including replacement of existing internal doors with timber doors, removal of partition wall to kitchen, restoration of panelling, installation of baskets and slips to blocked up fireplaces