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Planning application

9 Cavendish Square London W1G 9DF

Granted Westminster 08/02350/FULL Application for full Planning Permission

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

Proposal

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.

As published by the council, reference 08/02350/FULL

Application record

Reference
08/02350/FULL
Type
Application for full Planning Permission
Status
Decided
Decision
Granted As published: Application Permitted
Received
11 Mar 2008
Validated
15 Apr 2008
Decided
16 Jul 2008
Ward
West End
Decision by
Delegated Decision
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
  • 08/00623/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
  • 06/04103/ADFULL Refused

    9 Cavendish Square London W1G 9DF

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

    Decided 3 Nov 2006 Full applications

Timeline

Dates from the published record

  1. 11 Mar 2008

    Received by Westminster

  2. 15 Apr 2008

    Validated

    Checked as complete and ready for consideration.

  3. 16 Jul 2008

    Decision issued: Application Permitted

  4. 30 Aug 2026

    Added to PlanIndex

Documents

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

22 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 July 2008, 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

  • 26/05984/FULL Decided

    41 Sutherland Street London SW1V 4JX

    Replacement of front, side and rear windows with double glazed timber framed sash windows and replacement of a door with a double glazed timber framed door.

    Received 2 Sep, published by the council 11 Sep 2026 Full applications
  • 26/07224/FULL Awaiting decision

    8 Hinde Street London W1U 3BQ

    Use of the building as an Embassy (sui generis) with reversion to Class E on cessation of occupation by the Government of the United Mexican States. Erection of a flagpole and flag and plaque

    Received 22 Oct, published by the council 26 Oct 2026 Full applications
  • 26/06134/FULL Decided

    Flat 10H Hyde Park Mansions Cabbell Street London NW1 5BG

    Replacement of front and rear second floor level windows with slim-profile double-glazed panels, retaining the existing window and door frames.

    Received 8 Sep, published by the council 15 Sep 2026 Full applications
  • 26/07258/FULL Awaiting decision

    16A Croxley Road London W9 3HL

    Installation of air to air heat pumps to offices and bedrooms.

    Received 22 Oct, published by the council 23 Oct 2026 Full applications
  • 26/07193/FULL Awaiting decision

    98 Victoria Street London SW1E 5JL

    Shopfront alterations. (Linked with 26/07194/ADV)

    Received 21 Oct, published by the council 22 Oct 2026 Full applications