Westminster City - Multiple Planning Applications For Listed Building And Conservation Areas

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.

26/05545/LBC 1 Chiltern Street London W1U 7PA
Replacement of rooftop plant and associated screening, switched kitchen extract/supplies, new access hatch to roof (maintenance use) and installation of a pressurised stair system. (Linked with 26/05544/FULL)

26/05561/FULL 1 Welbeck Street London W1G 0AR
Installation of ventilation ductwork, intake ducts and louvres. (Land To the Rear Of 1-2 Welbeck Street)

26/03936/LBC 11 - 17 Seymour Street London W1H 7JW
External refurbishment of the Leonard Hotel comprising replacement of existing entrance steps with limestone, alterations to the front entrance doors through the introduction of glazing and panes, erection of a small canopy above the restaurant entrance, and replacement of the existing canopy in burgundy. (Linked to 26/03935/FULL)

26/05507/LBC 17 - 21 South Audley Street London W1K 2NY
Removal of lower floorboards, installation of a new floor build-up, refurbishment and reinstatement of existing historic floorboards, and associated works to the Library/Lounge and Stair 03 at ground floor level.

26/05516/FULL 17 Grosvenor Street London W1K 4QH
Variation of condition 1 of planning permission dated 2nd April 2026 (RN: 25/09112/FULL) for the Installation of air source heat pump in modified plant enclosure; green roof and rooflights; modifications to front mansard profile and front elevation. Namely, omission of 3 rooflights over the 4th floor and addition of a dormer window at the 4th floor rear and addition of a mechanical vent and heat recovery unit at the rear of the central flat roof. (Application under section 73 of the Act)

26/05243/FULL 25 Great Pulteney Street London W1F 9LT
Installation of rooftop mechanical plant equipment.

26/05556/LBC 3 Cavendish Square London W1G 0LB
Internal fit out of office space on the fourth and fifth floor level.

26/05677/LBC 32 Berwick Street London W1F 8RL
Replacement of existing rear atrium roof and addition of an Automatic Opening Vent and associated works at rear third floor level. (Linked with 26/05676/FULL)

26/05293/LBC 35 Manchester Street London W1U 7LQ
Addition of two roof anchor points and access ladder hooks to the internal upstand of the existing roof light. 

26/02643/LBC 48 Conduit Street London W1S 2YR
Erection of flagpole and branded flag to front elevation of 48 Conduit Street. (Retrospective) (Linked with 26/05351/ADV)

26/05345/LBC 63 - 65 Piccadilly London W1J 0DY
Display of signage on the Albemarle Street & Piccadilly elevations of the building and display of two flags on the Albemarle Street elevation. 

26/04731/FULL 8 Berkeley Square London W1J 6EE
Installation of an openable shopfront; installation of louvres and heaters on the front elevation and associated works. 

26/05468/FULL Carnaby Street London W1F 9PB
Installation of planters along Carnaby Street, Great Marlborough Street and Lowndes Court for a temporary period of 2 years. 

26/04597/FULL First To Third Floor 7A Wyndham Place London W1H 1PN
Roof alterations to form a new flat roof section finished in lead to accommodate external condensing units and associated plant. 

26/05572/LBC Flat 4 33 Wimpole Street London W1G 8GU
Replacement of six front windows and two rear windows. (Linked with 26/05571/FULL)

26/01207/LBC Flat 49 2 Mansfield Street London W1G 9NF
Replacement of seven windows.

26/05138/FULL Ground Floor 17 Air Street London W1B 5AF
Installation of a new inward-opening painted timber-framed glazed entrance door within the existing ground-floor shopfront.

26/05592/COFUL Holcroft Court Clipstone Street London W1W 5DF
Complete removal and replacement of facade cladding system.

26/05550/TELCOM Hutchison Communications Station (W0018) At 39 Coventry Street London
Removal of 2no. existing antennas and the installation of 4no. new antennas, which will be housed within 2no. GRP replica rooftop chimneys located on the eastern and western sides of the roof. Additional works include the replacement of 1no. equipment cabinet, the installation of 1no. GPS unit on the proposed cabinet, 3no. radio units (ERSs), and 2no. Breakout Boxes (BOBs) mounted on a freestanding frame.

26/05749/LBC Roxburghe House 273 - 287 Regent Street London W1B 2HA
Refurbishment and extension of Roxburghe House and (unlisted) 39 and 40 Margaret Street, including new stair and lift core extension, UKPN substation and creation of localised openings in party walls to link the buildings; replacement of windows; internal and external improvements to upgrade the existing building fabric and introduction of core extension and plant enclosures at roof level of the buildings; facade cleaning; and associated ancillary works. At Roxburghe House: creation of rooftop terrace and pavilion; alterations to entrances; and lowering of some roof level windows. At Margaret Street (unlisted): replacement of ground floor slab, upward extension of the building and chimneys to provide an additional floor, plus creation of a roof terrace and pavilion at level 05; a new office entrance with glazed frontage, extension behind rear facade; and associated ancillary works. (Linked with 26/05748/FULL)

26/05761/FULL Washington House 40 - 41 Conduit Street London W1S 2YQ
Use of part basement and part ground floor as dual alternative restaurant or retail (Class E) and use of part basement ground and first to sixth floors as offices (Class E), provisions for cycle storage, refuse and servicing at mezzanine level; demolition of existing roof level plant area; various extensions to the building including rear infill extension at mezzanine level, rear extension at 4th and 5th floor levels, front side and rear extensions to the 6th floor level, construction of a 7th storey extension all to provide additional office (Class E) floorspace; replacement of the rear curtain wall facade at mezzanine to 3rd floor levels; the replacement of plant within an acoustic enclosure at roof level; reconfiguration of the ground floor Conduit Street frontage and other associated development.

26/05883/FULL 1 Elnathan Mews London W9 2JE
Use of part of the main roof as a roof terrace for amenity purposes. Permanent planters with evergreen hedging along the full length of the front elevation at roof level, Including high metal railings to the remainder of the roof for emergency escape use only.

26/05297/FULL 140 - 142 Westbourne Grove London W11 2RR
Installation of one meter box to the front elevation lightwell (basement level), as well as the installation of a float and two risers with future use valves to the rear of the building. (Retrospective) (Site includes 140 to 152 Westbourne Grove)

26/05870/FULL 2 Lord Hills Road London W2 6PD
Erection of a first-floor side and part rear extension with roof terrace above, replacement of main roof with a flat roof, external cladding and installation of new windows and doors.

26/05005/LBC 23 Craven Hill London W2 3EN
Installation of black painted metal railings on top of existing brick rear garden wall. (Linked with 26/05004/FULL)

26/05606/FULL 29 Kildare Terrace London W2 5JT
Excavation of basement with external lightwells to rear, full width rear extension at lower ground level, infill rear extension at upper ground level, closet wing extension at second floor level, relocation of rooflights and external alterations.

26/05717/FULL 40 Wellington Road London NW8 9TJ
Installation of plant machinery and satellite dish to roof, plus associated works.

26/05400/FULL 48 Chapel Street London NW1 5DH
Erection of a part 3, part 8 storey building (plus lower ground floor and basement levels) comprising a public house (Sui Generis) and hotel (Use Class C1), together with refuse and cycle storage, rooftop plant and ventilation, planting of new tree, relocation of two K2 telephone kiosks and associated works. (Linked to 26/05394/LBC)

26/04516/FULL 8 Hamilton Close London NW8 8QY
Alterations to windows and doors to front and rear elevations and installation of solar panels to roof.

26/04537/LBC 84 Carlton Hill London NW8 0ER
Demolition of existing garage. Lower ground and ground floor side extension, relocation of main entrance and full refurbishment. Replacement railings to front lightwell and creation of new side access. Alterations to rear patio. (Linked with 26/04536/FULL)

26/05681/LBC 99 Hereford Road London W2 5BB
External and internal alterations to provide an upper ground floor rear balcony and metal staircase to the rear garden and steps from garden to basement lightwell. (Linked to 26/05680/FULL)

26/05068/LBC Basement Front Flat 53 Queen’s Gardens London W2 3AF
Provision of front lower-level window grill and external lighting to basement steps (Retrospective).

26/05706/FULL Flat 20 Abbey Lodge Park Road London NW8 7RJ
Installation of a 2-inch Taylor valve, new riser pipework connected to the valve to the building, and a new manifold serving five metre boxes within the open basement lightwell area.

26/05397/LBC Flat C 32 Leinster Square London W2 4NQ
Amalgamation of two flats (32C and 33C Leinster Square) into a single dwelling, formation of internal opening and associated refurbishment works. (Linked with 26/05654/FULL)

26/05500/LBC 21 Princes Gate London SW7 1PT
Replacement of floor coverings and floor/ceiling structure at third floor rear balcony, structural strengthening works in rear building wall and works to second floor ceiling under balcony. 

26/05768/FULL 24 Bloomfield Terrace London SW1W 8PQ
Variation of condition 1 of planning permission dated 2nd December 2022 (RN: 22/02137/FULL) for the Excavation of a basement extension, erection of lower ground and ground floor rear extensions with first floor terrace above, replacement windows at third floor level, alterations to front vaults, and air conditioning units in the rear garden and first floor terrace. NAMELY to regularise the as-built rear extension which differs from the approved set of drawings and includes alterations to the height and roof build-up. 

26/05794/LBC 24 Bloomfield Terrace London SW1W 8PQ
Retention of the rear extension as built, including alterations to the height and roof build-up, and associated alterations to the upper part of the rear elevation, in association with previously approved works under listed building consent 22/02138/LBC.

26/05499/LBC 43 Eaton Place London SW1X 8BX
Variation of condition 9 and 11 of listed building consent dated 26th February 2026 (RN: 25/06843/LBC) for the replacement of the existing fourth floor (mansard) level single glazed windows, installation of a new security camera atop the mansard and minor amendments to internal alterations previously approved under
RN: 24/08517/LBC, including retention of structural works, new areas of suspended ceiling, amendments to lighting and electrical layouts, replacement and/or retention of pre-existing wall linings/boxing/bulkheads, alterations to openings and new areas of floor coverings (part retrospective); Namely, to allow an extension for the submission of details confirming works have been undertaken in accordance with the requirements of the details set out under Conditions 9 and 11 until 31st November 2026.

26/05675/LBC 6 - 9 Carlton House Terrace London SW1Y 5AG
Replacement of existing modern glazed double door in existing opening between Marble Hall in No. 6 and corridor in No. 7 at ground floor level with glazed fire double doors and installation of fire rated secondary glazing to inside of fanlight above entrance door to Executive Directors flat at second floor level in No. 7.

26/05781/LBC 7 New Row London WC2N 4LH
Installation of four air conditioning condenser units within enclosures fitted to rear balcony at 2nd floor level. (Flat 2)

26/05797/LBC 87 Eaton Terrace London SW1W 8TW
Excavation of rear garden to increase size of lightwell and lower ground floor; install walk on roof lights to flat roofs and replacement of external doors and windows with like for like doors and windows. Internal alterations.

26/05663/LBC Flat 3 96 Eaton Place London SW1X 8LW
Alteration of timber windows to include slimline double glazing, alterations to existing passenger lift extending it to third floor mezzanine, and internal refurbishment throughout. (Linked with 26/05662/FULL)

26/05493/LBC Flat 3 Carysfort House West Halkin Street London SW1X 8JS
Replacement of single glazed windows at the ground floor flat front elevation, with slimline double-glazed windows in matching style.

26/05584/FULL Open Space At Leicester Square London WC2H 7LE
Temporary use of Leicester Square Gardens for the Skate Leicester Square event, including the erection and dismantling of temporary structures, market stalls, lighting, hoarding and other associated event infrastructure, for a three-year period between October 2026 and January 2027, October 2027 and January 2028, and October 2028 and January 2029.

26/05691/FULL Unit 5 West Building Zig Zag Building 70 Victoria Street London SW1E 6SQ
Installation of replacement planters and glazed structure comprising of integral glazing, frames and new gate to existing restaurant outdoor terrace.

You can view further information including plans and supporting documents and comment on the application online at www.westminster.gov.uk/planning. 

Comments must be submitted within 21 days of the date of this notice to be taken into consideration.

Director of Place Shaping and Town Planning - Deirdra Armsby, Westminster City Council, City Hall, 64 Victoria Street, London SW1E 6QP

Dated this 09th September 2026