Flats 1 - 21 Alleyn Court 123 Sussex Gardens London W2 2RZ

This site has had 2 applications since 2003: 1 approved, 1 refused.

• 03/05290/FULL Refused

  Flats 1 - 21 Alleyn Court 123 Sussex Gardens London W2 2RZ

  Replacement of cold water storage tank and rebuilding of tank enclosure-height of tank enclosure to increase by 500mm, materials to match existing.

  Decided 14 Oct 2003 Full applications

1. 9 Jan 2004

   Received by Westminster

2. 4 Mar 2004

   Decision issued: Application Permitted

3. 1 Aug 2026

   Added to PlanIndex

Westminster granted permission on 4 March 2004, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. 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.

• Flats 1 - 21 Alleyn Court 123 Sussex Gardens London W2 2RZ

  03/05290/FULL Submitted 7 Jul 2003 50 yards away

  Replacement of cold water storage tank and rebuilding of tank enclosure-height of tank enclosure to increase by 500mm, materials to match existing.

  Refused Full applications 5 docs

• Alleyn Court 123 Sussex Gardens London W2 2RZ

  11/12208/FULL Submitted 15 Dec 2011 50 yards away

  Internal alterations to lower ground floor to provide for an additional three residential units making four in total, and alterations to windows; lower ground front elevation and at rear change garage doors. Partial enclosure of front lightwell and relocation of access stairs.

  Refused Full applications Windows or glazing 11 docs

• Alleyn Court 123 Sussex Gardens London W2 2RZ

  12/09326/FULL Submitted 14 Sep 2012 50 yards away

  Use of four garages at rear lower ground floor level to enlarge an existing one bedroom flat and create a one bedroom caretaker's flat, with associated retention of alterations to windows and doors to front and rear elevations.

  Refused Full applications Windows or glazing 6 docs

• Alleyn Court 123 Sussex Gardens London W2 2RZ

  06/00744/FULL Submitted 31 Jan 2006 50 yards away

  Conversion of front part of lower ground floor into one self-contained flat.

  Granted Full applications 8 docs

• Alleyn Court 123 Sussex Gardens London W2 2RZ

  12/06110/FULL Submitted 18 Jun 2012 50 yards away

  Retention of three garages within rear courtyard with alterations to divide into four garages and use of part of lower ground floor as a porter's office with associated alterations to lower ground floor level fenestration to form French doors and windows to porter's office.

  Refused Full applications Windows or glazing 15 docs

• Gardens Enclosure 107 - 161 Sussex Gardens London W2 2RX

  26/05107/TCA Submitted 29 Jul 2026 50 yards away

  100% historically approved · decision due ~23 Sep

  T126 Purple leaved plum: Reduce over-extended southern upper canopy by 1.75m as per marked up picture.

  Decided Trees

• 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