Planning applications in W1G

37 Harley Street London W1G 8QG

Installation of two air condenser units within acoustic enclosure to front lightwell and three fan coil units internally to ground floor level. (Linked with 26/03517/FULL)

37 Harley Street London W1G 8QG

Installation of two air condenser units within acoustic enclosure to front lightwell. (Linked with 26/03518/LBC)

20 - 21 Cavendish Square London W1G 0RN

Installation of replacement roof top plant with a dummy mansard roof extension, replacement plant at ground floor and new third floor roof structure and new substation at the lower ground floor. [Linked to 26/03509/FULL]

20 - 21 Cavendish Square London W1G 0RN

Installation of replacement roof top plant with a dummy mansard roof extension, replacement plant at ground floor and new third floor roof structure and new substation at the lower ground floor. [Linked to 26/03510/LBC]

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

Internal refurbishment and refit of second floor flat; installation of external boiler flue to rear.

33 Devonshire Mews West London W1G 6QF

Details of waste and recycling storage / sample of natural slate for roof pursuant to conditions 3 and 8 of planning permission dated 08 August 2023 (RN: 23/03331/FULL)

33 Devonshire Mews West London W1G 6QF

Details of sample of clear glass / sample of obscure glass for privacy screen pursuant to conditions 9 and 10 of planning permission dated 08 August 2023 (RN: 23/03331/FULL)

7 Upper Wimpole Street London W1G 6LQ

Use of the site as a single planning unit or dwelling (Class C3). [SITE INCLUDES 7 DEVONSHIRE MEWS SOUTH].

13 Harley Street London W1G 9QG

Details of new double-glazed windows at third and fourth floor levels pursuant to conditions 5 (7) of listed building consent dated 16 September 2025 (RN: 25/04782/LBC)

9 Cavendish Square London W1G 9DF

Installation of CCTV cameras at Ground Floor; and louvres in place of existing windows at Lower Ground Floor (above existing doorset).

Hahnemann House 32 Welbeck Street London W1G 8EU

Alteration and improvement of existing heating and cooling to the Chapel through reinstatement of a working fan to dome, installation of fan coil units and an associated air source heat pump, removal of existing wall heating panels, and opening of fixed windows. (Linked to 26/03230/LBC)

Hahnemann House 32 Welbeck Street London W1G 8EU

Alteration and improvement of existing heating and cooling to the Chapel through reinstatement of a working fan to dome, installation of fan coil units and an associated air source heat pump, removal of existing wall heating panels, and opening of fixed windows. (Linked to 26/03229/FULL)

20 - 21 Cavendish Square London W1G 0RN

Display of a flag measuring 2.15m x 1.12m.

Ground Floor 23 Wimpole Street London W1G 8GP

Internal alterations to lower ground floor flat.

1 Welbeck Street London W1G 0AR

Details of cladding sample / external profile of new extension pursuant to condition 2 of listed building consent dated 13 May 2025 (RN: 25/01758/LBC)

1 Welbeck Street London W1G 0AR

Detailed drawings; of fully finished 0.5sqm sample of the cladding, including jointing / seams and detailed elevations and sections at a scale of 1:20 of the external profile of the new extension, including abutments with the existing building and external rainwater goods pursuant to Condition 4 of planning permission dated 13th May 2025 (RN:25/01757/FULL)

6 Upper Wimpole Street London W1G 6LG

Details of root pruning / root pruning impact assessment pursuant to Conditions 13 and 14 of planning permission dated 23 May 2025 (RN: 24/06677/FULL)

30B Wimpole Street London W1G 8YB

Use of Basement, Ground, First and Second Floors for Medical Purposes (Use Class E (e)) for a temporary period of 20 years.

66 Harley Street London W1G 7HD

Installation of two non-illuminated plaques, measuring 30cm x 20cm.

30 Weymouth Street London W1G 7BS

Retrospective installation of fan coil units to the ground and first floor, with erection of rear outdoor condensers and associated pipework and acoustic enclosure. [Linked to 26/02944/FULL]

30 Weymouth Street London W1G 7BS

Retrospective installation of fan coil units to the ground and first floor, with erection of rear outdoor condensers and associated pipework and acoustic enclosure. [Linked to 26/02945/LBC]

43 Welbeck Street London W1G 8DX

Alterations to the existing building to provide dual Office (Class E (g) and Healthcare (Class E (e)) floorspace at lower ground to third floor, comprising, rear extension and retrofit of existing outrigger and extension at lower-ground and first floor, internal alterations, creation of terraces and replacement and installation of external plant. (Linked to 26/02956/LBC)

43 Welbeck Street London W1G 8DX

Alterations to the existing building to provide dual Office (Class E (g) and Healthcare (Class E (e)) floorspace at lower ground to third floor, comprising, rear extension and retrofit of existing outrigger and extension at lower-ground and first floor, internal alterations, creation of terraces and replacement and installation of external plant. (Linked to 26/02955/FULL)

45 Queen Anne Street London W1G 9JE

Installation of a quench pipe externally enclosed with a brick slip finish.

Flat 3 82 New Cavendish Street London W1G 9TA

Various internal alterations including removal and reconfiguration of partitions; rationalisation of bathroom and WC arrangements; reinstatement of previously obscured window opening; introduction of new joinery and kitchen fittings associated internal refurbishment works.

1 Welbeck Street London W1G 0AR

Erection of an extension at sixth floor of 1-2 Welbeck and associated works.

8 Wimpole Street London W1G 9SP

London Plane Prune back to most recent previous reduction posts leaving shortened furnishing growth and 50% of internal fine branch structure. Excessive shading. Prudent, periodic tree management.

17 Welbeck Street London W1G 9XJ

Detailed drawings (scale 1:20 and 1:5) of the new doors, with key details and locations, including labelled and located photographs of existing to be replaced pursuant to condition 4 of listed building consent dated 3rd March 2026 (RN: 25/06438/LBC)

48 Harley Street London W1G 9PU

Internal alterations in the form of new stud wall partitions to lower ground floor.

Flat 1 46 Wimpole Street London W1G 8SD

Replacement of 3 bottom sashes. [Linked to 26/02726/LBC]

Flat 1 46 Wimpole Street London W1G 8SD

Replacement of 3 bottom sashes. [Linked to 26/02725/FULL]

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, design refinements to Level 04, the South East Pavilion (lifting pavilion), the South West Lift and the North Pavilions.

32 Devonshire Mews West London W1G 6QF

Details of samples and specifications of the facing materials to be used, including glazing, and elevations and roof plans annotated to show where the materials are to be located and detailed drawings of new doors, windows and garage doors pursuant to discharge of condition 3 and 5 of planning permission dated 4th June 2025 (RN: 25/01162/FULL).

58 Queen Anne Street London W1G 8HW

Details of schedule of salvaged materials and details of their reuse, or disposal where damaged beyond reuse pursuant to condition 3 of listed building dated 26th June 2023 (RN:22/08486/LBC)

58 Queen Anne Street London W1G 8HW

Details of schedule of salvaged materials and details of their reuse, or disposal where damaged beyond reuse pursuant to condition 15 of planning permission dated 26th June 2023 (RN:22/08485/FULL)

58 Queen Anne Street London W1G 8HW

Detailed supplementary acoustic report pursuant to condition 8 of planning permission dated 26th June 2023 (RN:22/08485).

93 Harley Street London W1G 6AD

Installation of one external signage plaques.

15 - 19 Cavendish Place London W1G 0QE

Erection of two storey mansard roof extension with associated dormer windows, plus extension on sixth floor to provide additional office (Class E) accommodation including plant space and green roof, infill of courtyards at ground and lower ground floors, extensions within southeast corner at first-fifth floor levels to provide terraces and an external staircase to rear of building, new glazing to existing windows, new shopfront with lowered cills for new active frontage at ground floor level.

24 De Walden Street London W1G 8RN

Amendments to planning permission dated 16th April 2024 (RN:24/00292/FULL) for: Refurbishment of 24 & 26 De Walden Street, including new double glazed windows, replacement of existing rooftop access with extension and outdoor terrace, installation of external air source heat pump and an external store to the underside of the lightwell bridge stair namely, to amend window design to include a small sash horn detail.

6 Upper Wimpole Street London W1G 6LG

Details of methodology for tanking works to vaults, including section through vault tanking and location of drains and pumping equipment pursuant to condition 8 of listed building consent dated 22nd May 2025 (RN: 24/06678/LBC).

Flat 45 2 Mansfield Street London W1G 9NF

Roof extension to the existing mansard roof with associated elevational alterations on the Duchess Street and Rear Elevation, alterations to the existing mansard roof on the Mansfield Street Elevation including a new dormer window and the replacement of the existing external doors, two new rooflights at main roof level, installation of two external air conditioning (AC) condensers at main roof level, replacement of existing rooflights and windows, installation of new external cupboard at terrace level and internal reconfigurations throughout. (Linked with 26/02045/LBC)

Flat 45 2 Mansfield Street London W1G 9NF

Roof extension to the existing mansard roof with associated elevational alterations on the Duchess Street and Rear Elevation, alterations to the existing mansard roof on the Mansfield Street Elevation including a new dormer window and the replacement of the existing external doors, two new rooflights at main roof level, installation of two external air conditioning (AC) condensers at main roof level, replacement of existing rooflights and windows, installation of new external cupboard at terrace level and internal reconfigurations throughout. (Linked with 26/02044/FULL)

45 Wimpole Street London W1G 8SB

Installation of emergency lighting above exit doors (internal side of door only)

Basement Part 10A Chandos Street London W1G 9DQ

Display for a temporary period of six months of a non-illuminated 'to let' board attached to the railings in front of the building at street level and measuring 0.6 x 0.9m.

Flat 4 St Davids House 16 New Cavendish Street London W1G 8UP

Alterations to the uppermost storey of Flat 4, involving the removal of two existing rear dormers and the construction of a single replacement rear dormer, like-for-like replacement of existing roof terrace railings and decking, and internal alterations including the replacement of existing modern kitchen fittings and associated joinery. (Linked to 26/01855/FULL)

Flat 4 St Davids House 16 New Cavendish Street London W1G 8UP

Alterations to the uppermost storey of Flat 4, involving the removal of two existing rear dormers and the construction of a single replacement rear dormer, like-for-like replacement of existing roof terrace railings and decking, and internal alterations including the replacement of existing modern kitchen fittings and associated joinery. (Linked to 26/01857/LBC)

Fourth Floor And Fifth Floor 7 Cavendish Square London W1G 0PE

Installation of single set of French doors to rear elevation. (Linked with 26/01745/FULL)

Fourth Floor And Fifth Floor 7 Cavendish Square London W1G 0PE

Installation of single set of French doors to rear elevation. (Linked with 26/01746/LBC)

64 Wimpole Street London W1G 8YS

Erection of a new roof terrace and green roof area at rear 2nd floor level; installation of plant and photovoltaic panels at main roof level and new mansard roof extension and installation of plant on the mews roof level; alterations at ground floor front elevation; Internal and external alterations throughout the building in connection with a rear elevation extension from first to fourth floor levels and the reconfiguration of the existing fifth floor level, installation of new double glazed windows throughout all in connection with a change of use to Class E (e) medical use.

8 Queen Anne Street London W1G 9LG

Alteration to door ironmongery to two doors removal of 2 pairs of non-heritage door knobs and replacement with battery operated security keypads with integral lever handles.