Planning application
64 - 65 St James's Street London SW1A 1NF
Works: Extension Loft or dormer Demolition 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 2 September 2021 (RN: 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, reduction in height of the internal stair core roof to line through with the height of the lift overruns, removal of the 3rd floor oversailing balcony and associated fixed screen and door to the new infill extension and replacement of existing rear façade windows above Blue Ball Yard entrance within existing openings.
As published by the council, reference 22/04890/NMA
Application record
- Reference
- 22/04890/NMA
- Type
- Non-material amendments
- Status
- Decided
- Decision
- Application Permitted
- Received
- 19 Jul 2022
- Validated
- 22 Jul 2022
- Decided
- 10 Aug 2022
- Ward
- St James's
- Decision by
- Delegated Decision
- Postcode
- SW1A 1NF
Site history
Applications at this address on the Westminster register
This site has had 3 applications since 2022: 2 approved, 0 refused.
-
26/02528/ADFULL Awaiting decision
64 - 65 St James's Street London SW1A 1NF
Details of how waste is to be stored on site, pursuant to condition 18 of planning permission dated 2nd September 2021 (RN 21/02158/FULL)
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26/00434/NMA Granted
64 - 65 St James's Street London SW1A 1NF
Amendments to planning permission dated 2 September 2021 (RN: 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; increase in height of internal stair core roof; solid hinged access hatch with integrated glazed AOV replaced with sliding glazed access rooflight and separate glazed AOV.
Timeline
Dates from the published record
-
19 Jul 2022
Received by Westminster
-
22 Jul 2022
Validated
Checked as complete and ready for consideration.
-
10 Aug 2022
Decision issued: Application Permitted
-
4 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, registered in London
20 applications on PlanIndex · across 5 councils · 100% granted
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
27 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 this grant of permission means
Westminster granted permission on 10 August 2022, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 500 metres
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64 - 65 St James's Street London SW1A 1NF
Amendments to planning permission dated 2 September 2021 (RN: 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; increase in height of internal stair core roof; solid hinged access hatch with integrated glazed AOV replaced with sliding glazed access rooflight and separate glazed AOV.
Granted Amendments Extension Loft or dormer +2 27 docs -
64 - 65 St James's Street London SW1A 1NF
87% historically approved · decision due ~12 Jun
Details of how waste is to be stored on site, pursuant to condition 18 of planning permission dated 2nd September 2021 (RN 21/02158/FULL)
Awaiting decision Full applications 3 docs -
Target House 66 St James's Street London SW1A 1NE
Installation of three air conditioning units and louvre acoustic screen at roof level.
Granted Full applications 6 docs -
Target House 66 St James's Street London SW1A 1NE
Display of externally illuminated projecting sign.
Granted Advertising 4 docs -
Target House 66 St James's Street London SW1A 1NE
Replacement of existing roof mounted air conditioning equipment.
Granted Full applications 10 docs -
Target House 66 St James's Street London SW1A 1NE
Details of acoustic screen and relationship to parapet wall pursuant to Condition 7 of planning permission dated 28 January 2008 (RN: 07/09938).
Granted Full applications 3 docs
Other amendment 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.
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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.