Planning applications in Westminster, April 2026

7 St James's Place London SW1A 1NP

Details of the internal doors pursuant to condition 3 of listed building consent dated 9th February 2026 (RN: 25/05599/LBC).

17 Hertford Street London W1J 7RS

Replacement of non-original casement windows at Level 03 with timber sash windows; new structure for mansard extension, infill of existing lightwell and repositioning of skylight above stairwell. [Linked to 26/02817/FULL]

17 Hertford Street London W1J 7RS

Replacement of non-original casement windows at Level 03 with timber sash windows; new structure for mansard extension, infill of existing lightwell and repositioning of skylight above stairwell. [Linked to 26/02818/LBC]

152 - 153 Strand London WC2R 2LS

Series of investigative works including core holes and removal of plaster. The proposed works sought will determine if historic construction exists, and allow the structures and services to be inspected. The works have been carefully located to ensure minimal disturbance to the historic fabric of the building while providing essential information about the building's construction.

17 Bruton Street London W1J 6QB

Proposed use of the highway forecourt measuring 8.9m by 0.37m for the placing of 7 branded planters.

Flat D 42 South Audley Street London W1K 2PT

Replacement of the existing modern wood floor finish in the main living room and part of the hallway.

206 Wymering Road London W9 2NA

T1- Silver Birch tree in front garden lifting stone in front garden- cut to ground level.

12 Chesterfield Street London W1J 5JN

Rectification of unauthorised stripout works; exterior works including replacement of tiling, addition of cast iron pipework, installation of pergola to garden, alterations to approved design of first floor rear terrace; alteration to basement floorplan layout; and installation of floor insulation. [Linked to 26/02811/FULL]

12 Chesterfield Street London W1J 5JN

Rectification of unauthorised stripout works; exterior works including replacement of tiling, addition of cast iron pipework, installation of pergola to garden, alterations to approved design of first floor rear terrace; alteration to basement floorplan layout; and installation of floor insulation. [Linked to 26/02812/LBC]

33 St James's Square London SW1Y 4JS

Variation of conditions 1, 11, 16, 24 and 25 of planning permission dated 19 October 2020 (RN: 20/03222/FULL) for the partial demolition and reconstruction of enlarged rear extension with additional storey; formation of terraces at ground, fourth, fifth and sixth floor levels; excavation to extend existing basement level; installation of plant machinery; internal alterations including installation of new grand stair; and associated external alterations in connection with increase in office floorspace (Class B1). NAMELY, to make changes to the approved drawings to allow changes to extend the lift overrun, remodelling of the roofscape, introduction of a secondary external staircase, omission of sixth floor east elevation terrace, minor amendments to elevations, plant reconfiguration and internal design changes. This also includes variations to Condition 11 (Roof Terrace), Condition 16 (Operational Management Plan), Condition 24 (Roof Terrace Hours) and Condition 25 (C`harles II Street crossover). [Linked to 26/02705/LBC]

Flat 6 21 - 22 Westbourne Street London W2 2TZ

Replacement of two front-elevation windows at the second floor level with double glazed Critall replacement windows. (Linked to 25/09243/LBC)

North Wing Courtauld Institute Of Art Somerset House Strand London WC2E 7EA

Series of investigative works to the North Block. The proposed investigative and opening up works comprise trial pits in third party walls at basement level, the careful removal of plaster in various locations to expose the structure behind, and other physical works to open up elements of the building where required to better inform the Stage 4 design elements within the existing structural context. The locations of the opening up works have been carefully selected to ensure minimal disruption on the historic fabric, and where possible, investigations and openings are proposed in areas of twentieth century construction.

4 Denman Street London W1D 7HD

Display of internally illuminated projecting sign measuring 0.8m X 0.6m, and externally illuminated other sign 0.8m X 1.24m

103 Clifton Hill London NW8 0JR

1 x dead horse chestnut: fell

17 - 21 South Audley Street London W1K 2NY

Replacement of floorboards, installation of new floor build ups (including a new plywood structural deck), and new floor finishes at ground floor level

6 Bell Yard London WC2A 2JR

Removal and replacement of existing rooftop condensers with two new VRF units and acoustic screen.

Carnaby Street London W1F 9PB

Display of non illuminated hanging sign ('Papel Picado' decorations) measuring 1.8m X 2.4m and internally illuminated other sign (Anamorphic Mural) measuring 1.8m X 2.4m

62 Marlborough Place London NW8 0PL

T1 Robinia: Reduce by approx 3m from the height and width to previous points Routine Maintenance

The Dilly 21 Piccadilly London W1J 0BH

Retrospective application for internal refurbishment of Level 2 lift lobby.

96 Park Street London W1K 6NY

Variation of Condition 1 of planning permission dated 25th February 2025 (RN:24/09049/FULL) for: External alterations including the erection of single-storey roof extension to enlarge the existing, albeit reconfigured, fourth floor flats with a terrace, plant within an enclosure, an area sedum roof and an area blue roof above; installation of replacement windows throughout, installation of a replacement garage door and the installation of new dry riser inlet inset within existing railing to the lightwell along the Park Street frontage (Site include 92 - 96 Park Street) namely, reconfiguring the blue/green roof and paving slab finishes, raising of a portion of the party wall to 98-100 Park Street to provide guarding to the proposed roof terrace; reduction in number of fixed roof lights and increased sizes of two remaining fixed roof lights, the opening glazed roof light providing access from the Flat 10 5th floor to the roof terrace raised by 430mm, portion of main roof lowered over the existing lift shaft to receive one of the proposed ASHP, in order to screen the ASHP and ensure adequate air flow around the unit, the location of the second ASHP is proposed on the terrace, again to ensure adequate air flow to the unit, a new metal access ladder, painted black, is proposed to provide roof access from the 4th floor flat roof adjacent to the lightwell to the main roof in order to maintain the blue/green roof and services plant, three smaller opaque glazed windows are proposed overlooking the lightwell at 5th floor level & a pair of solid timber fire doors, new handrails are proposed to the flat roof surrounding the 4th floor roof adjacent to the lightwell, At 4th floor level, three of four existing windows overlooking the lightwell to recieve treatment

All Souls Clubhouse 141 Cleveland Street London W1T 6QG

Installation of vents to internal air to air heat pumps (Linked to 26/03617/LBC)

90 - 100 Edgware Road London W2 2EA

Display of two internally illuminated projecting signs measuring 0.65m x 0.545m; vinyls to glazing, one measuring 0.995m x 0.835m, one measuring 1.4m x 1.175m, one measuring 0.675m x 0.763m, and twenty-three measuring a total of 1.4m x 24.9m; and three internally illuminated fascia signs, one measuring 0.495m x 1.7m, one measuring 0.475m x 1.115m and one measuring 0.505m x 0.425m.

29 Great Marlborough Street London W1F 7HZ

Display of two externally illuminated projecting signs measuring 1.35m x 0.9m; an internally illuminated menu case measuring 0.512m x 0.395m; a non-illuminated plaque measuring 0.25m x 0.25m; six internally illuminated lanterns measuring 0.6m x 0.3m; two externally illuminated fascia signs measuring 0.35m x 6.034m; two non-illuminated fascia sign measuring 1.42m x 1.04 and 0.9m x 0.6m; and six internally illuminated floodlights measuring 0.187m x 0.261m.

6 Suffolk Street London

Replacement gates. (Linked to 26/03151/FULL)

Basement And Ground Floor 118 - 120 Shaftesbury Avenue London W1D 5EP

Display of two internally illuminated fascia signs measuring 0.8m x 0.9m and 0.4m x 2.9m; and two internally illuminated projecting signs measuring 0.5m x 0.5m.

23 - 24 Great Marlborough Street London W1F 7HU

Display of non-illuminated umpire chair measuring 1.9m x 1.591m; two non-illuminated banners measuring 2m x 0.6m; four non-illuminated flower displays, one measuring 0.25m x 1.9m and three measuring 0.25m x 1.8m; and three non-illuminated planters, one measuring 0.5m x 2m and two measuring 0.5m x 1.8m for a temporary period from 16 June 2026 to 16 July 2026.

47 Sutherland Place London W2 5BY

T2 & T3- Lime trees (Tilia spp.)- Carry out a selective crown reduction by removing recent regrowth back to the previous points of reduction. The works will be undertaken to re-establish the original crown framework while maintaining a balanced and uniform canopy. Approximately 50 percent of the fine furnishing growth will be retained throughout the crown to ensure adequate foliage density, support crown continuity, and maintain long-term vitality. Reason for works: General tree maintenance

Flat 6 17 Ennismore Gardens London SW7 1AA

Alterations at fifth floor level including replacement of windows with doors and installation of railings to the front elevation, and replacement of a window with a door to the rear elevation. Installation of three skylights at main roof level (Linked with 26/02787/FULL).

Flat 6 17 Ennismore Gardens London SW7 1AA

Alterations at fifth floor level including replacement of windows with doors and installation of railings to the front elevation, and replacement of a window with a door to the rear elevation. Installation of three skylights at main roof level (Linked with 26/02788/LBC).

Flat 2 284 Elgin Avenue London W9 1JR

Details of dormer construction, lead detailing and timber sash window pursuant to condition 4 of planning permission dated 18th March 2026 (RN: 25/05516/FULL).

5A Goldney Road London W9 2AP

Details of confirmation that the framing to the new windows at lower ground levels to the front elevation are formed in white painted timber framing (and not in UPVC framing) and approval of elevation and section drawings showing the new windows at scale 1:5 and 1:10 (as appropriate, and including break lines in the drawings if required) including glazing bar details and including the relationship of the windows to the external wall of the building and also any rebates present in the wall surrounding the window openings pursuant to condition 4 and 5 of planning permission dated 16th March 2026 (RN:25/08144/FULL)

10 Wythburn Court Seymour Place London W1H 7NS

The replacement of three rooflights with two lead clad dormers with full height windows and juliet balcony.

Sanctuary Buildings 20 Great Smith Street London SW1P 3BT

Installation of automatic opening vents to window openings at levels 00, 01, 02 and 03 on east and west elevations.

6 - 11 Harcourt Street London W1H 4AG

Upgrading of Fire doors and creation of fire separating lobbies between different use classes.

3 Great Cumberland Mews London W1H 7DZ

Removal of Condition 7 of planning permission dated 16th April 2026 (RN: 25/08713/FULL) to remove the requirement to secure measures to mitigate the potential increased demand for on-street residents car parking in the vicinity of the site.

The National Gallery Trafalgar Square London WC2N 5DN

Replacement of existing external entrance doors at the St Martins Wing and Portico entrances of The National Gallery. (Linked to 26/02784/LBC)

400 Harrow Road London W9 2HU

Notification for Prior Approval for conversion of the first and second floor from Class E to 1 X 2 person 1 bedroom flat and 1 x 1 person studio flat. Town and Country Planning (General Permitted Development) (England) Order 2015 - Schedule 2, Part 3, Class G.

The National Gallery Trafalgar Square London WC2N 5DN

Replacement of existing external entrance doors at the St Martins Wing and Portico entrances of The National Gallery. (Linked to 26/02783/FULL)

126 Hamilton Terrace London NW8 9UT

Repair, maintenance and like-for-like renewal of defective building fabric, together with the removal of later non-original internal elements and renewal of services using existing routes. Externally, works are limited to essential like-for-like repairs to the building envelope, including roof coverings, render, stucco, brickwork, flashings and rainwater goods. Internally, original features are retained and refurbished, with works limited to the removal of non-original fittings and finishes and associated making good. No works are proposed which alter the character or appearance of the listed building or its features of special architectural or historic interest. The proposed works are limited to the repair, maintenance and like-for-like renewal of defective building fabric, together with the removal of later non-original elements of no heritage significance and the renewal of services using existing routes. All original features of architectural or historic interest are retained and refurbished. The works do not involve any alteration to the character or appearance of the listed building, nor any change to its plan form, structure or significant historic fabric. External works are confined to essential like-for-like repairs using appropriate traditional materials and techniques. Internal works are limited to the removal of non-original fittings and finishes, with associated making good to match existing. The works therefore do not affect the character of the listed building as a building of special architectural or historic interest and do not require Listed Building Consent.

47 Sutherland Place London W2 5BY

T1 Cherry (Prunus spp.) - Rear Garden - Fell to ground level leaving a small stump of 6 - 12 inches. Reason for works- Causing damage to the boundary wall, which as a result will need to be re-built. The owner of the tree is willing to replant a suitable replacement once the wall has been rebuilt. T2 & T3- Lime trees (Tilia spp.)- Carry out a selective crown reduction by removing recent regrowth back to the previous points of reduction. The works will be undertaken to re-establish the original crown framework while maintaining a balanced and uniform canopy. Approximately 50 percent of the fine furnishing growth will be retained throughout the crown to ensure adequate foliage density, support crown continuity, and maintain long-term vitality. Reason for works: General tree maintenance

10 Charlbert Street London NW8 7BP

Sample of Opaque glass, including details of Solar panels incorporated to the flat roof including their projection; pursuant to condition 4 and 6 of planning permission dated 4th July 2025 (RN 25/02612/FULL)

38 Third Avenue London W10 4RT

Installation of replacement single-glazed timber sash windows to front elevation with new vacuum-glazed timber sash windows painted white; and other associated works.

108 Shirland Road London W9 2EQ

Details of a Secured by Design accreditation shall be obtained for the building; pursuant to condition 13 of planning permission dated 4 December 2024 (RN 24/02206/FULL)

16 Soho Square London W1D 3QH

Replacement shopfronts to the retail units of number 16 Soho Square.

525 Harrow Road London W10 4RH

Detailed elevation drawings showing all new railings and external metalwork to both the existing Flora public house and also the new building to the existing beer garden site and detailed plan/elevation/section drawings (as appropriate) of the three openings flanking the ground floor beer garden on the Harrow Road elevation of the new building pursuant to conditions 17 and 18 of planning permission dated 4th June 2021 (RN: 20/04897/FULL).

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.

53 Romney Street London SW1P 3RF

Adjust entrance threshold to improve disabled access

3 Great Cumberland Mews London W1H 7DZ

Details of appropriate arrangements to secure measures to mitigate the potential increased demand for on-street residents car parking in the vicinity of the site pursuant to condition 7 of planning permission dated 16th April 2026 (RN:25/08713/FULL)

Flat 348 The Colonnades 34 Porchester Square London W2 6AU

Replacement patio doors

234 Regent Street London W1B 3BR

Display of internally illuminated icons on facade over an area of 6.3m x 8m for a temporary period from 04 May 2026 to 24 May 2026.