12 Porchester Terrace London W2 3TL

1. 5 Jan 2026

   Received by Westminster

2. 20 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 2 March 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 91 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 full applications in a median of 119 days. More in our guide to how long planning decisions take.

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.

• 16 Porchester Terrace London W2 3TL

  26/02826/TCA Submitted 29 Apr 2026 50 yards away

  100% historically approved · decision due ~24 Jun

  Front Garden: T1: Mature Cherry: Approximately 9.00m: Reduce lateral growth growing towards the building by up to approximately 1.50m. Reduce remaining crown by approximately 1.20m-1.50m, reducing over extended branches back into the trees main crown structure. Thin crown density evenly throughout by approximately 20%. Remove dead wood throughout. General maintenance.

  Awaiting decision Trees 6 docs

• 44 - 52 Queensborough Terrace London W2 3SJ

  05/06479/FULL Submitted 10 Aug 2005 50 yards away

  Erection of two storey rear mansard to existing rear extension to provide seven additional hotel bedrooms. New disabled access at ground floor level consisting of a new platform access.

  Withdrawn Full applications Extension Loft or dormer 11 docs

• 44-52 Queensborough Terrace London W2 3SJ

  11/04645/ADFULL Submitted 18 May 2011 50 yards away

  Sample of brick pursuant to Condition 2 of planning permission granted at appeal on 15 February 2010 (RN:09/00259 & APP/X5990/A/09/2103170).

  Granted Full applications 4 docs

• 44 - 52 Queensborough Terrace London W2 3SJ

  06/00429/FULL Submitted 18 Jan 2006 50 yards away

  Roof extension to existing three storey rear extension at second floor level to create an additional six bedrooms. New disabled access at ground floor level to front elevation consisting of a new platform access. Removal of existing water tanks and screen from front elevation and erection of new water tanks at roof level. Removal of existing duct and brick shaft from rear elevation and their relocation internally .

  Granted Full applications Extension 22 docs

• 44 - 52 Queensborough Terrace London W2 3SJ

  05/08276/FULL Submitted 11 Oct 2005 50 yards away

  Erection of an additional floor to existing 3 storey rear extension, namely a pitched roof above existing mansard to provide six additional hotel bedrooms, removal of full height ducts to rear elevation and erection of new water tank at roof level. New disabled access at ground floor level to front elevation consisting of a new platform access.

  Refused Full applications Extension Loft or dormer 16 docs

• 22 Porchester Terrace London W2 3TL

  25/06782/FULL Submitted 22 Sep 2025 50 yards away

  88% historically approved · decision due ~17 Nov

  Removal of an extension housing a lift on the side elevation at ground and first floor level; extensions to rear elevation at first and second floor level to house relocated lift; opening up of side passage at ground floor level; removal of window at second floor level (part retrospective)

  Decided Full applications Extension Windows or glazing 14 docs

• 26/07528/FULL Awaiting decision

  69 Eaton Place London SW1X 8DF

  Installation of new cast iron water pipe on rear courtyard elevation. (Linked with 26/07529/LBC)

  Received 5 Nov, published by the council 6 Nov 2026 Full applications
• 26/05200/FULL Decided

  1 The Court House 165 Seymour Place London W1H 4PU

  Installation of waterproofing system to the existing lead flat roofs

  Received 3 Aug, published by the council 28 Aug 2026 Full applications
• 26/07521/FULL Awaiting decision

  Flat 18 Harlequin Court 20 Tavistock Street London WC2E 7NZ

  Installation of one external condenser unit

  Received 4 Nov, published by the council 6 Nov 2026 Full applications
• 26/07508/FULL Awaiting decision

  Buckingham Palace The Mall London SW1A 1AA

  Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07509/LBC)

  Received 4 Nov, published by the council 5 Nov 2026 Full applications
• 26/07472/FULL Awaiting decision

  Flat 3 82 New Cavendish Street London W1G 9TA

  Replacement windows to second floor level with vacuum, double glazing windows. (Linked with 26/07473/LBC)

  Received 3 Nov, published by the council 6 Nov 2026 Full applications