Planning applications in W1G

Flat 6 39 Wimpole Street London W1G 8YE

Replacement of a painted timber roof top roof light to match existing. (Linked with26/05602/LBC)

3 Cavendish Square London W1G 0LB

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.

14 Cavendish Square London W1G 9DB

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 (Part 1,2,3 and 6) and Condition 9 of Listed Building Consent dated 11th March 2026 (RN: 25/07887/LBC).

14 Cavendish Square London W1G 9DB

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)

14 Cavendish Square London W1G 9DB

Details of photographs and specification of facing materials; external doors, windows, sliding roof lights, and railings; and all sides of roof access pursuant to conditions 21, 25 and 26 of planning permission dated 11 March 2026 (RN: 25/07886/FULL). (Linked with 26/05855/ADLBC)

Underground Car Park Cavendish Square London W1G 0PG

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

2 Mansfield Street London W1G 9NZ

Installation of full fibre cables on and through the building.

Flat 4 33 Wimpole Street London W1G 8GU

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

Flat 4 33 Wimpole Street London W1G 8GU

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

1 Welbeck Street London W1G 0AR

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

3 Cavendish Square London W1G 0LB

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

1 - 7 Harley Street London W1G 9QD

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.

Underground Car Park Cavendish Square London W1G 0PG

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.

12 Devonshire Street London W1G 7AB

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.

37 Harley Street London W1G 8QG

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

6 Upper Wimpole Street London W1G 6LG

Details of method statement for historic floor coverings pursuant to condition 7 of listed building consent granted at appeal dated 22 December 2025 (Appeal B Ref: APP/X5990/Y/25/3371071)(RN: 25/00101/HBREF).

Flat 11 Maybury Court Marylebone Street London W1G 8JE

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

4 Devonshire Close London W1G 7BA

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)

6 Upper Wimpole Street London W1G 6LG

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

Flat 41 2 Mansfield Street London W1G 9NF

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

Flat 41 2 Mansfield Street London W1G 9NF

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

Flanders House 1A Cavendish Square London W1G 0PH

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

8 Devonshire Close London W1G 7BA

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

Orbis House 5 Mansfield Street London W1G 9NG

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)

Orbis House 5 Mansfield Street London W1G 9NG

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)

14 Cavendish Square London W1G 9DB

Detailed drawings of the sliding roof lights above stair leading to roof terrace showing adjoining fabric and key details and detailed study and drawings of the roof light over the stair and its relationship to the existing decorative plasterwork pursuant to condition 3 (5) and (8) of listed building dated 11th March 2026 (RN:25/07887/LBC)

57 - 59 Welbeck Street London W1G 9BL

installation of new extraction ducting to the rear elevation.

Harmont House 20 Harley Street London W1G 9PH

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

Flat 2 St Davids House 16 New Cavendish Street London W1G 8UP

Details of panelled timber doors, reflected ceiling plans, and sections, pursuant to conditions 3 and 4 of listed building consent dated 16 June 2026 (RN: 26/03520/LBC)

6 Upper Wimpole Street London W1G 6LG

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)

6 Upper Wimpole Street London W1G 6LG

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 pursuant to condition 8 of planning permission granted at appeal dated 22nd December 2025 (RN:APP/X5990/W/25/3371070)

4 Marylebone Mews London W1G 8PY

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

4 Marylebone Mews London W1G 8PY

Internal refurbishment including replacement of glazing to windows, clerestory, rooflights, entrance door and sidelights and minor external alterations. [Linked to 26/04439/FULL]

6 Upper Wimpole Street London W1G 6LG

Details of a risk assessment to identify the potential risks associated with any contamination pursuant to Condition 4 of planning permission 24/06468/FULL granted at appeal dated 22nd December 2025 (RN:APP/X5990/D/25/3371070)

11 - 13 Cavendish Square London W1G 0AN

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

11 - 13 Cavendish Square London W1G 0AN

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

6 Upper Wimpole Street London W1G 6LG

Details of a methodology for tanking works to the vaults, including a section through vault tanking and location of drains and pumping equipment pursuant to condition 2 of listed building granted at appeal dated 22.12.2025 (Planning Inspectorate RN:25/00101/HBREF ; Council RN: 25/00101/HBREF and 24/06469/LBC)

34 Devonshire Close London W1G 7BE

Installation of two side dormers.

11 - 13 Cavendish Square London W1G 0AN

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

11 - 13 Cavendish Square London W1G 0AN

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

113 - 115 Harley Street London W1G 6AP

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)

113 - 115 Harley Street London W1G 6AP

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)

26 - 27 Devonshire Street London W1G 6PH

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 illumnated awning signs measuring 0.5m x 0.7m and one non illuminated projecting sign measuring 0.1m x 0.3m.

57 Harley Street London W1G 8QS

Erection of rooftop plant and acoustic enclosure.

35 Wimpole Street London W1G 8GY

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 measuring 0.6 x 0.45m

6 Upper Wimpole Street London W1G 6LG

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 5 of appeal decision APP/X5990/Y/25/3371071 dated 22 December 2025.

5 - 10 Beaumont Street London W1G 6AA

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.

6 Upper Wimpole Street London W1G 6LG

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.

6 Upper Wimpole Street London W1G 6LG

Details of tree report; pursuant to Condition 6 (Part 1) of Appeal Decision APP/X5990/W/25/3371070, dated 22nd December 2025,

Flat 2 50 Harley Street London W1G 9PX

Internal alterations.