Westminster Under School Adrian House 27 Vincent Square London SW1P 2NN

1. 10 Sep 2026

   Received by Westminster

2. 16 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 5 November 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 65 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's median decision took 65 days. More in our guide to how long planning decisions take.

The published feed does not state which type of application this is; the register entry on Westminster's portal will say. Our guide explains the common types.

• 4 Hide Place London SW1P 4NJ

  26/03242/NMA Submitted 18 May 2026 50 yards away

  93% historically approved · decision due ~13 Jul

  Amendments to planning permission dated 23rd of January 2023 (RN 22/08106/FULL) for the Variation of Condition 1 of planning permission dated 23 November 2020 (RN: 20/06032/FULL) for alterations to front elevation, roof pitch and rooflights; creation of rear dormer at third floor level and external amenity spaces at first, third and roof levels; NAMELY, amendment to the approved rear dormer cladding material from lead to dark grey pre weathered zinc standing seam cladding.

  Awaiting decision Amendments Loft or dormer 5 docs

• 24 Vincent Square London SW1P 2NJ

  26/05938/FULL Submitted 1 Sep 2026 50 yards away

  87% historically approved · decision due ~27 Oct

  Subdivision of existing residential property to create two self-contained 3-bedroom family homes, along with cycle parking and associated external alterations. (Part of a land use package with planning application 26/05942/FULL for 1 Barton Street)

  Awaiting decision Full applications

• 23 Vincent Square London SW1P 2NJ

  22/04930/TCA Submitted 14 Jul 2022 50 yards away

  1 x bay: reduce by 2-3m, leaving a natural shape.

  Granted Trees 6 docs

• 22 Chapter Street London SW1P 4NP

  26/01688/ADFULL Submitted 16 Mar 2026 50 yards away

  87% historically approved · decision due ~11 May

  Details of the internal noise criteria including sound insulation measures and a Noise Assessment Report. Pursuant to condition 9 and discharge of condition 10 of planning permission dated 7th December 2022 (RN 22/05237/FULL)

  Awaiting decision Full applications 3 docs

• 22 Chapter Street London SW1P 4NP

  25/08978/ADFULL Submitted 10 Dec 2025 50 yards away

  Details of noise assessment pursuant to condition 10 of planning permission dated 7th December 2022 (RN:22/05237/FULL)

  Refused Full applications 10 docs

• 22 Chapter Street London SW1P 4NP

  25/07042/ADFULL Submitted 1 Oct 2025 50 yards away

  Details of a servicing management plan pursuant to Condition 4 of planning permission dated the December 2022 (RN: 22/05237/FULL).

  Granted Full applications 7 docs