Flat 1 103A Park Street London W1K 7JW

1. 24 Nov 2025

   Received by Westminster

2. 27 Feb 2026

   Decision issued: Application Permitted

3. 4 Aug 2026

   Added to PlanIndex

Westminster granted permission on 27 February 2026, 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.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• Flat 3 26 Green Street London W1K 7AY

  25/08510/FULL Submitted 20 Nov 2025 50 yards away

  Installation of condenser unit on roof within acoustic enclosure; amendments to previously approved roof terrace and dormer including ommision of previously approved rooflight.

  Granted Full applications Loft or dormer 31 docs

• 52 Green Street London W1K 6RS

  12/02920/ADFULL Submitted 16 Mar 2012 50 yards away

  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

  11/02455/NMA Submitted 11 Mar 2011 50 yards away

  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.

  Granted Amendments Extension Loft or dormer +1 6 docs

• 52 Green Street London W1K 6RS

  08/04266/FULL Submitted 13 May 2008 50 yards away

  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

• Green Street Garden Wood's Mews London W1K 7DL

  26/02733/TDD Submitted 24 Apr 2026 50 yards away

  100% historically approved · decision due ~19 Jun

  1 x Norway maple - removal

  Awaiting decision Trees 1 doc

• Green Street Garden Wood's Mews London W1K 7DL

  25/08029/TCA Submitted 5 Nov 2025 50 yards away

  1 x Tree Cotoneaster sp. (T39 ): Remove the low, extended limb to the northwest at approx. 1.2 m, obstructing the footpath, back to the main primary stem union.

  Granted Trees 6 docs

• 26/05984/FULL Decided

  41 Sutherland Street London SW1V 4JX

  Replacement of front, side and rear windows with double glazed timber framed sash windows and replacement of a door with a double glazed timber framed door.

  Received 2 Sep, published by the council 11 Sep 2026 Full applications
• 26/07229/FULL Awaiting decision

  5 D'arblay Street London W1F 8DL

  Painting of the shopfront facade and alterations to the existing fixed windows to form two openable sash windows. (Linked with 26/07230/ADV)

  Received 22 Oct, published by the council 26 Oct 2026 Full applications
• 26/07224/FULL Awaiting decision

  8 Hinde Street London W1U 3BQ

  Use of the building as an Embassy (sui generis) with reversion to Class E on cessation of occupation by the Government of the United Mexican States. Erection of a flagpole to front elevation.

  Received 22 Oct, published by the council 26 Oct 2026 Full applications
• 26/06134/FULL Decided

  Flat 10H Hyde Park Mansions Cabbell Street London NW1 5BG

  Replacement of front and rear second floor level windows with slim-profile double-glazed panels, retaining the existing window and door frames.

  Received 8 Sep, published by the council 15 Sep 2026 Full applications
• 26/07258/FULL Awaiting decision

  16A Croxley Road London W9 3HL

  Installation of air to air heat pumps to offices and bedrooms.

  Received 22 Oct, published by the council 23 Oct 2026 Full applications