Dual/alternative use for either continued office (Class E) or residential use (Class C3); installation of new ventilation grill to rear elevation; new drainage connection; shortening of external balcony door at base; layout alterations; and associated works. (Linked with 23/04288/FULL)

Enlargement of existing air intake grille and addition of a new one on the Duke Street elevation; removal of signage; removal of suspended ceiling at ground floor level; and internal alterations in association the use of the site as an office (Class E). (Linked with 23/06155/FULL)

Office refurbishment including internal alterations and installation of two air source heat pumps in rear lightwell area at ground floor level.

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)

Installation of one air conditioning unit to rear courtyard roof including internal fan coil units; Installation of secondary glazing to the existing sash window at first floor office unit. Linked with 23/04397/FULL

Replacement of observatory dome at roof level and internal and external decorations to the immediate area; replacement of flooring within the dome and repairs to the roof of the dome office using a liquid roof covering.

Removal of modern office fit-out and services, with associated works.

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)

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.

Refurbishment of part of the ground floor office space.