Planning applications in W1G

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.

2 Mansfield Street London W1G 9NZ

Installation of an external air conditioning condenser unit at main roof level and associated external pipework (Flat 41).

2 Mansfield Street London W1G 9NZ

Installation of external air conditioning condenser unit at main roof level, associated external pipework and associated internal modifications (Flat 41).

6 Upper Wimpole Street London W1G 6LG

Details of adherence to code of construction practice pursuant to condition 5 of planning permission (24/06468/FULL) granted at appeal dated 22 December 2025 (RN: 25/00100/TPREF)

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.

62 Harley Street London W1G 7HA

Installation of condenser units at external basement vaults with acoustic louvered door installed, including associated internal works. (Linked with 26/04012/LBC)

62 Harley Street London W1G 7HA

Installation of condenser units at external basement vaults with acoustic louvered door installed, including associated Internal works. (Linked with 26/04011/FULL)

41 Devonshire Place London W1G 6JY

Detailed drawings of the platform and its relationship/attachment to the roof structure and roof covering pursuant to condition 8 of planning permission dated 30th April 2026 (RN 25/09208/FULL)

41 Devonshire Place London W1G 6JY

Detailed drawings (Scale 1:20) of the platform and its relationship/attachment to the roof structure and roof covering pursuant to condition 3 of listed building dated 30th April 2026 (RN:25/09209/LBC)

32 Devonshire Mews West London W1G 6QF

New external render to the front elevation.

Ground Floor 8 Cavendish Square London W1G 0PD

New entrance door and associated canopy to the existing ground floor unit.

16 Beaumont Mews London W1G 6EJ

Details of new windows and doors; facing materials; plant screen; and sample of the glass intended for the rear elevation pursuant to Conditions 7, 8, 9 and 13 of planning permission dated 09 April 2026 (RN: 25/07149/FULL)

34 Devonshire Close London W1G 7BE

Conversion of the existing garage (at 34a) into habitable accommodation and associated replacement of the front garage doors and front entrance door; installation of replacement front and rear windows; raising existing glass roof at rear and the installation of a rooflight at the top roof.

6 Upper Wimpole Street London W1G 6LG

Installation of an automatic fire suppression (sprinkler) system.

6 Upper Wimpole Street London W1G 6LG

Details of method statement pursuant to condition 8 of appeal decision dated 22nd December 2025 APP/X5990/Y/25/3371071 (RN: 24/06469/LBC).

16 Beaumont Mews London W1G 6EJ

Variation of Condition 1 (approved plans) and Condition 2 (Code of Construction Practice) of planning permission 24/03039/FULL dated 19th February 2025 for the 'Excavation of single storey basement and demolition and replacement of the mews building with an additional mansard storey to provide additional residential floorspace including the installation of an air source heat pump at roof level (Class C3)'; namely to allow the development to be carried out in two phases and to secure the submission and approval of the Code of Construction Practice on a phase-specific basis. (Application under Section 73 of the Act).

6 Upper Wimpole Street London W1G 6LG

Details of methodology for tanking works to vaults pursuant to condition 8 of listed building consent dated 22 May 2025 (RN: 24/06678/LBC)