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Planning application

11 - 13 Cavendish Square London W1G 0AN

Decided Westminster 26/04388/LBC Heritage and listed buildings

Works: Roofing Windows or glazing

Relates to 26/04387/FULL

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

Replacement roof lantern and roof tiles. (Linked with 26/04387/FULL)

As published by the council, reference 26/04388/LBC

Application record

Reference
26/04388/LBC
Category
Heritage and listed buildings
Status
Decided
Received
2 Jul 2026
Validated
9 Jul 2026
Ward
Marylebone
Postcode
W1G 0AN

Site history

Applications at this address on the Westminster register

This site has had 4 applications since 2026.

  • 26/04387/FULL Decided

    11 - 13 Cavendish Square London W1G 0AN

    Replacement roof lantern and roof tiles. (Linked with 26/04388/LBC)

    Submitted 2 Jul 2026 Full applications
  • 26/04318/FULL Awaiting decision

    11 - 13 Cavendish Square London W1G 0AN

    Replacement flue to accompany new boiler. (Linked with 26/04319/LBC)

    Submitted 30 Jun 2026 Full applications
  • 26/04319/LBC Awaiting decision

    11 - 13 Cavendish Square London W1G 0AN

    Replacement flue to accompany new boiler. (Linked with 26/04318/FULL)

    Submitted 30 Jun 2026 Heritage and listed buildings

Timeline

Dates from the published record

  1. 2 Jul 2026

    Received by Westminster

  2. 9 Jul 2026

    Validated

    Checked as complete and ready for consideration.

  3. 21 Jul 2026

    Added to PlanIndex

  4. 11 Sep 2026

    Status changed to Decided

    Previously Pending.

Cases linked to this one on the register

  • 26/04387/FULL Decided

    11 - 13 Cavendish Square London W1G 0AN

    Replacement roof lantern and roof tiles. (Linked with 26/04388/LBC)

    Submitted 2 Jul 2026 Full applications

1 later application on the register refers to this one:

  • 26/04387/FULL Decided

    11 - 13 Cavendish Square London W1G 0AN

    Replacement roof lantern and roof tiles. (Linked with 26/04388/LBC)

    Submitted 2 Jul 2026 Full applications

Documents

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

9 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

After the decision

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.

About heritage and listed building applications

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 11 - 13 Cavendish Square London W1G 0AN

    26/04387/FULL Submitted 2 Jul 2026 50 yards away

    87% historically approved · decision due ~3 Sep

    Replacement roof lantern and roof tiles. (Linked with 26/04388/LBC)

    Decided Full applications Roofing Windows or glazing 9 docs

  • 11 - 13 Cavendish Square London W1G 0AN

    26/04318/FULL Submitted 30 Jun 2026 50 yards away

    87% historically approved · decision due ~27 Aug

    Replacement flue to accompany new boiler. (Linked with 26/04319/LBC)

    Awaiting decision Full applications

  • 11 - 13 Cavendish Square London W1G 0AN

    26/04319/LBC Submitted 30 Jun 2026 50 yards away

    90% historically approved · decision due ~27 Aug

    Replacement flue to accompany new boiler. (Linked with 26/04318/FULL)

    Awaiting decision Heritage and listed buildings

  • 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

In Westminster

  • 26/04878/LBC Decided

    34 Grosvenor Street London W1K 4QU

    Internal works to facilitate the subdivision of 34 Grosvenor Street and 3 Three Kings Yard

    Received 21 Jul, published by the council 1 Aug 2026 Heritage and listed buildings
  • 26/06299/LBC Awaiting decision

    Apartment 33 24 Park Crescent London W1B 1AA

    Alterations to internal partitions, door openings, doors and floor finishes.

    Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
  • 26/06305/LBC Awaiting decision

    33A Dean Street London W1D 4PP

    Installation of new concrete slab with drainage channels at basement level and new fire surround in B.01.

    Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
  • 26/06318/LBC Awaiting decision

    124 Hamilton Terrace London NW8 9UT

    Replacement of existing first-floor sash windows to the front and rear elevations with traditionally detailed painted timber, slim-profile double-glazed sash windows. (Linked to 26/06317/FULL)

    Received 15 Sep, published by the council 22 Sep 2026 Heritage and listed buildings
  • 26/04141/LBC Decided

    80E Randolph Avenue London W9 1BG

    Replacement of sashes in two front windows at 2nd floor level and one rear window with slimline double glazed timber sashes. (Linked with 26/04142/FULL)

    Received 23 Jun, published by the council 21 Jul 2026 Heritage and listed buildings