64 St James's Street London SW1A 1NF

This site has had 2 applications since 2026.

• 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.

  Submitted 19 Aug 2026 Amendments

1. 3 Sep 2026

   Received by Westminster

2. 11 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 29 October 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 64 days over the applications it decided in the last year.

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided amendment applications in a median of 54 days. More in our guide to how long planning decisions take.

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 0m 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, amendments to allow for the installation of a condenser unit within the rear lightwell.

  Awaiting decision Amendments Extension Loft or dormer +1

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

  07/09938/FULL Submitted 14 Nov 2007 0m 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 0m 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 0m 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 0m 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 0m away

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

  Granted Full applications 6 docs

• 26/06160/NMA Awaiting decision

  The Arcade Dolphin Square London SW1V 3LX

  Amendments to planing permission dated 11 June 2025 (RN: 25/01157/FULL) for: Alterations to the ground floor of Rodney House including the shopping arcade, with the introduction of new shopfronts to the Chichester Street frontage; new entrances with accessible ramps for accessibility; and associated works. Namely, amendments to the treatment of the end bays of the Chichester Street elevation

  9 Sep 2026 Amendments
• 26/06071/NMA Awaiting decision

  3 - 6 Kenrick Place London W1U 6HD

  Amendments to planning permission dated 29th April 2026 (RN 26/01390/FULL) for the Erection of new rear dormer, refurbishment of the existing windows (excluding the ground floor shopfront glazing to No. 6 Kenrick Place) with new painted timber framed double glazed units, replacement of glazed roof lantern with a new metal framed roof lantern, installation of four new condenser units at roof level, installation of timber doors and Juliet balcony railing to front elevation, installation of two rooflights to the west facing pitched roof, installation of frosted manifestation film to a small number of west elevation window panes and installation of access door, safety balustrading and safety access walkway at roof level. NAMELY, to provide updated Environmental Noise Survey and HVAC Plant Noise Impact Analysis' report document with version 4.0 (dated 3rd August 2026). The changes to the report reflect the assessment based on a different window within the lightwell, which the neighbour identified as being a bedroom (previously assumed to be a bathroom). This has resulted in a change to insertion loss requirements for the plant enclosure.

  7 Sep 2026 Amendments
• 26/06050/NMA Decided

  8 - 10 Great George Street London SW1P 3AE

  Amendments to planning permission dated 08 November 2019 (RN: 19/02730/FULL) for the Use of part ground and upper floors as a 134-room hotel (Class C1); use of part lower ground as a leisure suite (Class D2); use of ground floor as restaurant/bar (Class A3/A4), external alterations, including demolition to include the removal of the rooftop plant enclosures and replacement with a single-storey extension, remodelling of the Little Sanctuary elevation and introduction of balconies and lightwells. NAMELY, to amend the description of development so that the reference to a 134-room hotel is amended to identify 134 rooms as the maximum number of hotel rooms permitted as part of the development.

  4 Sep 2026 Amendments
• 26/05886/NMA Awaiting decision

  10 Spring Gardens London SW1A 2BN

  Amendments to planning permission dated 10 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, the addition of external attached building signage on the west elevation and south elevation, addition of two flagpoles on the west elevation, additional of a parcel pass through, rather than a fixed panel to the door on the north elevation and omission of a smoke vent and replacement paving to match existing paving.

  27 Aug 2026 Amendments
• 26/05881/NMA Awaiting decision

  50A Warlock Road London W9 3LW

  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.

  27 Aug 2026 Amendments