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Planning application

21 New Quebec Street London W1H 7SA

Decided Westminster 26/04623/LBC Heritage and listed buildings

Works: Windows or glazing

Relates to 26/04622/FULL

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

Proposal

Formation of new openings in the structural party walls between Nos. 21 and 22 at basement and ground floor levels to create a continuous retail unit. New dumbwaiter to 22. Reinstatement of historic nibs and downstands. No. 21, Replacement of stair balustrades. Plastering and decoration of exposed brickwork in 22 basement. Refurbishment of existing timber floor boards. No. 21 and 22: Installation of new more efficient mechanical and electrical services. Removal of non-original partitions and finishes. Repair and redecoration of existing suspended ceilings at ground floor level. Refurbishment of existing timber sash and casement windows with addition of internal security bars and internal shopfront security barriers. Works to vaults to allow dry storage. Installation of security and fire safety systems to allow safe operation across all three properties. [Linked to 26/04622/FULL] [SITE INCLUDES 20 AND 22 NEW QUEBEC STREET]

As published by the council, reference 26/04623/LBC

Application record

Reference
26/04623/LBC
Category
Heritage and listed buildings
Status
Decided
Received
10 Jul 2026
Validated
20 Jul 2026
Ward
Marylebone
Postcode
W1H 7SA

Site history

Applications at this address on the Westminster register

This site has had 4 applications since 2010: 1 approved, 0 refused.

  • 26/04622/FULL Decided

    21 New Quebec Street London W1H 7SA

    Formation of new openings in the structural party walls between Nos. 21 and 22 at basement and ground floor levels to create a continuous retail unit. New dumbwaiter to 22. Reinstatement of historic nibs and downstands. No. 21, Replacement of stair balustrades. Plastering and decoration of exposed brickwork in 22 basement. Refurbishment of existing timber floor boards. No. 21 and 22: Installation of new more efficient mechanical and electrical services. Removal of non-original partitions and finishes. Repair and redecoration of existing suspended ceilings at ground floor level. Refurbishment of existing timber sash and casement windows with addition of internal security bars and internal shopfront security barriers. Works to vaults to allow dry storage. Installation of security and fire safety systems to allow safe operation across all three properties. [Linked to 26/04623/LBC] [SITE INCLUDES 20 AND 22 NEW QUEBEC STREET]

    Submitted 10 Jul 2026 Full applications
  • 26/00931/LBC Awaiting decision

    21 New Quebec Street London W1H 7SA

    Renewal of defective plasterwork and laths within the ground floor entrance corridor and stairwell areas.

    Submitted 13 Feb 2026 Heritage and listed buildings
  • 10/02074/ADLBC Granted

    21 New Quebec Street London W1H 7SA

    Approval of details pursuant Condition 1 of listed building consent dated 19 May 2009 (RN: 09/02796); namely detailed drawings of new joinery work at 1:20 and 1:1.

    Decided 16 Jun 2010 Conditions

Timeline

Dates from the published record

  1. 10 Jul 2026

    Received by Westminster

  2. 20 Jul 2026

    Validated

    Checked as complete and ready for consideration.

  3. 21 Jul 2026

    Added to PlanIndex

  4. 17 Sep 2026

    Status changed to Decided

    Previously Pending.

Cases linked to this one on the register

  • 26/04622/FULL Decided

    21 New Quebec Street London W1H 7SA

    Formation of new openings in the structural party walls between Nos. 21 and 22 at basement and ground floor levels to create a continuous retail unit. New dumbwaiter to 22. Reinstatement of historic nibs and downstands. No. 21, Replacement of stair balustrades. Plastering and decoration of exposed brickwork in 22 basement. Refurbishment of existing timber floor boards. No. 21 and 22: Installation of new more efficient mechanical and electrical services. Removal of non-original partitions and finishes. Repair and redecoration of existing suspended ceilings at ground floor level. Refurbishment of existing timber sash and casement windows with addition of internal security bars and internal shopfront security barriers. Works to vaults to allow dry storage. Installation of security and fire safety systems to allow safe operation across all three properties. [Linked to 26/04623/LBC] [SITE INCLUDES 20 AND 22 NEW QUEBEC STREET]

    Submitted 10 Jul 2026 Full applications

1 later application on the register refers to this one:

  • 26/04622/FULL Decided

    21 New Quebec Street London W1H 7SA

    Formation of new openings in the structural party walls between Nos. 21 and 22 at basement and ground floor levels to create a continuous retail unit. New dumbwaiter to 22. Reinstatement of historic nibs and downstands. No. 21, Replacement of stair balustrades. Plastering and decoration of exposed brickwork in 22 basement. Refurbishment of existing timber floor boards. No. 21 and 22: Installation of new more efficient mechanical and electrical services. Removal of non-original partitions and finishes. Repair and redecoration of existing suspended ceilings at ground floor level. Refurbishment of existing timber sash and casement windows with addition of internal security bars and internal shopfront security barriers. Works to vaults to allow dry storage. Installation of security and fire safety systems to allow safe operation across all three properties. [Linked to 26/04623/LBC] [SITE INCLUDES 20 AND 22 NEW QUEBEC STREET]

    Submitted 10 Jul 2026 Full applications

Documents

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

53 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

  • 21 New Quebec Street London W1H 7SA

    26/04622/FULL Submitted 10 Jul 2026 50 yards away

    87% historically approved · decision due ~14 Sep

    Formation of new openings in the structural party walls between Nos. 21 and 22 at basement and ground floor levels to create a continuous retail unit. New dumbwaiter to 22. Reinstatement of historic nibs and downstands. No. 21, Replacement of stair balustrades. Plastering and decoration of exposed brickwork in 22 basement. Refurbishment of existing timber floor boards. No. 21 and 22: Installation of new more efficient mechanical and electrical services. Removal of non-original partitions and finishes. Repair and redecoration of existing suspended ceilings at ground floor level. Refurbishment of existing timber sash and casement windows with addition of internal security bars and internal shopfront security barriers. Works to vaults to allow dry storage. Installation of security and fire safety systems to allow safe operation across all three properties. [Linked to 26/04623/LBC] [SITE INCLUDES 20 AND 22 NEW QUEBEC STREET]

    Decided Full applications Windows or glazing 53 docs
  • 21 New Quebec Street London W1H 7SA

    10/02074/ADLBC Submitted 9 Mar 2010 50 yards away

    Approval of details pursuant Condition 1 of listed building consent dated 19 May 2009 (RN: 09/02796); namely detailed drawings of new joinery work at 1:20 and 1:1.

    Granted Conditions 5 docs
  • 21 New Quebec Street London W1H 7SA

    26/00931/LBC Submitted 13 Feb 2026 50 yards away

    90% historically approved · decision due ~10 Apr

    Renewal of defective plasterwork and laths within the ground floor entrance corridor and stairwell areas.

    Awaiting decision Heritage and listed buildings 12 docs
  • 20A New Quebec Street London W1H 7RZ

    26/04528/ADV Submitted 8 Jul 2026 50 yards away

    84% historically approved · decision due ~2 Sep

    Display of non illuminated vinyl window display measuring 1.905m x 1.38m, 1.22m x 0.66m, 1.91m x 1.38m, 1.97m x 1.26m with an art installation of 25 vinyls on the external ground floor windows in partnership with the Baker Street Quarter Partnership and University of Westminster for a temporary period of one year from 1 July 2026 until 1 July 2027.

    Decided Advertising
  • Basement And Ground Floor 23 New Quebec Street London W1H 7SD

    26/05972/FULL Submitted 1 Sep 2026 50 yards away

    87% historically approved · decision due ~5 Nov

    Use of basement and ground floor unit as flexible retail use (Class E (a)) or food and beverage use (Class E (b)).

    Awaiting decision Full applications
  • 19 New Quebec Street London W1H 7RY

    05/03647/ADFULL Submitted 10 May 2005 50 yards away

    Details of waste and recycling store pursuant to Condition 4 of planning permission dated 28 September 2004 (RN 04/06191).

    Granted Full applications 4 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
  • 26/04141/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
  • 26/06250/LBC Awaiting decision

    53 Wimpole Street London W1G 8YH

    Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06249/FULL)

    Received 11 Sep, published by the council 18 Sep 2026 Heritage and listed buildings
  • 26/06203/LBC Awaiting decision

    106 Blandford Street London W1U 8AG

    Installation of two roof-mounted anchor posts. (Linked to 26/06202/FULL)

    Received 10 Sep, published by the council 17 Sep 2026 Heritage and listed buildings
  • 26/06187/LBC Awaiting decision

    4 Shepherd Market London W1J 7QB

    Installation of wall mounted highway street light on to the facade of 4 Shepherd Market.

    Received 10 Sep, published by the council 17 Sep 2026 Heritage and listed buildings