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Planning applications in W1W

We hold 132 planning applications for the W1W postcode area, 61 of them submitted in the past year. 92% of decided applications here were approved. A decision typically takes 58 days. The area is covered by Westminster.

132
applications held
61
in the past year
92%
approved
58 days
median decision

Councils covering W1W

Westminster (132)

Recent applications in W1W

Pending
24 Aug 202626/05789/FULL
6 Bourlet Close London W1W 7BNWestminster

Alterations to a 4 storey warehouse to include changes to rear fenestration, the formation of a small external plant, replacement of existing lanterns with walk on glass roof lights, new decking to existing roof terrace and changes to the existing mansard to allow the formation of new bifolding doors.

Pending
17 Aug 202626/05592/COFUL
Holcroft Court Clipstone Street London W1W 5DFWestminster

Complete removal and replacement of facade cladding system.

Pending
13 Aug 202626/05517/ADFULL
30 - 32 Mortimer Street London W1W 7REWestminster

Details of samples of the facing materials you will use, including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to condition 5 of planning permission dated 20th February 2025(RN:24/09057/FULL)

Pending
13 Aug 202626/05518/ADFULL
30 - 32 Mortimer Street London W1W 7REWestminster

Details of samples of the facing materials you will use, including glazing, and elevations and roof plans annotated to show where the materials are to be located pursuant to condition 3 of planning permission dated 24th April 2025 (RN:25/01023/FULL)

Pending
7 Aug 202626/05366/ADFULL
Elsley House 24 - 30 Great Titchfield Street London W1W 8BFWestminster

Detailed drawings and a management plan of a planting scheme for the proposed planters pursuant to condition 8 of planning permission dated 27 March 2026 (RN:25/08537/FULL)

Pending
Small
Full
28 Jul 202626/05062/FULL
Kenilworth House 79 - 80 Margaret Street London W1W 8TAWestminster

Extension of existing rear external steel fire escape staircase by one floor to the fifth floor with associated alterations to openings.

Permitted
Small
Conditions
28 Jul 202626/05054/ADFULL
82 Margaret Street London W1W 8LHWestminster

Detailed planting scheme and an associated biodiversity management plan; pursuant to Condition 24 of planning permission dated 10th November 2025 (25/02820/FULL)

Pending
Small
Full
24 Jul 202626/04972/FULL
8 - 10 Hallam Street London W1W 6JEWestminster

The erection of residential rear roof extension, rear first floor extension and external terraces, adjustment of rear facade window positions, installation of a dormer window and multipane windows to No.10 to match No.12, refurbishment of all existing windows, installation of plant equipment and associated works.

Pending
Small
Full Planning Permission Application
24 Jul 202626/04985/FULL
Northumberland House 155 - 157 Great Portland Street London W1W 6QPWestminster

Replacement of entrance door.

Permitted
24 Jul 202626/04959/ADV
Ground Floor 72 - 73 Margaret Street London W1W 8STWestminster

Display of externally illuminated fascia sign measuring 0.25m x 3.31m, an internally illuminated projecting blade sign measuring 0.60m x 0.60m, and one non-illuminated vinyl graphic applied to glazing.

Pending
23 Jul 202626/04929/P3JPA
8 - 10 Hallam Street London W1W 6JEWestminster

Application for Prior Approval under Class MA, Part 3 of Schedule 2 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the conversion of the existing office accommodation (Class E) to provide 6 residential dwellings.

Pending
20 Jul 202626/04819/FULL
43 Bolsover Street London W1W 5AQWestminster

Installation of community garden parklet for a temporary period of 2 years

Pending
15 Jul 202626/04725/NMA
82 Margaret Street London W1W 8LHWestminster

Amendments to planning permission dated 10th November (RN 25/02820/FULL) for the 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, amendments to the wording of Condition 11, to broaden the function of the ground floor level space beyond its use by occupiers of the visitor accommodation in the building for working, socialising, entertaining, dining or as a co-working space, and to allow for the display or retail sale of goods, other than hot food as permitted by Class E(a).

Pending
15 Jul 202626/04719/FULL
30 - 32 Mortimer Street London W1W 7REWestminster

Variation of conditions 1 and 6 of planning permission dated 20 February 2025 (RN: 24/09057/FULL) for the: Installation of replacement facades on the Mortimer Street and Wells Street frontages; redecoration of brick facades; installation of replacement double glazed windows; creation of new windows in the western facing party wall; replacement of an existing gate with a brick wall with access doors on Bywell Place; installation of new balconies at first, second and third floor levels. NAMELY, to allow amendments to the facade design, introduction of an entrance canopy to the Well Street facade and Mortimer Street facade, and changes to the approved brickwork render colour.

Pending
10 Jul 202626/04650/LBC
84 Margaret Street London W1W 8TDWestminster

Replacement of three existing UPVC windows with new double glazed timber sash windows.

Pending
7 Jul 202626/04515/FULL
4 - 12 Little Titchfield Street London W1W 7BYWestminster

Installation of 8no. antennas, 2no. 300mm dishes, 2no. equipment cabinets and ancillary works thereto.

Pending
29 Jun 202626/04282/FULL
First Floor To Fifth Floor 143 - 149 Great Portland Street London W1W 6QNWestminster

Variation of condition 2 of planning permission dated 17 October 2014 (RN: 14/07298/FULL) which itself varied condition 2 of planning permission dated 6 May 2004 (RN: 03/09722), for alterations, including extension of existing fire escape staircase in connection with use of first to fifth floors for educational purposes (Class D1) as an annexe to Portland Place School at 56-58 Portland Place). NAMELY, to allow the extension of planning permission for educational use until 31 December 2032.

Pending
Small
Full Planning Permission Application
17 Jun 202626/04003/FULL
Fitzrovia Community Centre 2 Foley Street London W1W 6DLWestminster

Installation of air to air heat pumps.

Pending
16 Jun 202626/03956/FULL
3 Candover Street London W1W 7DHWestminster

Installation of overlay and durable waterproofing system to flat roof. Linked with 26/03957/LBC

Pending
16 Jun 202626/03957/LBC
3 Candover Street London W1W 7DHWestminster

Installation of overlay and durable waterproofing system to flat roof. Linked with 26/03956/FULL

Permitted
15 Jun 202626/03889/ADV
Basement And Ground Floor 42 - 44 Great Titchfield Street London W1W 7PYWestminster

Display of an internally illuminated projecting sign measuring 0.54m X 0.55m.

Refused
15 Jun 202626/03901/ADV
Ground Floor 72 - 73 Margaret Street London W1W 8STWestminster

Display of an externally illuminated fascia sign measuring 0.25m x 3.317m; an an internally illuminated projecting sign measuring 0.6m x 0.6m.

Permitted
8 Jun 202626/03735/FULL
41 Great Portland Street London W1W 7LAWestminster

Installation of ten external wall hung condenser units on rear elevation.

Permitted
3 Jun 202626/03625/ADV
Ground Floor And Basement 50 Great Portland Street London W1W 7NDWestminster

Display of non illuminated projecting sign measuring 0.50m x 0.83m.

Pending
3 Jun 202626/03630/ADFULL
82 Margaret Street London W1W 8LHWestminster

Details of operational management plan and details to us evidencing the steps taken to advertise public access, engagement with community groups, the number of visitors to the chapel and the number of bookings by any community groups to the first-floor chapel; pursuant to condition 13 and 31 of planning permission dated 10th November 2025 (RN 25/02820/FULL)

Pending
28 May 202626/03498/FULL
58 Devonshire Street London W1W 5EAWestminster

Installation of three air-conditioning units including pipework cored through the staircase external wall and routed up to the flat roof.

Pending
25 May 202626/03417/FULL
84 Margaret Street London W1W 8TDWestminster

Variation of Condition 1 of planning permission dated 8 August 2023 (23/01673/FULL) for: Internal and external alterations including installation of passenger lift within entrance porch with extension in height to 2nd floor. Relocation and replacement of external staircase to west lightwell with new railings to pavement. Installation of glass roof to central courtyard. Installation of two air conditioning units within front lightwell on Margaret Street. General works of repair and refurbishment and replacement of services throughout. Namely, to allow replacement of three existing UPVC windows with new double glazed timber sash windows instead of single glazed timber sash windows and secondary glazing as approved.

Pending
15 May 202626/03225/LBC
12A Little Portland Street London W1W 8BJWestminster

Internal refurbishment scheme alongside minor external alterations to provide signage.

Permitted
5 May 202626/02947/FULL
Flat 2 Collingwood House 103 New Cavendish Street London W1W 6XHWestminster

Installation of replacement aluminium double glazed windows to match the existing to flat 2 at sixth floor level.

Pending
27 Apr 202626/02766/FULL
Basement North And Ground Floor North 83 Great Portland Street London W1W 7LSWestminster

Installation of ventilation grilles to ground floor shopfront to serve basement plant room (AHU).

Permitted
20 Apr 202626/02605/FULL
Ground Floor 82A Great Titchfield Street London W1W 7QUWestminster

Installation of a new entrance door in the existing shopfront.

Refused
20 Apr 202626/02585/ADV
Basement And Ground Floor 23 - 25 Eastcastle Street London W1W 8DFWestminster

Display of two non-illuminated window posters measuring 3.32m x 2.98m and 3.32m x 3m. (Retrospective)

Permitted
8 Apr 202626/02313/FULL
201 - 203 Great Portland Street London W1W 5ABWestminster

Installation of two new louvres to existing lightwell; new entry door to basement from existing lightwell; new louvre doors at ground floor level for new power substation; replacement of external windows; replacement of external doors; replacement of curtain wall glazing; new lift shaft and overrun at roof level; reconfigured railings at roof level; alterations and reinstatement of existing railings.

Pending
Small
Advert Application (ADV)
2 Apr 202626/02248/ADV
50 Eastcastle Street London W1W 8EAWestminster

Display of two externally illuminated fascia signs measuring 0.375m x 0.575, 0.17m x 0.28m, one non illuminated fasica sign measuring 0.48m x 0.87m and two non illuminated projecting sins measuring 0.5m x 0.783m, 0.3m x 0.385m.

Pending
Small
Full Planning Permission Application
31 Mar 202626/02134/FULL
50 Eastcastle Street London W1W 8EAWestminster

Installation of three new dry riser inlets to serve Princess House, 50-60 Eastcastle Street, as part of a wider fire safety enhancement strategy.

Pending
Small
Full Planning Permission Application
30 Mar 202626/02096/FULL
8 - 10 Hallam Street London W1W 6JEWestminster

The erection of rear roof extension, rear first floor extension and external terraces, internal alterations to create level floorplates and associated adjustment of rear facade window positions, installation of a dormer window and multipane windows to 10 to match 12, refurbishment of all existing windows, installation of plant equipment and associated works.

Pending
Small
Approval of Details (Full PP)
27 Mar 202626/02031/ADFULL
1 Great Portland Street London W1W 8PZWestminster

Details of samples (photos) of the facing materials and planting scheme pursuant to Conditions 6 and 7 of planning permission dated 19 February 2026 (RN25/05877/FULL) (Linked 26/02030/ADLBC)

Pending
Small
Approval of Details (ADLBC)
26 Mar 202626/02030/ADLBC
1 Great Portland Street London W1W 8PZWestminster

Details of samples (photos) of the facing materials pursuant to Condition 3 of Listed Building Consent dated 19 February 2026 (RN25/05878/LBC) (Linked 26/02031/ADFULL)

Permitted
25 Mar 202626/01967/ADV
Elsley House 24 - 30 Great Titchfield Street London W1W 8BFWestminster

Display of two sets of back lit fascia lettering signs.

Pending
Small
Certificate of Lawfulness (proposed)
17 Mar 202626/01705/CLOPUD
37 Riding House Street London W1W 7ANWestminster

External alterations to Riding House comprising the removal of combustible cladding materials, including render systems, HPL cladding and timber decking and their replacement with noncombustible render, non-combustible cladding, aluminium decking and associated fire safety works across all elevations.

Pending
Small
Full Planning Permission Application
17 Mar 202626/01708/FULL
10 Great Castle Street London W1W 8LPWestminster

Variation of condition 4 of planning permission dated 15th August 2024 (RN 24/02645/FULL) for the installation of diesel back-up generator on the first floor terrace. NAMELY, to amend the condition to clarify that the generator may be used to maintain essential operational, financial, and security systems during power outages; Confirm that it will not be used for commercial energy supply or grid-support services such as STOR; and Retain the approved noise limits and testing restrictions to ensure there is no additional environmental impact.

Pending
Small
Approval of Details (Full PP)
13 Mar 202626/01661/ADFULL
Hampden House 2 Weymouth Street London W1W 5BTWestminster

Details of the ways in which you will protect the street trees adjacent to the application site on Hallam Street pursuant to condition 10 of planning permission dated 19th November 2025 (RN:25/02173).

Permitted
Small
Prior Approval Class E to Dwellings (MA)
24 Feb 202626/01145/P3JPA
Stone House 9 Weymouth Street London W1W 6DBWestminster

Change of use of ground floor of 9 Weymouth Street, a Commercial, Business, Services (Use Class E) to Dwellinghouses (Use Class C3) Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) under Schedule 2, Part 3, Class MA (Commercial, business and service to dwelling houses).

Pending
Small
Full Planning Permission Application
17 Feb 202626/01015/FULL
Hallam House 56 - 60 Hallam Street London W1W 6JLWestminster

Change of use of existing building to form 6 residential flats (Class C3), alterations to rear fenestration pattern, erection of single storey lower ground floor extension within rear lightwell to provide additional residential floorspace (Class C3) and replacement of an existing window with a door at front ground floor level.

Pending
Small
Listed Building Consent Application
13 Feb 202626/00934/LBC
Flat 5 Tower House 2 Candover Street London W1W 7DQWestminster

Removal of bath and installation of level access shower including associated works

Pending
Small
Full Planning Permission Application
11 Feb 202626/00855/FULL
Green Man 36 Riding House Street London W1W 7EPWestminster

Variation of condition 5 of planning permission dated 10 April 2024 (RN 24/01062/FULL) which in itself varied condition 5 of planning permission dated 14 March 2022 (RN: 22/00665/FULL) which in itself varied a previous planning permission for the use of the public highway for the placing of three tables and eight chairs in two areas measuring 3.5m x 1.5m and 1.6m x 1.5m in connection with the existing public house; NAMELY, to allow continued use of the area for a further two years. NAMELY, to allow the continued use of the area for a further 2 years.

Pending
Small
Approval of Details (Full PP)
11 Feb 202626/00826/ADFULL
Hallam House 56 - 60 Hallam Street London W1W 6JLWestminster

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 18 of planning permission dated 19 November 2025 (RN: 25/04301/FULL).

Pending
Small
Advert Application (ADV)
11 Feb 202626/00831/ADV
Tennyson House 159 - 165 Great Portland Street London W1W 5PAWestminster

Display of a non-illuminated fascia sign measuring 0.35m x 1.57m and one non-illuminated hanging sign to no.161 measuring 0.43m x 0.43m.

Pending
Small
Approval of Details (Full PP)
11 Feb 202626/00825/ADFULL
Hallam House 56 - 60 Hallam Street London W1W 6JLWestminster

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 4 of prior approval dated 11 March 2025 (RN: 25/00247/P3JPA).

Pending
9 Feb 202626/00758/FULL
82 Margaret Street London W1W 8LHWestminster

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.