Planning applications in W1U

Partial rear lightwell infill extension retaining a lower courtyard to the basement, reconstruction of the rear extension roof, internal refurbishment, replacement of the front door, front security enhancements including a new gate and repositioned step, and installation of an AC condenser unit in the front lightwell.

Replacement of two fixed high-level windows above the rear balcony door and fixed side screen with two recessed white powder-coated aluminium weather louvres serving internally located air-conditioning plant, and associated works.

Replacement of two fixed high-level windows above the rear balcony door and fixed side screen with two recessed white powder-coated aluminium weather louvres serving internally located air-conditioning plant, and associated works.

Installation of two roof-mounted anchor posts. (Linked to 26/06202/FULL)

Installation of 1,100 mm high protective railings along the existing roof-level access walkway. (Linked to 26/06176/LBC)

Variation of 25/04450/LBC to allow raising of the chimney stack to retain the same height relationship to the roof; formation of a brick party wall; provision of dormer windows to match neighbouring dormer profiles, alteration of the rear dormers to casement doors; and alteration to the proposed stair to the fourth floor. (Linked to 26/04651/FULL)

Certificate of lawfulness for an existing use or development to confirm that the development authorised by full planning permission ref. 22/08385/FULL & listed building consent (RN 22/08386/LBC) has lawfully commenced as a result of the works evidenced.

Replacing existing windows with new windows

Display of internally illuminated projecting sign, measuring 1160mm x 120mm, display of internally illuminated fascia sign, measuring 6685mm x 1065mm. other associated logos on awning and glazing. (Linked with 26/05756/LBC)

Replacement of existing windows to the front and rear elevations of the upper ground floor flat, including the rear fixed high-level windows, together with replacement of the rear balcony door and fixed side screen on a like-for-like basis, and associated works.

Display non illumnated hanging sign measuring 0.771m X 0.84m and non illuminated fascia sign 1.076m X 0.22m

Alterations of the roof to include three dormer windows.

Internal alterations including removal of the existing false ceiling and installation of a bathroom ventilation outlet to the rear elevation (Linked to 26/05450/FULL)

Replacement of rooftop plant and associated screening, switched kitchen extract/supplies, new access hatch to roof and installation of a pressurised stair system. (Linked with 26/05545/LBC)

Replacement of rooftop plant and associated screening, switched kitchen extract/supplies, new access hatch to roof (maintenance use) and installation of a pressurised stair system. (Linked with 26/05544/FULL)

Details of amended design of carriage doors, to the left-hand ground-floor opening; sash window with sidelights and infill beneath, to the right-hand ground-floor opening; upgrading of the existing front sash windows to accommodate double glazing (and methodology statement); conservation rooflights; and casement windows pursuant to condition 5 of planning permission dated 24 July 2026 (26/02870/FULL).

Addition of 2no. roof anchor points to the main roof and new ladder hooks to the internal upstand of the existing roof light.

Refurbishment and reconfiguration of existing dwelling including, alterations to front and rear facade including replacement of garage door with window, installation of new railings, installation of rear rooflights, replacement/ re-positioning of windows and doors, new replacement roof and associated works.

Display of non-illuminated fascia sign measuring 0.18m x 0.90m; non-illuminated hanging sign measuring 0.40m x 0.60m; and glass mounted sign measuring 0.18m x 0.90m. (Linked with 26/05494/FULL)

Repainting of the shopfront. (Linked with 26/05495/ADV)

Infill of arrow slit window in north gable; conversion of existing fanlight to louvres; modifications to doors; amalgamation of bedrooms 17 & 18; and function room to north-east corner of basement. (Linked with 26/05305/NMA)

Internal alterations including the removal of the false ceiling, and the installation of a bathroom vent at the rear of the property (Linked to 26/05646/LBC)

Use of the ground floor for Dual Use as Retail (Class E (a)) and Caf/e (Class E (b)) for a temporary period of 20 years.

Display for a temporary period of six months of a non-illuminated 'to let' board attached to the railings at ground floor level and measuring 0.45mm x 0.6mm.

Installation of external air condensers to lower-ground lightwell with corresponding internal alterations to lower-ground floor - third floor including: degassing and associated piped heating system, installation of fan coil units and panel heaters, acoustic improvements and slimline double glazing throughout. (Linked with 26/05399/LBC)

Installation of external air condensers to lower-ground lightwell with corresponding internal alterations to lower-ground floor - third floor including: degassing and associated piped heating system, installation of fan coil units and panel heaters, acoustic improvements and slimline double glazing throughout. (Linked with 26/05398/FULL)

Removal of existing Luxcrete panelled pavement and replacement with York stone paving slabs outside 1 Marylebone High Street; and addition of textured porcelain tiles to office entrance step.

Addition of two roof anchor points and access ladder hooks to the internal upstand of the existing roof light.

Amendments to planning permission dated 28th February 2025 (RN: 23/02315/FULL) for, "Use of the fire station as a 26 bed hotel (Class C1). Demolition of part of the existing building at the rear, including demolition of enclosures in the ground floor and basement courtyards and demolition of the steel practice tower. Erection of a part three and five-storey wing to main building. Excavation of courtyard to create basement level accommodation, including plant room. Rear extensions to main building. External and internal alterations"; Namely, infill of existing arrow slit window in north gable, new dishwasher extract onto Broadstone Place, new internal floorplans to reflect enlarged doorways and escape routes and the reversing of a doorway onto Chiltern Street for service access, amendments to description of development to state up to 26 bedrooms and alterations to basement layout and use to include basement function roo

Display pf externally illuminated hanging sign measuring 0.85m x 0.85m and vinyl behind shopfront glazing measuring 0.20m x 1.00m.

Minor internal structural repairs to cracked walls at First Floor (Level 1) and Second Floor (Level 2).

Installation of two anchor points to the existing pitched roof and new ladder hooks to the internal face of the existing roof light upstanding.

Display of non illuminated fascia and hanging signs measuring 0.28m x 0.85m and 0.35m x 0.70m. (Linked with 26/05234/FULL)

Replacement shopfront.

Replacement of the existing French doors to the external terrace of the fourth floor flat with a new set of timber double glazed doors and side light. (Linked with 26/05215/LBC)

Installation of secondary glazing to existing single glazed windows. Replacement of existing French doors to the external terrace of the fourth floor flat with a new set of timber double glazed doors and side light. (Linked with 26/05214/FULL)

Replacement shopfront. (Linked with 26/05177/ADV)

Replacement of two polycarbonate domed rooflights with timber framed rooflights. (Linked with 26/05185/LBC)

Display of non-illuminated fascia and hanging sings measuring 0.30m x 0.75m and 0.60m x 0.60m. (Linked with 26/05176/FULL)

Replacement of three Georgian wired timber framed rooflights with double glazed timber framed rooflights. (Linked with 26/05183/LBC)

Replacement of two polycarbonate domed rooflights with timber framed rooflights. (Linked with 26/05184/FULL)

Replacement of three Georgian wired timber framed rooflights with double glazed timber framed rooflights. (Linked with 26/05182/FULL)

Display for a temporary period of six months of a non-illuminated 'to let' board located on the face of the building at a height of between 3m and 4.6m above pavement level and measuring 1.2m x 0.9m.

Installation of three fire rating existing historic stores and doors to the second and third floor communal areas.

Internal reconfiguration and refurbishment of the existing residential building to improve the layout of six self-contained flats, together with associated internal alterations, minor external alterations to the rear elevation, replacement of windows and doors where shown, and associated mechanical, electrical and fire safety works. (Linked with 26/05052/FULL)

Internal reconfiguration and refurbishment of the existing residential building to improve the layout of six self-contained flats, together with associated internal alterations, minor external alterations to the rear elevation, replacement of windows and doors where shown, and associated mechanical, electrical and fire safety works. (Linked with 26/05053/LBC)

Details of written photographic specification of the materials; exterior of the new extension; new windows, rooflights, and doors; new roof balustrade to rear; and new solar panels pursuant to conditions 4 and 5 of planning permission dated 03 November 2025 (RN: 25/04449/FULL).

Replacement of flat entrance door with a new fire rated door.

Display of externally illumnated fascia sign measuring 5.605m X 0.685m and non illuminated projecting sign 0.8m X 0.644m

Display of an illuminated suspended sign measuring 4m x 5.3m over Marylebone Lane for a temporary period from 18th September 2026 to 18th September 2029.