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Planning application

9 Cavendish Square London W1G 9DF

Awaiting decision Westminster 26/06413/FULL Full applications

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

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

As published by the council, reference 26/06413/FULL

Application record

Reference
26/06413/FULL
Category
Full applications
Status
Pending
Received
18 Sep 2026
Validated
18 Sep 2026
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.

  • 26/03309/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
  • 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. 18 Sep 2026

    Received by Westminster

  2. 30 Sep 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 13 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Westminster took a median of 86 days over the applications it decided in the last year.

What happens while it is decided

This application is with Westminster for determination, against a statutory target of eight weeks. Over the last year Westminster decided full applications in a median of 119 days. More in our guide to how long planning decisions take.

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
  • 26/06134/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
  • 26/07187/FULL Awaiting decision

    Ground Floor Flat 151 Portnall Road London W9 3BN

    Erection of a single storey rear extension.

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