21 Trevor Place London SW7 1LB

1. 21 Aug 2025

   Received by Westminster

2. 10 Sep 2025

   Validated

   Checked as complete and ready for consideration.

3. 6 Nov 2025

   Decision issued: Application Permitted

4. 21 Jul 2026

   Added to PlanIndex

Westminster granted permission on 6 November 2025, 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.

• 32 Trevor Place London SW7 1LD

  26/05435/FULL Submitted 10 Aug 2026 50 yards away

  87% historically approved · decision due ~5 Oct

  Demolition of the existing rear timber-framed single-glazed conservatory, construction of a replacement flat-roof rear ground floor extension. Replacement of existing rear pitched glazed roof above the basement lightwell with a walkable flat glazed roof, and installation of full-height aluminium double doors opening directly onto the rear ground floor terrace/ flat glazed roof. Alteration and extension of rear fence. Installation of louvre screen to existing AC unit.

  Awaiting decision Full applications Extension Demolition +1
  Small domestic

• 1 Montpelier Square London SW7 1JT

  26/03327/LBC Submitted 20 May 2026 50 yards away

  90% historically approved · decision due ~15 Jul

  Proposed levelling of the basement floorplate, relocation of the kitchen extract vent through the front elevation at lower ground floor level to the front lightwell, installation of additional condenser unit to the side lightwell/stairwell, with suitable acoustic attenuation, installation of secondary glazing to the front elevation, and double glazing to the rear elevation, and internal alterations to include replacement cornices and re-articulation of the drawing room. (Linked to 26/03332/FULL)

  Awaiting decision Heritage and listed buildings Windows or glazing 27 docs

• 4 Montpelier Square London SW7 1JT

  22/05234/ADFULL Submitted 1 Aug 2022 50 yards away

  Details of Code of Construction Practice pursuant to Condition 3 of planning permission dated 28th August 2021 (RN:21/02324/FULL).

  Withdrawn Full applications 5 docs

• Centre Garden Montpelier Square London SW7 1JT

  26/00485/TPO Submitted 27 Jan 2026 50 yards away

  100% historically approved · decision due ~24 Mar

  see attached survey T1 London Plane tree prune back from adjacent elm by 2m & clear building T2 Amelanchier clear light to max of 1 m T 3 Scarlet Oak lift over path T 6 Birch tree lift over path T 7 Cherry clear sign T12 N Maple clear other trees by 1.5m T 14 Cherry prune to clear magnolia by 1.5 m T 16 Lime climbing inspection T 18 London Plane Crown lift lower canopy T 22 London Plane tree clear building if necessary T 25 London Plane tree clear building if necessary T 27 Horse Chestnut Crown lift off lower trees & shrubs T 41 London Plane London Plane tree clear building if necessary T 47 Cherry Clear light & clear canopies form adjacent trees T 49 Elm Prune from adj cherries max 1.5 T1 ,22,41 may not require pruning if sufficient clearance

  Awaiting decision Trees 5 docs

• 47 Montpelier Square London SW7 1JX

  07/08403/FULL Submitted 25 Sep 2007 50 yards away

  Demolition of existing building and erection of new building comprising basement, ground and two upper floors with terrace at rear second floor level in connection with use as single family dwelling.

  Granted Full applications Demolition 16 docs
  Domestic

• 47 Montpelier Square London SW7 1JX

  07/08404/CAC Submitted 25 Sep 2007 50 yards away

  Demolition of existing building and erection of new three storey house and excavation of basement.

  Granted Heritage and listed buildings Demolition 2 docs

• 26/06295/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Installation of a new shopfront with Medication Dispensing Outlet.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06297/FULL Awaiting decision

  15 Warwick Way London SW1V 1QT

  Alterations to rear elevation at basement level comprising replacement window and installation of double opening door.

  Received 15 Sep, published by the council 17 Sep 2026 Full applications
• 26/06294/FULL Awaiting decision

  15 Eaton Mews South London SW1W 9HP

  Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06317/FULL Awaiting decision

  124 Hamilton Terrace London NW8 9UT

  Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06318/LBC)

  Received 15 Sep, published by the council 22 Sep 2026 Full applications
• 26/06273/FULL Awaiting decision

  9A Grosvenor Square London W1K 5AE

  Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

  Received 14 Sep, published by the council 22 Sep 2026 Full applications