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Planning application

9 Cavendish Square London W1G 9DF

Granted Westminster 04/02391/FULL Application for full Planning Permission

Works: Demolition

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Demolition of existing building and redevelopment to provide a new building comprising one residential flat (Class C3) on part lower ground floor level and offices on part lower ground floor level and ground to fourth floors (Class B1); installation of roof plant.

As published by the council, reference 04/02391/FULL

Application record

Reference
04/02391/FULL
Type
Application for full Planning Permission
Status
Decided
Decision
Granted As published: Application Permitted
Received
26 Mar 2004
Validated
20 Aug 2004
Decided
16 Sep 2004
Ward
West End
Decision by
Sub-Committee
Postcode
W1G 9DF

Site history

Applications at this address on the Westminster register

This site has had 28 applications since 2003: 24 approved, 2 refused.

  • 26/06413/FULL Awaiting decision

    9 Cavendish Square London W1G 9DF

    Installation of louvre grille in place of existing above-door glass panels on the lower ground floor.

    Submitted 18 Sep 2026 Full applications
  • 26/03309/FULL Awaiting decision

    9 Cavendish Square London W1G 9DF

    Installation of CCTV cameras at Ground Floor; and louvres in place of existing windows at Lower Ground Floor (above existing doorset).

    Submitted 19 May 2026 Full applications
  • 25/05090/FULL Granted

    9 Cavendish Square London W1G 9DF

    Installation of a non-mechanical louvre at lower ground floor level on the Chandos Street elevation.

    Decided 19 Sep 2025 Full applications
  • 24/00959/ADFULL Granted

    9 Cavendish Square London W1G 9DF

    Detailed drawings and a bio-diversity management plan in relation to the green wall to include construction method, layout, species and maintenance regime pursuant to Condition 7 of planning permission dated 8th November 2022 (RN:22/06159/FULL)

    Decided 22 Mar 2024 Full applications
  • 08/02350/FULL Granted

    9 Cavendish Square London W1G 9DF

    Installation of additional security (CCTV, door access systems) at ground and basement level on the Chandos Street and Cavendish Square elevations. Installation of two satellite dishes and one aerial at roof level and two air conditioning units within an existing rooftop enclosure.

    Decided 16 Jul 2008 Full applications
  • 08/00623/ADFULL Granted

    9 Cavendish Square London W1G 9DF

    Details of mortar finish and lightwell finishes pursuant to Conditions 10 and 12(i) of planning permission dated 16 September 2004 (RN: 04/02391).

    Decided 5 Feb 2008 Full applications
  • 07/05669/FULL Granted

    9 Cavendish Square London W1G 9DF

    Installation of eight floodlights at ground floor level to floodlight the Cavendish Square and Chandos Street elevations.

    Decided 5 Sep 2007 Full applications
  • 07/03941/ADFULL Granted

    9 Cavendish Square London W1G 9DF

    Details of external metalwork including railings pursuant to Condition 11 (iii) of planning permission dated 16 September 2004 (RN: 04/02391).

    Decided 31 Jul 2007 Full applications
  • 07/01852/ADFULL Granted

    9 Cavendish Square London W1G 9DF

    Details of an alternative safety arrangement to the parapet at fourth floor level pursuant to Condition 22 of planning permission dated 16 September 2004 (RN: 04/02391).

    Decided 17 Jul 2007 Full applications
  • 07/00645/ADFULL Granted

    9 Cavendish Square London W1G 9DF

    Details of windows, external doors and dormer windows pursuant to Conditions 11(i), 11(ii) and 11(iii) of planning permission dated 16 September 2004 (RN: 04/02391).

    Decided 15 Mar 2007 Full applications

Timeline

Dates from the published record

  1. 26 Mar 2004

    Received by Westminster

  2. 20 Aug 2004

    Validated

    Checked as complete and ready for consideration.

  3. 16 Sep 2004

    Decision issued: Application Permitted

  4. 30 Aug 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

17 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Westminster granted permission on 16 September 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.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 9 Cavendish Square London W1G 9DF

    06/04103/ADFULL Submitted 26 May 2006 50 yards away

    Detailed drawings of windows and dormer windows pursuant to Conditions 11(i) and (v) of planning permission dated 16 September 2004 (RN 04/02391).

    Refused Full applications Loft or dormer Windows or glazing 7 docs

  • 9 Cavendish Square London W1G 9DF

    06/03701/ADFULL Submitted 12 May 2006 50 yards away

    Details of facing materials pursuant to Condition 9 of planning permission dated 16 September 2004 (RN 04/02391).

    Granted Full applications 3 docs

  • 9 Cavendish Square London W1G 9DF

    06/02932/ADFULL Submitted 18 Apr 2006 50 yards away

    Details of stonework and other mouldings pursuant to Condition 11(iv) of planning permission dated 16 September 2004 (RN 04/02391).

    Granted Full applications 8 docs

  • 9 Cavendish Square London W1G 9DF

    07/05669/FULL Submitted 28 Jun 2007 50 yards away

    Installation of eight floodlights at ground floor level to floodlight the Cavendish Square and Chandos Street elevations.

    Granted Full applications 10 docs

  • 9 Cavendish Square London W1G 9DF

    07/03941/ADFULL Submitted 3 May 2007 50 yards away

    Details of external metalwork including railings pursuant to Condition 11 (iii) of planning permission dated 16 September 2004 (RN: 04/02391).

    Granted Full applications 4 docs

  • 9 Cavendish Square London W1G 9DF

    07/01852/ADFULL Submitted 27 Feb 2007 50 yards away

    Details of an alternative safety arrangement to the parapet at fourth floor level pursuant to Condition 22 of planning permission dated 16 September 2004 (RN: 04/02391).

    Granted Full applications 7 docs

In Westminster

  • 26/07315/FULL Awaiting decision

    30 Inverness Terrace London W2 3JA

    Relocation of air conditioning units throughout to the lower ground floor lightwells within aluminium enclosure; replacement of all pipes with cast iron pipes; alteration to balconies including replacement of UPVC door with original door arrangement and replacement railing; reopening of previously infilled windows; replacement marble tiles at hallway of No.32 with Victorian floor tiles; replacement of all doors facing the communal staircase with the correct period style doors; removal of red clay tile leanto roof at first floor rear and the roof made good; removal of link bridges to the rear of the second floor and the rear of the third floor; and reopening of previously infilled windows to the stairs lobby at ground, first and second floor to No.30. (Linked with 26/07316/LBC)

    Received 26 Oct, published by the council 27 Oct 2026 Full applications
  • 26/05708/FULL Decided

    Flat 23 Imperial Court 55 - 56 Prince Albert Road London NW8 7PT

    Replacement of existing windows and louvres.

    Received 20 Aug, published by the council 18 Sep 2026 Full applications
  • 26/07344/FULL Awaiting decision

    42 Saltram Crescent London W9 3HR

    Replacement of existing rear ground floor windows with full-height sliding doors and window to the existing rear extension

    Received 26 Oct, published by the council 28 Oct 2026 Full applications
  • 26/07296/FULL Awaiting decision

    1 Welbeck Street London W1G 0AR

    Installation of air handling units at roof level, ventilation ductwork to the rear facade, and associated works.

    Received 26 Oct, published by the council 28 Oct 2026 Full applications
  • 26/07291/FULL Awaiting decision

    80 Shaftesbury Avenue London W1D 6NF

    Installation of one wall-mounted air-conditioning condenser on the rear elevation facing Dansey Place.

    Received 23 Oct, published by the council 28 Oct 2026 Full applications