64 St James's Street London SW1A 1NF

This site has had 2 applications since 2026.

• 26/05670/NMA Decided

  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, to allow for the installation of a condenser unit within the rear lightwell.

  Submitted 19 Aug 2026 Amendments

1. 3 Sep 2026

   Received by Westminster

2. 11 Sep 2026

   Added to PlanIndex

3. 12 Oct 2026

   Status changed to Decided

   Previously Pending.

Westminster has decided this application; the outcome above is the register's own wording and the decision notice on the council portal carries the detail. More in our guide to what happens after a planning decision.

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.

• 64 St James's Street London SW1A 1NF

  26/05670/NMA Submitted 19 Aug 2026 50 yards away

  93% historically approved · decision due ~14 Oct

  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, to allow for the installation of a condenser unit within the rear lightwell.

  Decided Amendments Extension Loft or dormer +1

• Target House 66 St James's Street London SW1A 1NE

  07/09938/FULL Submitted 14 Nov 2007 50 yards away

  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

  05/06757/ADV Submitted 18 Aug 2005 50 yards away

  Display of externally illuminated projecting sign.

  Granted Advertising 4 docs

• Target House 66 St James's Street London SW1A 1NE

  04/02534/FULL Submitted 1 Apr 2004 50 yards away

  Replacement of existing roof mounted air conditioning equipment.

  Granted Full applications 10 docs

• Target House 66 St James's Street London SW1A 1NE

  08/02859/ADFULL Submitted 31 Mar 2008 50 yards away

  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

• Target House 66 St James's Street London SW1A 1NE

  05/01594/FULL Submitted 3 Mar 2005 50 yards away

  Use of existing office unit (Class B1) at basement and ground floors as a (Class A1) retail unit.

  Granted Full applications 6 docs

• 26/07459/NMA Awaiting decision

  1 Hanover Square London W1S 1HA

  Amendments to planning pemrission dated 10 October 2025 (RN: 25/01558/FULL) for the: Partial demolition, refurbishment and extension of the existing building to provide a sub-basement, basement, ground plus eight storey building; infilling and stepped rear extension; excavation of a new sub-basement level; installation of new plant equipment at basement and roof level; terraces at fourth, fifth, sixth, seventh and eighth floor levels; soft and hard landscaping; reprovision of car parking; new cycle parking facilities; and associated external works. Use of the building for retail and/or restaurant (Class E) on part ground floor and office (Class E) on all other floors. NAMELY, to allow alterations to the design of the ground floor frontages on Hanover Square and St George Street.

  Received 3 Nov, published by the council 5 Nov 2026 Amendments
• 26/07438/NMA Awaiting decision

  29 - 31 Hill Street London W1J 5LS

  Amendments to planning permission dated 1st July 2025 (RN 25/01006/FULL) for the external alterations at roof level including the creation of Level 04 roof terrace for use in association with existing office (Class E), replacement and installation of new plant and landscaping, replacement of windows, introduction of louvres, removal and replacement of rooflights, installation of new rooflight and other associated works. NAMELY, for alterations comprising of the removal of window sash boxes and weights, changes to the window mullion arrangement, the removal of two sash windows, the installation of secondary glazing, the removal of existing chamber hatch and installation of extract vent and integrated bench, the external replacement of rainwater goods and hoppers, the removal of bricks and installation of airbricks, minor demolition works, replacement of roof covering, removal of ductwork, roof plant rearrangement, the installation of a new external door to plant area, minor layout alterations and other associated works.

  Received 2 Nov, published by the council 6 Nov 2026 Amendments
• 26/07389/NMA Decided

  Flat 1 5 Grittleton Road London W9 2DD

  Amendments to planning permission dated 04 June 2025 (RN: 25/02022/FULL), NAMELY, amendment of Condition 4 to correct the property address from 9 Aldridge Road Villas to Flat 1 5 Grittleton Road.

  29 Oct 2026 Amendments
• 26/07377/NMA Awaiting decision

  60 Ledbury Road London W11 2AJ

  Amendments to planning permission dated 2nd October 2025 (RN 25/04018/FULL) for the Partial demolition, refurbishment, and erection of a mansard roof extension to form a new third floor with dormers to front, side and rear elevations; to form 6 flats (Class C3) on upper floors; external plant equipment and ductwork; lower ground floor excavation to increase floor to ceiling height; replacement windows; cycle parking and associated external alterations; use of the part ground floor and lower ground floor as retail and restaurant (Class E). Site includes 60-68 Ledbury Road) NAMELY, An amendment to the basement and ground floor drawing reference numbers; amendment to the description of development, in reference to restaurant and or retail use; and amendments to C

  Received 28 Oct, published by the council 3 Nov 2026 Amendments
• 26/07375/NMA Awaiting decision

  77 Hereford Road London W2 5BB

  Amendments to planning permission dated 4th August 2026 (RN 26/03970/FULL) for the Replacement of roof terrace access stair with glazed hatch, new timber decking and front and rear roof railings to roof terrace, with infilling side window of closet wing. NAMELY, Hinged hatch access substituted by sliding hatch.

  Received 28 Oct, published by the council 3 Nov 2026 Amendments