78 Brompton Road London SW3 1ER

1. 23 Jun 2025

   Received by Westminster

2. 18 Aug 2025

   Validated

   Checked as complete and ready for consideration.

3. 16 Oct 2025

   Decision issued: Not required

4. 30 Aug 2026

   Added to PlanIndex

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.

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.

• Princes Court 88 Brompton Road London SW3 1ER

  26/03516/FULL Submitted 28 May 2026 50 yards away

  88% historically approved · decision due ~23 Jul

  Construction of a single storey roof extension on the rooftop of Princes Court to create 5 no. residential dwellings (Class C3), provision of cycle storage at ground floor, use of ground floor residential waste stores, and associated works.

  Awaiting decision Full applications Extension 46 docs
  Small domestic

• Princes Court 78 - 94 Brompton Road London SW3 1ES

  02/06563/FULL Submitted 21 Aug 2002 50 yards away

  Installation of three antennae, one radio equipment cabin on grille and safety handrail at roof level to form a Metropolitan Police telecommunications base station.

  Granted Full applications 8 docs

• Flat 76 Princes Court 88 Brompton Road London SW3 1ET

  05/01619/FULL Submitted 4 Mar 2005 50 yards away

  Retention of six air conditioning units at roof level.

  Refused Full applications 6 docs

• Flat 76 Princes Court 88 Brompton Road London SW3 1ET

  05/06787/FULL Submitted 19 Aug 2005 50 yards away

  Retention of seven air conditioning units at roof level.

  Granted Full applications 6 docs

• Development Site At 3 To 11 Lancelot Place London

  22/04724/ADFULL Submitted 14 Jul 2022 50 yards away

  Details of external railings and balustrades (detailed elevations and sections) pursuant to condition 5(c) of planning permission dated 20 February 2020 (19/01596/FULL).

  Granted Full applications 9 docs

• 16 Trevor Square London SW7 1DT

  25/07283/TCA Submitted 8 Oct 2025 50 yards away

  1 x sycamore: crown reduce back to most recent, previous reduction points, retaining furnishing growth. 1 x ash: crown reduce back to most recent, previous reduction points, retaining furnishing growth.

  Granted Trees 7 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

  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