Planning application
52 Green Street London W1K 6RS
Works: Extension Loft or dormer Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Amendments to planning permission dated 10 November 2010 (RN:10/07910) for use of the building for residential purposes (Class C3) to create five residential units (1 x 1 bed, 2 x 2 beds, 2 x 3 beds) with associated external alterations including extensions at first to fourth floor levels; erection of rear mansard roof extension, alterations to the existing roof light, installation of new rooflights and a satellite dish and alterations to front and rear facades. Installation of air conditioning equipment and construction of a conservatory at rear ground floor level, namely raising cill level of one new window on rear elevation by approx. 395 mm.
As published by the council, reference 11/02455/NMA
Application record
- Reference
- 11/02455/NMA
- Type
- Non-material amendments
- Status
- Decided
- Decision
- Application Permitted
- Received
- 11 Mar 2011
- Validated
- 11 Mar 2011
- Decided
- 8 Apr 2011
- Ward
- West End
- Decision by
- Delegated Decision
- Postcode
- W1K 6RS
Timeline
Dates from the published record
-
11 Mar 2011
Received by Westminster
-
8 Apr 2011
Decision issued: Application Permitted
-
20 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, registered in London
2 applications on PlanIndex
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
6 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About amendments applications
How this application type works
An amendment application changes a permission that already exists. Non-material amendments cover small adjustments with no wider effect, while minor material amendments, usually made by varying a condition, allow modest design changes without a fresh application. Anything beyond that needs a new permission, so the scope here is deliberately narrow.
Nearby applications
Within 500 metres
-
52 Green Street London W1K 6RS
Details of post installation noise report to set maximum noise level pursuant to Condition 3 of planning permission dated 10 November 2010 (RN:11/03280).
Granted Full applications 3 docs -
52 Green Street London W1K 6RS
Use of the existing building from offices (Class B1) to residential use (Class C3) to create seven residential units (3x1 bed, 2x2 bed and 2x3 bed). Erection of a ground floor rear extension and first and second floor side extension in lightwell, alterations to roof at rear fourth floor level and alterations to the roof light. [Part of land use swap with 40-54 Grosvenor Hill].
Granted Full applications Extension Loft or dormer 17 docs -
104 Park Street London W1K 6NF
85% historically approved · decision due ~28 Jul
Display for a temporary period of six months of a non-illuminated estate agent board located on the face of the building at ground floor level and measuring 0.45m x 0.6m.
Awaiting decision Advertising 4 docs -
104 Park Street London W1K 6NF
85% historically approved · decision due ~18 May
Display for a temporary period of six months of a non-illuminated 'to let' board attached to the railings in front of the building at street level and measuring 0.6 x 0.9m. (renewal)
Awaiting decision Advertising 5 docs -
57 Green Street London W1K 6RH
87% historically approved · decision due ~9 Jul
Replacement of two air conditioning condensers and minor alterations to the existing acoustic enclosure (replacement of three solid panels with acoustic louvres)
Awaiting decision Full applications 36 docs -
21 Lees Place London W1K 6LR
Partial demolition; basement excavation; replacement ground floor frontage; creation of a rear lightwell; installation of a new window on the west elevation; and associated external works in connection with residential use of part of the ground floor and new basement floor as a three bedroom residential unit (Class C3). (Land use swap with 20 Upper Grosvenor Street (REF: 25/06740/FULL))
Granted Full applications Demolition Windows or glazing 55 docs
Other amendments applications
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26/05886/NMA Awaiting decision
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Amendments to planning permission dated 10th July 2025 (RN 25/00695/FULL) for the Use of part-ground, first, sixth, seventh and eighth floor levels as an Embassy (sui generis). Associated external alterations to the ground floor facade on Carlton House Terrace, and part ground floor to Piazza (Spring Gardens) frontage. External alterations to the doors. Installation of roof plant and security screens to the eighth floor. NAMELY, Addition of external attached building signage on West Elevation and South Elevation; Addition of two flagpoles on West Elevation; Addition of a parcel pass through, rather than fixed panel, to door on North Elevation; and omission of smoke vent and replacement with new paving to match existing paving.
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26/05881/NMA Awaiting decision
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Amendments to planning permission dated 11 August 2026 (RN: 26/04158/FULL) for the: Erection of a single-storey rear extension at lower ground floor level; replacement of existing rear window with a door at ground floor level and creation of terrace with associated railings/screening; and associated external alterations. NAMELY, revise the height of the rear elevation kitchen French doors.
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26/05798/NMA Awaiting decision
3 Blenheim Road London NW8 0LU
Amendments to planning permission dated 18th January 2024 (RN:22/04886/FULL) for Excavation of single-storey basement extension with lightwells to front and rear gardens; Erection of single-storey extension to rear and three-storey extension to side; Formation of door to rear at lower ground floor level; Landscaping works; and associated external alterations. Namely, internal alterations and minor adjustment to rooflight position.
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26/05670/NMA Awaiting decision
64 St James's Street London SW1A 1NF
Amendments to planning permission dated 2nd September 2021 (21/02158/FULL) for: Demolition of the existing mansard roof and removal of plant and escape stair; erection of new double mansard roof extension and rear extension for additional commercial floorspace (Use Class E); and installation of new escape stair, rear balconies, roof terrace and associated works namely, amendments to allow for the installation of a condenser unit within the rear lightwell.
-
26/05674/NMA Awaiting decision
52 Eaton Place London SW1X 8AL
Amendments to planning permission dated 25 September 2025 (25/05108/FULL) for: Alterations to rear extension at first floor level including creation of rear roof terrace at second floor level; replacement of first and second floor level front windows with double glazed timber sash windows; replacement of front door; reinstatement of period windows and doors namely, to allow replacement of second floor rear full height sash window with set of french doors.