Planning applications in W1G

Installation of new sesame lift into existing front entrance steps. (Linked with 26/06341/FULL)

Variation of Condition 1 of planning permission dated 22 December 2026 (RN: 16/05372/FULL) for: Demolition of mews buildings at 28 and 29 Devonshire Mews West and lower ground and ground floor link building at the rear of 141 Harley Street and the erection of new building to include a three storey basement to the rear of the site in connection with the use of the 141 Harley Street and the lower ground and ground floor of 143 Harley Street for Class D1 medical purposes; installation of a new passenger lift to the rear of 141 Harley Street and installation of plant. (Site includes excavation part way under the pavement of Devonshire Mews West and use swap with 126 Harley Street) namely, to allow creation of party wall openings at basement, ground and first floors; insertion of a platform lift within No. 143 from basement to first floors; partial infilling of the rear basement area; and other minor adjustments to plan form. (Linked with 26/06290/LBC)

Installation of new sesame lift into existing front entrance steps. (Linked with 26/06342/LBC)

Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06249/FULL)

Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06250/LBC)

Reinstatement of metal access stair within the lightwell of the townhouse and the new metal access stair within the lightwell to the lower ground floor flat in the Link building. (Linked with 26/05974/LBC)

Installation of a replacement timber rooflight at main roof level. (Linked with 26/05602/LBC)

Replacement of a painted timber roof top roof light to match existing.

Renewal for a temporary period of six months for the display of a non-illuminated 'to let' board attached to the railings in front of the building at street level measuring 0.6m x 0.45m.

Details of doors (external) showing adjoining fabric and key details, windows showing adjoining fabric and key details, sliding roof lights above stair leading to roof terrace showing adjoining fabric and key details, works to the vaults, including any tanking and all sides of roof access leading to roof top terrace to be solid not glazed pursuant to conditions 3 (1,2,3 and 6) and 9 of Listed Building Consent dated 11th March 2026 (RN:25/07887).

Details of railings showing adjoining fabric and key details, including detailed drawings with historic building commentary of proposals, including decorative schemes to the rooms behind the front facade, hall, principal stair and stair volume and front external light well. This should include fireplaces, decorative joinery, decorative plaster work and floorboards; pursuant to condition 3(part4,7) of Listed Building consent dated 11th March 2026 (25/07887/LBC)

Details of Site Environmental Management Plan pursuant to condition 3 of planning permission dated 24 May 2022 (RN: 19/08460/FULL).

Installation of full fibre cables on and through the building.

Replacement of six front windows and two rear windows. (Linked with 26/05571/FULL)

Replacement of six front windows and two rear windows. (Linked with 26/05572/LBC)

Internal fit out of office space on the fourth and fifth floor level.

Display of non-illuminated advertisement panels on the existing hoardings located on the Harley Street and Wigmore Street facades, for a temporary period until 31.8.2027.

Installation of ventilation ductwork, intake ducts and louvres. (Land To The Rear Of 1-2 Welbeck Street)

Amendments to planning permission dated 24th May 2022 (RN:19/08460/FULL) for Demolition and erection of above ground structures in conjunction with the use of an underground car park (Sui Generis) as a flexible mixed use commercial development comprising uses within the following use classes A1-A5, B1,B2, B8, C1, C2, D1, and D2 along with the excavation of a 4th basement level, new entrances and associated landscaping and highways works to provide up to 25,953 sqm (GIA) of floorspace. Namely, a series of updated drawings relating to the southern entrance, gardeners pavilion, northeast pavilion, and the extent of pavement lights and grilles.

T1 - London Plane (rear) - Large courtyard tree extending over adjacent buildings and gardens - Remove deadwood throughout crown - Carry out an aerial inspection of tree canopy to visually inspect for Massaria app and remove affected branches if found - Prune to clear client's building and ensure 2m clearance minimum.

Installation of secondary glazing to the arched window at ground floor level.

Details of protection of historic floor pursuant to condition 7 of listed building consent granted at appeal dated 22 December 2025 (RN: 25/00101/HBREF)

Replacement of existing single-glazed timber-framed windows at Fourth Floor, Flat 11, Maybury Court with new double-glazed timber-framed windows.

Details of windows, PV panels and doors / facing materials / brickwork salvage / brickwork samples / redesigned garage doors pursuant to conditions 4, 5, 10, 11 and 12 of planning permission dated 19 November 2025 (RN: 25/04318/FULL)

Installation of replacement timber sash windows at various levels on the front and rear elevations.

Installation of external AC condenser at main roof level, associated connection to Flat 41 and associated internal modifications. (Linked with 26/05036/LBC)

Installation of external AC condenser at main roof level, associated connection to Flat 41 and associated internal modifications. (Linked with 26/05035/FULL)

Maintenance and repair works to the external elevations of the building including ironwork and windows.

Details of the Wisteria Protection Method Statement pursuant to condition 5 of planning permission dated 2nd July 2026 (RN: 25/08533/FULL).

Provision of guarding system to provide safe access for maintenance across the roof; alteration at south elevations omitting window SFW11 from the new WC, remove the existing RWP from the internal courtyard corner, removal of the existing plastic section of a redundant vent pipe at lower level and retain original lead; new cast iron rain water pipes at west elevation; and internal layout alterations at basement, ground, 2nd, 3rd floors. (Linked with 26/04873/NMA)

Amendments to planning permission dated 05 September 2024 (RN: 24/01895/FULL) for: new courtyard surface including walk-on rooflight; window and door alterations; new window to Mansfield Mews at second floor level; new rooflights; repairs to roof and external brickwork; erection of new staircase in front area lightwell; partial infill of rear lightwell at ground floor level; erection of roof terrace; installation of PV panels at roof level; and associated works namely; to allow provision of guarding system to provide safe access for maintenance across the roof; alteration at south elevation omitting window SFW11 from the new WC, remove the existing RWP from the internal courtyard corner, removal of the existing plastic section of a redundant vent pipe at lower level and retain original lead; new cast iron rain water pipes at west elevation; and internal layout alterations at basement, ground, 2nd, 3rd floors. (Linked with 26/04876/LBC)

Installation of new flue to the rear elevation

Details of crittal styled doors / reflected ceiling plans showing lighting and new cornicing (a), sections showing suspended ceilings (b), elevations showing opening between front rooms (c) pursuant to condition 3 and 4 of listed building consent dated 16 June 2026 (RN: 26/03520/LBC)

Roof maintenance works to include the removal and replacement of the existing roof coverings to Harmont House and Milford House (SITE INCLUDES MILFORD HOUSE)

Details (photographs and/or manufacturers' specifications) of the external facing materials to be used, including elevations and roof plans annotated to show where the materials are to be located, in the construction of the works pursuant to condition 3 of listed building granted at appeal dated 22nd December 2025(RN:APP/X5990/Y/25/3371071)

Details of a risk assessment pursuant to condition 4 granted at appeal dated 22nd December 2025 (RN:APP/X5990/D/25/3371070)

Replacement of glazing to windows, clerestory, rooflights, entrance door and sidelights. [Linked to 26/04440/LBC]

Internal refurbishment of existing Studio Mews house including replacement of glazing to rooflights and minor external alterations. [Linked to 26/04439/FULL]

Replacement roof lantern and roof tiles. (Linked with 26/04387/FULL)

Replacement roof lantern and roof tiles. (Linked with 26/04388/LBC)

Installation of two side dormers.

Replacement flue to accompany new boiler. (Linked with 26/04319/LBC)

Replacement flue to accompany new boiler. (Linked with 26/04318/FULL)

Installation of a platform lift to the basement Area at 113-115 Harley Street to the Devonshire Street (north) side of the property. (Linked with 26/04267/LBC)

Installation of a platform lift to the Basement Area at 113-115 Harley Street to the Devonshire Street ( north ) side of the property. (Linked with 26/04266/FULL)

Display of two externally illuminated bronze plaque sign measuring 0.25m x 0.25m, one internally illuminated menu box measuring 0.45m x0.25m, three non illuminated awning signs measuring 0.5m x 0.7m and one non illuminated projecting sign measuring 0.1m x 0.3m.

Erection of rooftop plant and acoustic enclosure.

Display for a temporary period of six months of a non-illuminated estate agent board attached to the railings in front of the building at street level and measuring 0.6 x 0.45m

Details of new external doors, including French doors and those into the courtyard; new roof lanterns and roof lights; new windows; and acoustic enclosure and wall lining for the condensing unit pursuant to condition 9 of appeal decision APP/X5990/Y/25/3371070 dated 22 December 2025.

Replacement and installation of four louvres to the western elevation at basement level, removal of some existing plant and introduction of five new condensers within the lightwell at basement level and a further chiller unit within enclosure at roof level.