Westminster - Planning Application For Major Development

Applications received under:

Town & Country Planning Act 1990 • Planning (Listed Buildings * Conservation Areas) Act 1990 • Article 13(4) or (5), Town and Country Planning (Development Management Procedure) (England) Order 2010 • Town & Country Planning General Regulations 1992.

Notice is hereby given that applications have been made to the Westminster City Council for permission to carry out work and/or development as described below to premises listed-Code: FULL-Town Planning; LBC-Historic Building; ADFULL-Approval of details; COD-Council’s Own Development; ADV-Advertisement.

25/09216/FULL 1 James Street Marylebone High Street London W1U 1DR
Installation of new door to existing fifth floor roof terrace and installation of new glazed balustrade to James Street elevation.

25/09215/FULL 1 James Street Marylebone High Street London W1U 1DR
Installation of new door to existing fourth floor roof terrace and installation of glazed balustrade to the Bird Street elevation.

26/00039/COLBC 10 South Molton Street London W1K 5QJ
Installation of a replica Victorian style lantern with bracket upon building frontage.

26/00291/LBC 100 Piccadilly London W1J 7NH Facade cleaning and repairs.

26/00040/COLBC 12 South Molton Street London W1K 5QN
Installation of a replica Victorian style lantern with bracket upon building frontage.

25/08797/LBC 2 Dorset Street London W1U 4EE
Replacement of four external condenser units with two external units within new enclosure, replacement of existing internal condensers with two internal units and replacement of associated pipework.
(Linked to 26/00319/FULL)

25/09152/FULL 2 Harley Street London W1G 9PB
Installation of external condenser unit in the rear lightwell. (Linked to 25/09153/LBC)

26/00013/FULL 20 Air Street London W1B 5AN
Installation of new plant on the main roof of the building.

26/00554/LBC 23 Grafton Street London W1S 4EY
Phased development including retention of rear basement roof slab (previously proposed for demolition and replacement), infilling of void creating an internal lightwell and the creation of a rear extension at ground floor. Removal of rear ground floor toilet block and external fire escape stairs. Demolition of existing, altered mansard roof and construction of a new mansard roof with dormer windows and concealed plant enclosure. Extension of existing lift to serve fourth floor.
Replacement of third floor rear windows with double glazed sash windows. Minor internal reconfigurations.

26/00782/FULL 23 Grafton Street London W1S 4EY
Variation of Conditions 7 and 8 of planning permission dated 17 June 2025 (RN: 25/01604/FULL) for ‘Phased development including replacement of rear basement roof slab and creation of a rear extension at ground floor. Removal of rear ground floor toilet block and external fire escape stairs. Demolition of existing, altered mansard roof and construction of a new mansard roof with dormer windows and concealed plant enclosure. Extension of existing lift to serve fourth floor. Replacement of third floor rear windows with double glazed sash windows. Minor internal reconfigurations. Continued use of ground floor as retail (Use Class E(a)) and basement, first, second, third and fourth as office (Use Class E(g))’. NAMELY, to enable the use the lower ground to fourth floor levels for either Class E(a) retail and/or Class E(g) office use.

25/09297/LBC 245 Regent Street London W1B 2EN
Internal and external alterations including new shopfronts and signage. (Linked to 25/09296/FULL)

25/08420/FULL 25-30 North Row London W1K 6DJ
Refurbishments to existing Class E floorspace, refurbishments to the ground floor entrance with Flexible Class E(a)(b)(e)(g) use at ground floor, mezzanine, and lower ground level, construction of a two storey rear extension, construction of a two storey roof level extension, creation of external terrace space at ground and roof level, alongside improvements to landscaping, cycle parking, and end of journey space.

25/07445/FULL 26-27 Devonshire Street London W1G 6PH
Variation of condition 5 of planning permission dated 20 December 2023 (RN: 23/07525/FULL) which in itself varied condition 5 of planning permission dated 13 December 2021 (RN: 21/07371/FULL) for use of two areas of the public highway measuring 8.3m x 1.5m and 4m x 1.5m for placement of 7 tables, 14 chairs, 2 barriers, 2 bay trees, and 4 planters in connection with the ground floor use (site includes 25-27 Devonshire Street), to allow the continued use of the pavement until 31 October 2025. NAMELY, to allow the use of the public highway for a further 2 year period.

25/09144/LBC 27 Shouldham Street London W1H 5FL
Damp repairs in basement front room, repairs and decoration to front elevation and installation of a replacement window to basement light well.
(Linked to 25/09143/FULL)

25/09055/LBC 28 Argyll Street London W1F 7EB
Replacement of glazing to first floor window on Little Argyll Street elevation with louvered top panels.

26/00322/LBC 28 Argyll Street London W1F 7EB
Installation of fascia sign, hanging sign and acrylic lettering to shopfront glazing.

26/00127/FULL 3 Kingly Court London W1B 5PW
Installation of two lights and a small boiler flue on the rear elevation at ground floor level.

26/00126/FULL 3 Kingly Court London W1B 5PW
Removal of rear railings.

25/09270/FULL 30 Grosvenor Square London W1K 6AN
Installation of permanent external planter boxes at ground floor level on the Upper Brook Street elevation and associated works.

26/00655/FULL 31 Culross Street London W1K 7HF
Alterations to the front elevation at ground floor level, replacement of rear ground floor level extension with new access doors at rear ground floor level and replacement of the flat roof.

25/09085/FULL 333 Oxford Street London W1C 2HY
Removal of minor external façade features; replacement of ground and first floor glazing to Oxford Street and New Bond Street elevations; replacement of door to Woodstock Street with a fixed glass pane; and replacement of rooftop plant in relation with the continued Class E use of the building for retail and office.

26/00139/FULL 35 Curzon Street London W1J 7TT
Replacement of existing steps to front entrance.

26/00268/FULL 395 - 397 Oxford Street London W1C 2JS
Installation of two new A/C units and refrigerant pipes and noise enclosure.

25/07152/FULL 4 Portman Square London W1H 6LD
Replacement entrance door with a new full-height glazed door; replacement of windows 1 and 6 with clear Georgian wired glass; replacement of fascia with new sprayed metal cladding panels and associated works.

25/05667/FULL 407-409 Oxford Street London W1C 2PA
Installation of two condenser units to serve air conditioning in cafe premises.

26/00731/FULL 46 Berkeley Square London W1J 5AT
Variation of Conditions 14 and removal of Condition 15 of planning permission dated 30 January 2018
(RN: 17/07633/FULL) for ‘Variation of Conditions 1 and 8 of planning permission dated 28 April 2017 (RN: 16/07773/FULL) for the Use of 46 Berkeley Square as a private members club (sui generis use), with internal and external alterations including mechanical plant, and erection of Annabel’s canopy to front; use of 46 Hay’s Mews as a private members club, and a health and wellbeing club (sui generis) and alterations to the mews building including the erection of a pitched roof extension with mechanical plant; and erection of a full length retractable glazed canopy from the mews building to the main building enclosing the external dining terrace/courtyard; associated mechanical plant and landscaping (site includes 46 Hay’s Mews): namely, to vary Condition 1 to enable alterations to the Hays Mews elevation, chimney to 46 Hays Mews to be raised in height, provision of a rear facing balcony and associated internal alterations and variation of Condition 8 to change the maximum capacities allowed in the two areas of the club from 550 to 750 people’. Amendments now proposed are NAMELY, to allow temporary refuse storage and collection arrangements for a period of two years.

26/00347/FULL 49 Grosvenor Square London W1K 3EP
Replacement of external entrance steps.

26/00646/LBC 54-55 Curzon Street London W1J 8PG
Replacement of existing awning and installation of internally illuminated menu box.
(Linked with 26/00610/ADV)

26/00092/LBC 6 Grafton Street London W1S 4EQ
Creation of three new door openings within existing arched recesses and addition of arched headed pairs of french windows at front basement level; re-opening of an historic opening and addition of a service door adjacent to match an existing service door; conversion of an existing vault for additional toilet facilities.
(Linked to 26/00588/FULL)

25/04160/FULL 62-64 Baker Street London W1U 7DF
Installation of an open access Communication Hub outside 66 - 70 Baker Street, following the removal of an existing communication apparatus.
(Linked with 25/04161/ADV)

26/00166/FULL 70 Marylebone High Street London W1U 5JL
Installation of an external air-conditioning unit within the lower ground floor rear lightwell.

25/09214/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.

26/00758/FULL 82 Margaret Street London W1W 8LH
Variation of Conditions 27 and 33 of planning permission dated 10 November 2025 (RN: 25/02820/FULL) for ‘Alterations including opening of laundry building within the central courtyard at ground floor level; excavation to lower sections of the existing lower ground floor accommodation; erection of an infill extension at lower ground floor level with courtyard above; erection of dummy mansard to the rear of All Saints House to screen new plant; all in connection with the use of part lower ground, part ground and part ground upper floors as 29 units for short to medium stay temporary visitor accommodation (sui generis); use of part lower ground, part ground and part first floor as an event space (Sui Generis); use of part ground floor as lounge/co-working space (Class E); and provision of plant ancillary to the building at basement level’; NAMELY to create an additional unit of short to medium stay temporary visitor accommodation at lower ground floor level.

26/00002/LBC 97 York Street London W1H 4QQ
Change of use of the Lower Ground and Ground Floors from Commercial (Class E) to Residential (Class C3), with associated internal alterations.
(Linked to 26/00001/FULL)

26/00195/LBC Basement And Ground Floor 74 New Bond Street London W1S 1RT
Painting of shop façade black (RAL 9004) with new non-illuminated box sign and the addition of new fascia sign and fabric flag. (Linked to 26/00194/FULL)

25/09100/FULL Hanover Square Garden Hanover Square London W1S 1HQ
Installation of sculpture ‘Spirit’ in Hanover Square Gardens from 1 March 2026 for a temporary 12 month period.

25/09232/LBC L’ecole Internationale Franco-Anglaise 36 Portland Place London W1B 1LS
Removal of reciprocal means of escape shared between 34 Portland Place and 36 Portland Place and implementation of fire upgrades throughout 36 Portland Place to ensure compliance with current building regulations affecting educational institutions within listed buildings. Works incorporate removal of redundant fire escape doors, upgrades to existing door furniture, installation of partitions to create fire separation lobbies, installation of mechanical extract among other minor alterations. (Linked to 25/09231/FULL)

25/09092/FULL Penthouse Fourth Floor 84 Mount Street London W1K 2SP
Installation of an air conditioning external condenser unit below the roof top stairs.

26/00308/FULL Pollen House 10 - 12 Cork Street London W1S 3NP
Installation of plant machinery, acoustic enclosure and associated works at level 5.

26/00732/LBC Proposed Development Site At 51 To 58 Rathbone
Place And 54-62 And 66 And 68 Oxford Street London

Demolition of Nos 66 & 68 Oxford Street and redevelopment behind retained facades of Nos 54-62 Oxford Street and 51-58 Rathbone Place to provide a new building comprising basement levels, ground and seven upper floor levels. Use of entire building either for retail (Class A1) or the use of part basements to first floor as retail (Class A1) and offices (Class B1) with a dual/alternative use of floors two to seven for either retail (Class A1) or office (Class B1) use; and associated works including plant at basement levels, the creation of terraces at sixth and seventh floors; external roof top plant at seventh floor level behind an acoustic attenuated louvered façade onto Perrys Place, and the installation of photovoltaic panels at roof level.

25/09154/FULL St Marylebone Church Of England School 63-64 Marylebone High Street London W1U 5BA
Installation of solar Photovoltaic (PV) panels on the low mansard roof section of the 1960s C block building.

26/01145/P3JPA Stone House 9 Weymouth Street London W1W 6DB
Change of use of the existing Class E floorspace on the ground floor (Use Class E) into 1 no. dwellinghouses (Use Class C3) to form a three-bedroom apartment.

25/09099/FULL The Westbury Hotel 37 Conduit Street London W1S 2YF
Re-installation of five flagpoles on canopy of hotel entrance.

25/08966/LBC Venture House 27-29 Glasshouse Street London W1B 5DF
Alteration of the basement layout; installation of CCTV cameras on the external elevations; reconfiguration of the Glasshouse Street reception areas; alterations to the dry riser arrangements; alterations to the Core 3 layout; changes to the proposed atrium rooflight, the terrace landscaping, and the omission of a small rooflight on level 7; and changes to the extent of demolition.

25/08720/FULL Vincent Court Seymour Place London W1H 2ND
Erection of single storey roof extension to create new third floor level to provide 8 self contained units (Class C3) together with the erection of four lift enclosures to the front elevation, refurbishment of the main entrances, replacement windows, provision of roof terraces, bike storage, bin storage and other associated works.

26/00684/FULL 11 Palace Court London W2 4LP
Variation of Conditions 1 and 7 of planning permission dated 14 August 2025 (RN: 25/03928/FULL) for ‘Use of building as 4 no. self-contained residential units (Use Class C3) with associated demolition and replacement of extensions within central courtyard and at roof level; Creation of third floor external terrace; Alterations/replacement of windows; Replacement of rear boundary wall with dwarf wall and metal railings; Installation of air-source heat pumps; and associated works’. Namely to replace green wall within rear lightwell with sedum roof at rear third floor level and at main roof level.

25/08909/COFUL 2 Fernhead Road London W9 3ET
Shopfront improvements including new tiled shopfront surround, new timber fascia, cornice and traditional style awning, signage and lighting.
(Linked to 25/08910/ADV)

26/00739/FULL 26 Lancaster Mews London W2 3QE
Variation of Condition 1 of planning permission dated 17 June 2025 (RN: 25/02702/FULL) for ‘Removal of the dormer extension at roof level, construction of a mansard roof extension and alterations to front elevation including new and replacement windows, juliette balcony, entrance door and garage doors and conversion of garage’. Namely to install low-profile railings at roof level, add recessed planters, and amend the position and size of rooflights.

25/09249/FULL 26 St Marys Mansions St Mary’s Terrace London W2 1SQ
Replacement of all timber double-glazed windows at first floor level and installation of new air brick and flue to rear elevation.

26/00790/LBC 3-4 Station Approach Marylebone Road London NW1 5LD
Use as a food hall/bar and internal and external alterations, to including alterations to rear elevation, installation of mechanical plant, ducting and screening and installation of new mezzanine level within unit.
(Linked to 26/00789/FULL)

26/00584/LBC 3-5 Cleveland Terrace London W2 6LH
Restoration, refurbishment, internal reconfiguration, roof renewal, and associated works including lift retention. (Linked to 26/00583/FULL)