7 Wyndham Mews London W1H 2PN

1. 8 Aug 2025

   Received by Westminster

2. 21 Jul 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 3 October 2025, 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 66 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 lawful development applications in a median of 78 days. More in our guide to how long planning decisions take.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 2 Wyndham Place London W1H 2PP

  26/01690/LBC Submitted 16 Mar 2026 50 yards away

  90% historically approved · decision due ~18 May

  Installation of a rear lift and minor internal alterations. Works include reconfiguration at lower ground level incorporating a sunken pool, associated structural underpinning and fabric changes to the modern rear extension. (Linked with 26/01689/FULL)

  Awaiting decision Heritage and listed buildings Extension 60 docs

• 2 Wyndham Place London W1H 2PP

  26/01689/FULL Submitted 16 Mar 2026 50 yards away

  87% historically approved · decision due ~18 May

  Installation of a rear lift and minor internal alterations. Works include reconfiguration at lower ground level incorporating a sunken pool, associated structural underpinning and fabric changes to the modern rear extension. (Linked with 26/01690/LBC)

  Awaiting decision Full applications Extension 67 docs

• 3 Wyndham Place London W1H 2PR

  26/02392/ADLBC Submitted 6 Apr 2026 50 yards away

  90% historically approved · decision due ~1 Jun

  Detailed drawing off elevation and sections of each window type, demonstrating traditional joinery, pursuant to condition 4 (part i) of Listed Building Consent dated 28th March 2025 (RN 25/00687/LBC)

  Awaiting decision Conditions Windows or glazing 5 docs

• 3 Wyndham Place London W1H 2PR

  26/02266/ADFULL Submitted 6 Apr 2026 50 yards away

  87% historically approved · decision due ~1 Jun

  Detailed drawing off elevation and sections of each window type, demonstrating traditional joinery, pursuant to condition 4 (part i) of planning permission dated 28th March 2025 (RN 25/00686/FULL)

  Awaiting decision Full applications Windows or glazing 5 docs

• 14 Montagu Place London W1H 2ET

  26/01920/ADFULL Submitted 24 Mar 2026 50 yards away

  87% historically approved · decision due ~28 May

  Details of samples(photos acceptable) colour and specification details of the facing materials you will use, including glazing, and elevations and roof plans annotated to show where the materials are to be located and detailed drawings of the new windows pursuant to condition 3 and 4 of planning permission dated 22nd July 2025 (RN:24/02626/FULL)

  Awaiting decision Full applications Windows or glazing 13 docs

• Flat 6 25 Bryanston Square London W1H 2DS

  25/05514/ADLBC Submitted 6 Aug 2025 50 yards away

  Details of new doors and cornices pursuant to Condition 3 (A and B) of Listed Building Consent dated 06 June 2025 (RN25/03544/LBC)

  Granted Conditions 9 docs

• 26/06158/CLOPUD Awaiting decision

  2 Hamilton Gardens London NW8 9PT

  Erection of replacement, enlarged single storey ground floor rear extension.

  Received 9 Sep, published by the council 15 Sep 2026 Lawful development
• 26/06080/CLEUD Awaiting decision

  91 Gloucester Place London W1U 6JG

  Certificate of lawfulness for an existing use or development to confirm that the development authorised by full planning permission ref. 22/08385/FULL & listed building consent (RN 22/08386/LBC) has lawfully commenced as a result of the works evidenced.

  Received 7 Sep, published by the council 14 Sep 2026 Lawful development
• 26/06044/CLOPUD Awaiting decision

  9 Abinger Mews W9 3SP

  Proposed loft conversion with rear dormer and 3 front rooflights to existing mid-terraced house.

  Received 3 Sep, published by the council 11 Sep 2026 Lawful development
• 26/06035/CLOPUD Awaiting decision

  30 Ashworth Road W9 1JY

  Erection of new garden retaining wall and erection of new garden timber fence to match the height of existing fence.

  Received 3 Sep, published by the council 11 Sep 2026 Lawful development
• 26/05871/CLEUD Awaiting decision

  32 Cambridge Street London SW1V 4QH

  Confirmation of the lawful implementation of planning permission dated 13 August 2021 (RN: 21/04143/FULL) has commenced before the expiry of the three year time period and may, therefore, lawfully be carried out and completed.

  Received 27 Aug, published by the council 4 Sep 2026 Lawful development