Planning applications in W1G

Ground Floor 35 Weymouth Street London W1G 8BJ

Variation of condition 1 and 5 of planning permission dated 14th July 2025 (RN:25/03421/FULL) for the Demolition of existing plant enclosure and part first floor and replacement with new plant and plant enclosure to the rear of 35-37 Weymouth Street, including extension and alterations at first floor to enlarge the existing hospital accommodation (Class C2). Alteration to the Wimpole Mews Elevation frontage including the installation of replacement louvres, removal of railings and addition of wall mounted planters. Namely, to vary/remove the wording of conditions 1 and 5.

33 Margaret Street London W1G 0JD

Cleaning of the elevations fronting onto Regent Street and Margaret Street using facade gommage.

23 Queen Anne Street London W1G 9HN

Installation of photovoltaic panels (PV) at main roof level.

21 - 22 Welbeck Way London W1G 9YW

Installation of 2 x condenser units roof level, including external grid deck for plant access and mounting.

53 - 55 Weymouth Street London W1G 8NJ

Alterations to windows on the Westmorland Street frontage to match the windows on the Weymouth Street frontage.

Flat 47 Maybury Court Marylebone Street London W1G 8JF

Replacement of existing single glazed timber framed windows at First Floor Flat 47, Maybury Court with new double glazed timber framed windows.

73 - 75 Harley Street London W1G 8QJ

Refurbishment of two consulting rooms by introducing floor to ceiling oak wall panelling, new storage unit, coffered ceilings in lime plaster, downlights and replacement of existing carpet. New storage units in treatment rooms.

72 Harley Street London W1G 7HG

Replacement of fire doors at lower ground, ground and first floors.

70 Harley Street London W1G 7HF

Alterations to fourth floor flat, works including replacement of windows with Slimlite double glazing windows; replacement of fire doors; layout alterations; and associated works. (Linked to 26/00202/FULL)

70 Harley Street London W1G 7HF

Alterations to fourth floor flat, works including replacement of windows with Slimlite double glazing windows; layout alterations; and associated works. (Linked with 26/00203/LBC)

The Marylebone Hotel 47 Welbeck Street London W1G 8DN

The proposal requires removal and replacement of 6no. antennas mounted on the existing wall mounted poles at the retained height of 31.9m AGL; installation of 2no. 0.3m dishes; replacement of the existing 12no. ERS units; Upgrade of the equipment within the equipment room and development works thereto.

21 - 22 Great Castle Street London W1G 0HY

Display for a temporary period of six months of a non-illuminated 'to let' board located at a height of between 3.0m x 4.6m above pavement level and measuring 1.1m x 0.9m.

43 Devonshire Close London W1G 7BF

Replacement of existing glazed windowpanes with slimline double-glazed windowpanes to all existing windows, and replacement of existing front door.

66 Harley Street London W1G 7HD

Display of two non-illuminated plaques measuring 0.3m x 0.4m.

79 Harley Street London W1G 9HW

Internal alterations at basement and ground floor levels and external alterations including the removal of roof lanterns; installation of new plant within the lightwell at ground floor level and on the flat roof area at first floor level.

43 Weymouth Street London W1G 8NB

Partial demolition of rear roofslope and creation of a concealed roof terrace at rear second floor level. Installation of one rooflight, one external door and one repositioned window.

43 Weymouth Street London W1G 8NB

Partial demolition of rear roofslope and creation of a concealed roof terrace at rear second floor level. Installation of one rooflight, one external door and one repositioned window.

2 Harley Street London W1G 9PB

Use of Flats 1 & 2 at 2 Harley Street as commercial class E medical use

41 Devonshire Place London W1G 6JY

Installation of Air Conditioning units at No. 41 Devonshire Place. Proposed works include; 1 x Condenser units to one of the vaults, 2 x Condenser units on the roof, with FCU units located in internal principal rooms. (Linked to 25/09208/FULL)

79 Harley Street London W1G 9HW

Variation of conditions 1 and 5 of planning permission dated 31 August 2023 (RN: 23/04631/FULL) for the: External and internal alterations at lower ground, ground and first floor rear flat roof level associated with the installation of a new MR Linac machine at lower ground floor level. Installation of new plant and relocation of existing plant, including a quench pipe within the external area at rear ground floor level and on the first floor flat roof area, the removal of skylight and associated works. NAMELY, to allow internal and external amendments and the installation of additional plant.

6 Upper Wimpole Street London W1G 6LG

Details of first-floor terrace in relation to 7 Upper Wimpole Street, including plans, section and details of screening measures pursuant to condition 8 of planning permission dated 22 May 2025 (RN: 24/06677/FULL)

6 Upper Wimpole Street London W1G 6LG

Details of facing materials pursuant to condition 4 of listed building consent dated 22 May 2025 (RN: 24/06678/LBC).

6 Upper Wimpole Street London W1G 6LG

Details of facing materials pursuant to condition 18 of planning permission dated 22 May 2025 (RN: 24/06677/FULL)

41 Devonshire Place London W1G 6JY

Installation of Air Conditioning units at No. 41 Devonshire Place. Proposed works include; 1 x Condenser units to one of the vaults, 2 x Condenser units on the roof, with FCU units located in internal principal rooms. (Linked to 25/09209/LBC)

2 Harley Street London W1G 9PB

Installation of external condenser unit in the rear lightwell. (linked to 25/09153/LBC)

2 Harley Street London W1G 9PB

Installation of external condenser unit in the rear lightwell and fan coil units to the first floor with associated pipework and decorative heritage panelling. (linked to 25/09152/FULL).

First Floor Aldine House 33 Welbeck Street London W1G 8EX

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.

Payphone Site Outside 1 Old Cavendish Street London W1G 0NE

Installation of two digital 75-inch LCD display screens, one on each side of the Street Hub unit. (Linked to 25/09074/FULL)

Payphone Site Outside 1 Old Cavendish Street London W1G 0NE

Installation of 'BT Street Hub 3' units (Linked to 25/09075/ADV)

110 Harley Street London W1G 7JG

Installation of a PVC duct within the basement lightwell to facilitate an external fibre cable routing and a fibre termination box, installation of internal fibre cabling from the termination point to a communications rack located within the basement communications room.

44 Welbeck Street London W1G 8DY

Installation of fire lobby at ground floor level.

6 Upper Wimpole Street London W1G 6LG

Details of site investigation, remediation strategy and validation report (phase 2, 3 and 4) pursuant to condition 3 of planning permission dated 23 May 2025 (RN: 24/06677/FULL)

3 - 4 Vere Street London W1G 0DQ

Use of ground floor entrance area and floors 1 - 5 within Class E (Commercial, Business and Service use)

4 Devonshire Close London W1G 7BA

Details of Whole Life Carbon Assessment pursuant to condition 7 (part 1) of planning permission dated 19 November 2025 (RN: 25/04318/FULL)

4 Devonshire Close London W1G 7BA

Details of site investigation (phase 1 - 3) pursuant to condition 9 (part) of planning permission dated 19 November 2025 (RN: 25/04318/FULL)

14 Upper Wimpole Street London W1G 6LR

Details of new windows, secondary stairs and balustrades, cornices, skirting boards, doors and architraves, and floor build ups pursuant to condition 3 of listed building dated 16th April 2024 (RN: 24/00066/LBC).

14 Upper Wimpole Street London W1G 6LR

Details of new windows pursuant to condition 3 of planning permission dated 16th April 2024 (RN: 24/00065/FULL). (Linked with 26/08777/ADLBC). (Linked with 25/08724/ADFULL)

45 Queen Anne Street London W1G 9JE

Installation of two air handling units within acoustic enclosure, two air-conditioning units, two chiller units, heat recovery unit, ductwork and fans on rear flat roof.

36 Devonshire Place Mews London W1G 6DD

Details and programme of energy efficiency measures, details of sound insulation scheme, detailed schedule and annotated elevation and roof plans, of all proposed materials of external construction, including glazing and detailed drawings of windows and doors (including their method of openability) with elevations, plans and sections pursuant to condition 6, 7, 8, and 9 of the appeal decision dated 27th February 2025 (Appeal Ref: APP/X5990/W/24/3351064)

4 Mansfield Mews London W1G 9NL

Replacement of garage door with smaller size door; internal layout alterations; and associated works. (Linked with 25/08604/LBC)

4 Mansfield Mews London W1G 9NL

Replacement of garage door with smaller size door; internal layout alterations; and associated works. (Linked with 25/08603/FULL)

Basement And Ground Floor 45 Welbeck Street London W1G 8DZ

Installation of terrace, roof light, walk-on glazed surface, external spiral access stair, guarding rails, planter and privacy screen, to rear yard infill extension roof area, and installation of 3 external doors and an alteration to an existing external door within the rear lightwell at lower ground floor level. (Linked to 25/08566/FULL)

Basement And Ground Floor 45 Welbeck Street London W1G 8DZ

Installation of terrace, roof light, walk-on glazed surface, external spiral access stair, guarding rails, planter and privacy screen, to rear yard infill extension roof area, and installation of 3 external doors and an alteration to an existing external door within the rear lightwell at lower ground floor level. (Linked to 25/08567/LBC)

57 Harley Street London W1G 8QS

Details of windows, concertina doors and lightwell lift balustrading; biodiversity management plan for green roof; adherance to CoCP; and consultation with London Underground Ltd pursuant to Conditions 4, 6, 7 and 14 of planning permission dated 23 October 2025 (RN: 25/02646/FULL)

8 Devonshire Close London W1G 7BA

Replacement of existing second floor with a mansard roof, alterations to fenestration of the front and rear elevations, construction of a new basement level and other associated development (Class C3).

21 Westmoreland Street London W1G 8PN

Display of non-illuminated advertisements on temporary hoarding fronting Westmoreland Street for a temporary period.

57 Harley Street London W1G 8QS

Erection of rear first floor extension with sedum green roof finish and alterations to form door in existing window opening to allow access to first floor roof.

13 Harley Street London W1G 9QG

Details of decoration and Paint Analysis strategy; pursuant to conditon 5(1) of Listed Builidng consent dated 26 September 2025 (RN 25/04782/LBC)

Flat 56 Melcombe Regis Court 59 Weymouth Street London W1G 8NT

Replacement of crittal windows with double glazed crittal windows within the mansard roof.

57 Harley Street London W1G 8QS

Details of brick sample panel pursuant to condition 5 of planning permission dated 23rd October 2025 (RN:25/02646/FULL).