1 Sussex Square London W2 2SJ

1. 24 Jul 2026

   Received by Westminster

2. 1 Aug 2026

   Added to PlanIndex

3. 11 Sep 2026

   Status changed to Decided

   Previously Pending.

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 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.

• 4 Sussex Square London W2 2SJ

  25/05362/CLOPUD Submitted 31 Jul 2025 50 yards away

  Replacement glazing and extending the internal footprint to the existing building line at the rear of the house by extending under the existing overhang created by the terrace above.

  Refused Lawful development Windows or glazing 7 docs

• 4 Sussex Square London W2 2SJ

  25/07384/CLOPUD Submitted 13 Oct 2025 50 yards away

  Replacement glazing and extending the internal footprint to the existing building line at the rear of the house by extending under the existing overhang created by the terrace above.

  Granted Lawful development Windows or glazing 6 docs

• 8 Sussex Square London W2 2SJ

  25/07363/FULL Submitted 13 Oct 2025 50 yards away

  Garage conversion, including replacement of the garage door with french doors; rear lower ground floor extension; internal alterations; and replacement of the existing rear windows with aluminium windows.

  Granted Full applications Extension Windows or glazing 16 docs

• 15 Stanhope Terrace London W2 2TT

  05/03572/CAC Submitted 9 May 2005 50 yards away

  Installation of air conditioning units in basement level lightwell and on roof level terrace.

  Decided Heritage and listed buildings 2 docs

• 15 Stanhope Terrace London W2 2TT

  05/03571/FULL Submitted 9 May 2005 50 yards away

  Erection of a mansard roof extension, extension of the basement and associated formation of a basement lightwell to the Stanhope Terrace elevation. Installation of mechanical air conditioning plant and alterations to fenestration on the rear elevation including creation of doorway to Sussex Mews East.

  Granted Full applications Extension Loft or dormer +1 11 docs

• 15 Stanhope Terrace London W2 2TT

  03/03919/TCA Submitted 14 May 2003 50 yards away

  1 x Lime: fell.

  Withdrawn Trees 1 doc

• 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