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  Withdrawn Trees 1 doc

• 26/07468/CLOPUD Awaiting decision

  14 - 16 Great Portland Street London W1W 8QW

  Confirmation the demolition of the existing outrigger structure at fifth floor level (the Proposed Works) constitutes the lawful commencement of development pursuant to the Permission.

  Received 3 Nov, published by the council 5 Nov 2026 Lawful development
• 26/07423/CLOPUD Awaiting decision

  103 Elgin Avenue London W9 2NP

  Painting of the decorative stonework, window frames and doors on the front elevation and front boundary wall

  Received 2 Nov, published by the council 4 Nov 2026 Lawful development
• 26/07454/CLOPUD Awaiting decision

  10 Stratton Street London W1J 8LG

  Changes to existing windows and doors

  Received 2 Nov, published by the council 5 Nov 2026 Lawful development
• 26/07381/CLEUD Awaiting decision

  Ground Floor Rear Flat 4 Mozart Street London W10 4LA

  Use of the ground floor rear flat as short-term visitor accommodation.

  Received 28 Oct, published by the council 5 Nov 2026 Lawful development
• 26/07339/CLOPUD Awaiting decision

  123 Victoria Street London SW1E 6DE

  Use of part of ground floor reception area within Class E including, but not limited to, a retail café (Class E(a)).

  Received 27 Oct, published by the council 30 Oct 2026 Lawful development