Council planning record

Amendments to planning permission dated 02 September 2021 (RN: 21/02158/FULL) for the: 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 the footprint of the rooftop plant enclosure and increase the height of the roof-level railing, necessitated by a revised roof level.

64 St James's Street London SW1A 1NF

PendingReference: 26/06009/NMACity of Westminster

Last published check: 21 Sept 2026, 01:16. Check the council record for more recent changes.

Application location

64 St James's Street London SW1A 1NF

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Application summary

Status
Pending
Application type
Non-material amendments
Received
3 Sept 2026
Validated
3 Sept 2026
Determination deadline
Not published
Local authority
City of Westminster

Application overview

Amendments to planning permission dated 02 September 2021 (RN: 21/02158/FULL) for the: 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 the footprint of the rooftop plant enclosure and increase the height of the roof-level railing, necessitated by a revised roof level.

Proposal details

Reference
26/06009/NMA
Alternative references
PP-15198506
Ward
St James's
Agent
Squire and Partners

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Documents 20 of 20

DocumentPublishedAction
ACK - NON-MATERIAL AMENDMENTBackground Papers · PDF14 Sept 2026View
RECEIPT OF APPLICATIONOther · PDF9 Sept 2026View
APPLICATIONFORMREDACTEDApplication Form · PDF3 Sept 2026View
NORTH ELEVATION PROPOSEDDrawing · PDF3 Sept 2026View
SECTION AA PROPOSEDDrawing · PDF3 Sept 2026View
SOUTH ELEVATION PROPOSEDDrawing · PDF3 Sept 2026View
WEST ELEVATION PROPOSEDDrawing · PDF3 Sept 2026View
ROOF PLAN PROPOSEDDrawing · PDF3 Sept 2026View
SECTION BB PROPOSEDDrawing · PDF3 Sept 2026View
EAST ELEVATION PROPOSEDDrawing · PDF3 Sept 2026View
WEST ELEVATION EXTRACT PROPOSEDDrawing · PDF3 Sept 2026View
SECTION BB PROPOSEDDrawing · PDF3 Sept 2026View
NORTH ELEVATION PROPOSEDDrawing · PDF3 Sept 2026View
EAST ELEVATION PROPOSEDDrawing · PDF3 Sept 2026View
ROOF PLAN PROPOSEDDrawing · PDF3 Sept 2026View
SECTION AA PROPOSEDDrawing · PDF3 Sept 2026View
SOUTH ELEVATION PROPOSEDDrawing · PDF3 Sept 2026View
DESIGN ADDENDUMDesign and Access Statement · PDF3 Sept 2026View
COVERLETTERBackground Papers · PDF3 Sept 2026View
NOISE IMPACT ASSESSMENT (ROOFTOP PLANT AREA)Acoustic report · PDF3 Sept 2026View

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  2. Application Validated Date

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