Planning applications in W1G

1 - 7 Harley Street London W1G 9QD

Details of supplementary noise report pursuant to Condition 16 of planning permission dated 25 November 2020 (RN20/03361/FULL)

41 Devonshire Place London W1G 6JY

Details of proposed Chimney pieces for room B2-06 pursuant to Condition 8(D) of listed building consent dated 28th July 2025 (RN: 24/08954/LBC).

78 Harley Street London W1G 7HJ

Internal alterations comprising 2 new door openings and a new fire door within communal corridor and infilling of door opening within partition wall at basement level

36 Devonshire Place Mews London W1G 6DD

Amendments to planning permission granted on appeal dated 27 February 2025 (RN:23/08700/FULL and APP/X5990/W/24/3351064) for Demolition of existing building and erection of replacement dwellinghouse (Class C3) over ground, first and second floor levels with rear balcony at first floor level; NAMELY, to increase external wall thickness, amend the wording of Condition 6, to make minor amendments to windows and the rear dormer, internal alterations and removal of one drainpipe.

43 - 49 Harley Street London W1G 8BT

Installation of support beam for failing beam in room G11 ground floor of 45 Harley Street.

56 - 60 Weymouth Street London W1G 6NX

Installation of a green roof and external rooftop plant / machinery with associated acoustic enclosures, alongside fenestration alterations to accommodate louvres and ductwork, in connection with an MRI diagnostics centre.

47 Weymouth Street London W1G 8NE

Rear extension at basement level, alterations to rear flat roof areas and installation of a metal bridge and railings and other associated works in relation to the extension of the roof terrace at first floor level, internal alterations to each floor level

First Floor 15 Harley Street London W1G 9QQ

Re-orientation and screening of an existing air handling unit (AHU) located on the rooftop of the modern rear extension at 15 Harley Street.

First Floor 15 Harley Street London W1G 9QQ

Re-orientation and screening of an existing air handling unit (AHU) located on the rooftop of the modern rear extension at 15 Harley Street.

17 New Cavendish Street London W1G 9UA

Variation of Condition 2 of planning permission dated 12th February 1998 (RN: 97/05508/FULL) for, 'Use of basement and ground floor for class a3 food & drink purposes and installation of full height extract duct to rear'; Namely, to allow a food takeaway service (including collection by customers and delivery by third-party couriers) to operate between 08:00 and 22:30, Monday to Sunday within the restaurant's permitted opening hours, on a permanent basis. (Application under Secton 73 of the Act).

41 Devonshire Place London W1G 6JY

Detailed drawings of all new electrical service routes pursuant to condition 8 (E) of listed building dated 28th July 2025 (RN: 24/08954/LBC)

17 Welbeck Street London W1G 9XJ

Installation of five condenser units to internal lightwell and internal fan coil units with associated pipework, refurbishment works including repairs to external staircase, removal of non-original metal shutters to windows, reconstruct existing internal riser in fireproof material, replace non-original internal doors with panelled doors, replaced existing WCs, remove non-original internal glazing and rebuilt partition, insulation to roof, new partition to mansard roof. (Linked to 25/06437/FULL)

17 Welbeck Street London W1G 9XJ

Installation of five condenser units to internal lightwell and associated pipework and refurbishment works including repairs to external staircase. (Linked to 25/06438/LBC)

9 Mansfield Street London W1G 9NZ

Use as building as a single family dwellinghouse (Class C3). External alterations including the installation of replacement windows and doors. Installation of garage doors in place of to two windows on the Mansfield Mews frontage, installation of replacement roof lights, removal of roof lights at main roof level, removal of cantilevered outrigger WC at rear first floor level, alterations to fenestration of the mews portion of the building facing the internal courtyard to mews portion of building. Reconstruct part of brick parapet, installation of plant at main roof level . [SITE INCLUDES 6 MANSFIELD MEWS]

9 Mansfield Street London W1G 9NZ

External alterations including the installation of replacement windows and doors. Installation of garage doors in place of to two windows on the Mansfield Mews frontage, installation of replacement roof lights, removal of roof lights at main roof level, removal of cantilevered outrigger WC at rear first floor level, alterations to fenestration of the mews portion of the building facing the internal courtyard to mews portion of building. Reconstruct port of brick parapet, installation of plant at main roof level. Internal alterations throughout [SITE INCLUDES 6 MANSFIELD MEWS]

120 Harley Street London W1G 7JW

Internal and external alterations in connection with the installation of plant, structural repairs to Juliet balcony and front entrance steps. (Linked to 25/06391/FULL)

120 Harley Street London W1G 7JW

Internal and external alterations in connection with the installation of plant, structural repairs to Juliet balcony and front entrance steps. (Linked to 25/06392/LBC)

20 Wimpole Street London W1G 8GF

Detailed drawings of the following parts of the development 1) pipework rationalisation to the front elevation, 2) traditional enclosure to rear plant, 3) Pointing specification pursuant to condition 7 of planning permission dated 10th June 2024 (RN: 24/03835/FULL). (Linked to 25/06123/ADLBC).

47 Weymouth Street London W1G 8NE

Amendments to planning permission dated 24th July 2018 (RN 18/01879/FULL) for the Rear extension at basement level and extension of the roof terrace at first floor level, use as a single family dwelling (C3 use class). NAMELY, Change from metal glazed screen to timber sash window to infill extension at lower ground floor, omission of timber panelling to rear roof terrace, replacement of concrete coping to rear terrace wall with new stone ones and amendment to metal bridge design. (Linked to 25/06502/LBC)

47 Weymouth Street London W1G 8NE

Detailed drawings of metal bridge, railings and external window pursuant to condition 3 of planning permssion dated 7th December 2018 (RN:18/08716/FULL).

47 Weymouth Street London W1G 8NE

Detailed drawings of metal bridge, railings and external window pursuant to condition 5 of listed building consent dated 4th April 2019(RN:18/08715/LBC).

45 Welbeck Street London W1G 8DZ

Replacement of windows with slimline double glazing windows and associated works.

Hahnemann House 32 Welbeck Street London W1G 8EU

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 0.45m.

110 Harley Street London W1G 7JG

Regulation 5 Notice of Intention to Install Fixed Line Broadband Apparatus to a Listed Building.

Flat 2 19 Upper Wimpole Street London W1G 6LY

Installation of a new slim double-glazed timber window, painted white within the existing retained window frame fronting the internal courtyard.

Flat 2 19 Upper Wimpole Street London W1G 6LY

Installation of a new slim double-glazed timber window, painted white within the existing retained window frame fronting the internal courtyard. (Linked to 25/06204/FULL)

Cavendish House 18 Cavendish Square London W1G 0PJ

Removal of double doorway with surrounding frame and glazing, provision of matwell, refurbishment of C20th and C21st elements.

1 Cavendish Square London W1G 0LA

Variation of Condition 13 of planning permission dated 20th April 2023 (RN: 22/07690/FULL) for the Opening up to basement areas, lowering of floor in pavement vaults and corridors to increase the useable space, additional opening up to eastern ground floor area, forming of services voids to accommodate plant and equipment, reopening of existing skylight apertures to existing pitched roof for ventilation of services, alterations to eastern facade to accommodate a new plant deck, WC accommodation and small terrace, in -connection with the use of building as a restaurant/drinking establishment (Sui Generis) namely, to extend hours of opening. Application under S73 of the Act

20 Wimpole Street London W1G 8GF

Detailed drawings of the following parts of the development 1) pipework rationalisation to the front elevation, 2) traditional enclosure to rear plant, 3) Pointing specification, 4) Internal door schedule, noting historic doors to be retained and reuse of partition doors pursuant to condition 4 of listed building consent dated 10th June 2024 (RN: 24/03836/LBC).(Linked to 25/06320/ADFULL).

Hahnemann House 32 Welbeck Street London W1G 8EU

Installation of CCTV to front entrance and rear emergency exit. (Retropsective) Linked with 25/06097/FULL

Hahnemann House 32 Welbeck Street London W1G 8EU

Installation of CCTV to front entrance and rear emergency exit. (Retrospective) Linked with 25/06098/LBC

45 Welbeck Street London W1G 8DZ

Replacement of windows with slimline double glazing windows and associated works. (Linked to 25/06314/FULL)

44 Welbeck Street London W1G 8DY

Detailed drawings showing the omission of SIKA type render to vaults and detailed drawings and method statement of tanking/drained cavity to the vaults pursuant to Conditions 2 and 4 of listed building consent dated 16 July 2025 (RN: 25/01239/LBC)

16 Beaumont Mews London W1G 6EJ

Variation of conditions 1 and 13 of planning permission 19 February 2025 (RN: 24/03039/FULL) for the: 'Excavation of single storey basement and the 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 openable side hung windows instead of fixed-shut to the rear (Application under S73 of the Act).

Third Floor 3 Cavendish Square London W1G 0LB

Fit out works to the third floor

90 Harley Street London W1G 7HS

Replacement of existing plant at second floor roof level and installation of a 1.5m high acoustic screen. (Linked with 25/05625/LBC)

90 Harley Street London W1G 7HS

Replacement of existing plant at second floor roof level and installation of a 1.5m high acoustic screen (Linked with 25/05624/FULL)

1 Cavendish Square London W1G 0LA

Details of new windows and roof lights pursuant to Condition 5(B) PART of Listed Building Consent dated 03 September 2024 (RN23/08101/LBC)

30 Queen Anne Street London W1G 8HX

Erection of an infill extension at basement and ground floor level, Installation of a new dormer on top of the rear closet wing to facilitate a light overrun, erection of a single storey extension at first floor level to the rear of the property and installation of railing on the eastern boundary of the site to facilitate the use of flat roof at first floor level as a terrace. All to provide enhanced office accommodation (Class E)

33 Cavendish Square London W1G 0PS

Deep retrofit and extension of the existing building and replacement of facade and facade works, deepened basement, and the demolition of part of the existing building to provide a mixed use building comprising: offices (Class E(g)(i)); retail (Class E(a)); flexible retail, restaurant, cafe, leisure and entertainment (Class E(a) and/or Class E(b) and/or Class E(d) and/or sui generis food hall and/or sui generis composite use, comprising competitive socialising including bar use with an extended food and drink offer); flexible cultural and creative floorspace (sui generis composite use, comprising Class F1 and/or Class E(a) and/or Class E (g)(i-iii)); flexible office, retail and destination floorspace (Class E(a) and/or Class E (b) and/or (d) and/or Class E(g)(i) and/or sui generis composite use, comprising visitor destination floorspace viewing gallery with extended food and beverage, bar and leisure offer), replacement public house (sui generis), together with terraces, green roofs, solar voltaic panels and associated works as part of a phased development.

4 Clarke's Mews London W1G 6QN

Installation of one air conditioning unit at roof level

14 Cavendish Square London W1G 9DB

Details of an Operational Management Plan pursuant to Condition 3 of planning permission dated 9th April 2025 (RN: 25/00722/FULL)

9 Devonshire Close London W1G 7BA

Detailed drawings/sections of the new windows (sections must also be provided showing the context of the timber panelling with any existing fabric) pursuant to condition 4 of planning permission dated 29th April 2025 (RN: 25/00062/FULL)

21 Westmoreland Street London W1G 8PN

Renovation of the entrance steps to 19 and 21 Wesley Street, reducing number of steps from 8 to 7 no. steps and new portland stone cladding and railings to match existing, adjusted to new stair pitch.

1 Devonshire Close London W1G 7BA

Erection of a mansard roof extension at second floor level and alterations to the front and rear elevations all in connection with the continued use of the property as a single family dwelling.

1 Devonshire Close London W1G 7BA

Erection of a single storey mansard roof extension and extensions at rear ground and first floor levels. Alterations to the front and rear elevations all in connection with the continued use of the property as a single family dwelling.

4 Mansfield Mews London W1G 9NL

Partial removal of existing roof to create new roof terrace, accessible via a new stair with 0.9m balustrade perimeter; new glazed screen to courtyard; new window to the South Elevation; replacement of external door with a window at south elevation; re-covering and reinsulation of roof pitch on the Mews road elevation; modifications to the Mews Elevation and the creation of an internal bin store; and internal alterations to create a new double-height living space and reconfiguring the layout to incorporate one bedroom, a kitchen, a shower room, and a WC. (Linked with 25/05100/LBC)

4 Mansfield Mews London W1G 9NL

Partial removal of existing roof to create new roof terrace, accessible via a new stair with 0.9m balustrade perimeter; new glazed screen to courtyard; new window to the South Elevation; replacement of external door with a window at south elevation; re-covering and reinsulation ofr oof pitch on the Mews road elevation; modifications to the Mews Elevation and the creation of an internal bin store; and internal alterations to create a new double-height living space and reconfiguring the layout to incorporate one bedroom, a kitchen, a shower room, and a WC. (Linked to 25/05099/FULL)

9 Cavendish Square London W1G 9DF

Installation of a non-mechanical louvre at lower ground floor level on the Chandos Street elevation.

34 Devonshire Place London W1G 6JW

Details pursuant to condition 4(partial) of planning permission dated 19 June 2023 (RN: 22/03229/FULL), namely detailed drawings of the fan light. (Linked with 25/04713/ADLBC)