Internal alterations at all levels, Installation of 4x air source heat pumps at roof level, single-story extension to the existing rear ground floor to extend existing office use, erection of small closet extension to accommodate WCs at rear mid-ground/first and mid-first/second floors, replacement of non-original windows with double glazed timber sash windows, external repairs to building and associated works. (Linked with 22/05897/FULL)

Demolition and replacement of existing lower ground floor rear extension with lowered floor level and enlarged terrace above, infill of existing lower ground floor courtyard and creation of new courtyard at lower ground floor level, extend existing parapet along the first floor roof, partial infill of front lightwell, alterations to fenestration throughout including new access doors to ground floor terrace, replacement metal staircase to front lightwell, partial excavation and underpinning of lower ground floor level to lower floor level, internal alterations throughout all in connection with use of the building as a single family dwelling

External alterations including replacement of the attic style roofs with mansard roof extensions, installation of new mechanical plant within an enclosure, new sliding rooflight and replacement of the existing rooflight with a new rooflight and planters to proposed roof level terrace and raised parapet. Installation of new windows and doors. Associated internal alterations including replacement of lift from lower ground to third floor.

Demolition of rear extension at lower ground floor; replacement of front and rear elevation windows with new double glazed timber sash windows; installation of new paving slabs in the front lightwell; alteration to vault including replacement of doors and spaces converted into services and refuge storage, bike storage and general storage; landscaping of rear courtyard with stone flooring; external repair and redecoration of all building fabric elements and external areas; repair, levelling, strengthening of floors and other key structural elements; layout alterations and refurbishments; and associated works. (Linked with 23/04615/FULL)

Internal alterations and external alterations including refurbishment of the existing windows and the introduction of slimline double-glazed units into the existing frames; limited window replacement on rear elevation; extension to rear mansard roofslope; replacement of roof level plant and installation of plant screen; infill of redundant lightwells to all office floors; façade refurbishment works; and improvements at basement level to provide end of Trip facilities including showers and bike storage, introduction of a dry riser to the façade of 172 Piccadilly; replacement of five windows and doors to the rear elevation so they align with the terrace works approved under RN 23/015211/LBC and RN 23/01520/FULL (SIte includes 169 Piccadilly)

Alterations to the size and number of dormers to the rear roof extension serving Flat 4.1, re-positioning of the existing handrail to the front roof area and installation of a new roof access enclosure to the front part of the roof area and insertion of a high level window at basement level. Internal alterations comprising of reconfigured partitions at basement to fourth floor level and reconfiguration of staircase between ground and basement level.

Erection of a single storey rear extension at lower ground floor level, creation of terrace at rear ground floor, replacement of modern windows with appropriate traditional sash windows, thermal and glazing upgrades and internal alterations.

Internal alterations at all levels to accommodate office refurbishment, installation of 4 x heat pump units and photovoltaic panels at roof level, replacement of rear basement rooms and single storey extension to rear ground floor to extend existing office use, re-construction of existing wc closet extension at mid first/second floor level, replacement of existing window sashes with double glazed timber sashes, external repairs to building and associated works, all in connection with continued office use.

Internal alterations, re-modelling of basement rear extension, enlarged window from basement to garden, alterations to rear garden, balcony to ground floor rear over basement extension. (Linked with 22/03785/FULL)

Erection of single storey ground floor rear extension (part solid and part glazed infill), removal of vents on front facade windows, replacement rooflights at main roof level, and internal alterations (Linked with 23/02245/FULL).