Planning application
23 Chilworth Mews London W2 3RG
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
The provision of a roof terrace with associated paraphernalia.
As published by the council, reference 26/05294/CLEUD
Application record
- Reference
- 26/05294/CLEUD
- Category
- Lawful development
- Status
- Pending
- Received
- 5 Aug 2026
- Validated
- 5 Aug 2026
- Postcode
- W2 3RG
Timeline
Dates from the published record
-
5 Aug 2026
Received by Westminster
-
11 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 30 September 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Westminster took a median of 61 days over the applications it decided in the last year.
What happens while it is decided
This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided lawful development applications in a median of 78 days. More in our guide to how long planning decisions take.
About lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
13 Chilworth Mews London W2 3RG
87% historically approved · decision due ~29 Oct
Alterations to ground floor front elevation and conversion of garage to habitable space.
Awaiting decision Full applications 14 docs -
40 Eastbourne Terrace London W2 6LG
Trees fronting Chilworth Mews T1 Sorbus: Crown lift to 2.5m, pruning only small diameter branches and secondary laterals, concentrating on area overhanging parking space. T2 Maple: Crown lift to 4m removing secondary growth only, deadwood. T3 Sorbus: Crown lift to 3.5m removing secondary growth only, deadwood, side lateral reduction on east side only by 1.5m to suitable branch junctions. Remove selected branches to clear street light by 0.5m. Tidy stubs. T4 Thorn: Prune with hand tools and polesaws branches overhanging parking bays by 0.5m T5 Malus: Lift extended laterals to 2.5m back to suitable growth points, deadwood, prune clear of street light giving 0.5m clearance, side lateral reduction on east and west side only by 1m to reduce overhang on parking space.
Granted Trees 8 docs -
7 Chilworth Mews London W2 3RG
Erection of mansard storey containing dormers and rooflights, replacement of front windows with hardwood double-glazed conservation sash windows, renovation of the front entrance door and refurbishing facade.
Granted Full applications Loft or dormer Windows or glazing 19 docs -
43 Westbourne Terrace London W2 3UR
Reconfiguration of a three bedroom lateral apartment including, reinstating reception room to original format by removal of non-original partition wall, reinstating rear room to original format by removal of non-original bathroom partition walls, removal of non-original partition walls to create single larger kitchen room closer to original format, new decorative plaster ceiling in reception room in keeping with age and style of room, retaining original window shutters and plaster ceiling to bedroom 3, new kitchen and bathrooms, new wood floor to replace current non-original wood flooring,
Granted Heritage and listed buildings Windows or glazing 19 docs -
15 Chilworth Street London W2 3QU
Details of mitigation of on-street parking demand pursuant to Condition 3 of planning permission dated 6 January 2011 (RN:10/08782).
Granted Full applications 3 docs -
15 Chilworth Street London W2 3QU
Details of windows and doors, railings and staircases and revisions to ground floor rear extension at boundary with No.17 Chilworth Street pursuant to Conditions 3(a), 3(b), 3(c) and 5 of planning permission dated 3 August 2010 (RN:10/00469).
Granted Full applications Extension Windows or glazing 7 docs
Other lawful development applications
In Westminster
-
26/05871/CLEUD Awaiting decision
32 Cambridge Street London SW1V 4QH
Confirmation of the lawful implementation of planning permission dated 13 August 2021 (RN: 21/04143/FULL) has commenced before the expiry of the three year time period and may, therefore, lawfully be carried out and completed.
-
26/05816/CLOPUD Awaiting decision
124 - 126 Wardour Street London W1F 0TY
Use of flats 1, 2 and 4 as three single dwellinghouses (Class C3).
-
26/05786/CLOPUD Awaiting decision
6 Grosvenor Street London W1K 4DJ
Confirmation that the planning permission dated 31 July 2024 (RN: 23/08374/FULL) for the: Refurbishment and extension of existing Class E building to include the extension of the fifth floor, partial demolition and reconstruction of the sixth floor, erection of a new seventh floor with external terrace, alterations to the Avery Row and Grosvenor Street elevations to include new shopfronts, entrances and replacement windows, installation of green roof and photovoltaic panels at main roof level and installation of screened plant at seventh floor level. (SITE INCLUDES 4 GROSVENOR STREET), was lawfully implemented prior to the expiration date and that it is lawful to complete the outstanding works.
-
26/05724/CLEUD Awaiting decision
The Sky Bar Trocadero 13 Coventry Street London W1D 7DH
Confirmation of the lawful implementation of planning permission dated 31 August 2023 (RN: 22/06174/FULL) has commenced before the expiry of the three year time period and may, therefore, lawfully be carried out and completed.
-
26/05560/CLOPUD Awaiting decision
3 Northumberland Place London W2 5BS
Painting of the front facade of the building.