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Planning application

The Royal Institution Of Great Britain 21 Albemarle Street London W1S 4BS

Awaiting decision Westminster 26/06408/LBC Heritage and listed buildings

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

Proposal

Repair and upgrade works to the Lecture Theatre including replacement of stair nosings, repair and restoration of the historic Japanese wallpaper, repair of the decorative plaster ceiling, refurbishment of lecture theatre doors and ground floor entrance doors, conservation of the copper dome of the cupola, replacement of hoist, reconfiguration of seating, refurbishment of entrance doors to 20 and other associated works.

As published by the council, reference 26/06408/LBC

Application record

Reference
26/06408/LBC
Category
Heritage and listed buildings
Status
Pending
Received
18 Sep 2026
Validated
18 Sep 2026
Postcode
W1S 4BS

Site history

Applications at this address on the Westminster register

This site has had 3 applications since 2025: 1 approved, 0 refused.

  • 26/06438/CLLB Decided

    The Royal Institution Of Great Britain 21 Albemarle Street London W1S 4BS

    Investigative and repair works for water ingress within lecture theatre.

    Decided 5 Oct 2026
  • 25/05098/ADLBC Granted

    The Royal Institution Of Great Britain 21 Albemarle Street London W1S 4BS

    Details of a sample sash window (discreetly located) with the applied solar film pursuant to condition 5 of listed building dated 29th May 2025 (RN:25/01387/LBC)

    Decided 4 Aug 2025 Conditions

Timeline

Dates from the published record

  1. 18 Sep 2026

    Received by Westminster

  2. 28 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 heritage and listed building applications in a median of 119 days. More in our guide to how long planning decisions take.

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 Albemarle Street London W1S 4BS

    26/05204/CLLB Submitted 3 Aug 2026 50 yards away

    89% historically approved · decision due ~28 Sep

    Investigative works to the lantern in the lecture theatre.

    Decided
  • The Royal Institution Of Great Britain 21 Albemarle Street London W1S 4BS

    26/06438/CLLB Submitted 18 Sep 2026 50 yards away

    Investigative and repair works for water ingress within lecture theatre.

    Decided
  • The Royal Institution Of Great Britain 21 Albemarle Street London W1S 4BS

    25/05098/ADLBC Submitted 22 Jul 2025 50 yards away

    Details of a sample sash window (discreetly located) with the applied solar film pursuant to condition 5 of listed building dated 29th May 2025 (RN:25/01387/LBC)

    Granted Conditions Windows or glazing 4 docs
  • 168 New Bond Street London W1S 4AR

    25/06036/LBC Submitted 22 Aug 2025 50 yards away

    Installation of temporary internally illuminated seasonal Christmas decoration measuring 1.7m x 4.5m from 01 October 2025 until 9 January 2026

    Granted Heritage and listed buildings 17 docs
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    25/05214/ADV Submitted 25 Jul 2025 50 yards away

    Display of vinyl graphics applied to internal face of shopfront window glazing for a temporary period until 25 September 2025

    Decided Advertising Windows or glazing 14 docs
  • 165 - 169 New Bond Street London W1S 4AN

    25/05221/LBC Submitted 25 Jul 2025 50 yards away

    90% historically approved · decision due ~19 Sep

    Internal alterations to replace existing finishes to walls, flooring and lighting. (Linked to 25/05220/FULL)

    Awaiting decision Heritage and listed buildings 24 docs

In Westminster

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    Received 21 Oct, published by the council 23 Oct 2026 Heritage and listed buildings
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    Received 21 Oct, published by the council 22 Oct 2026 Heritage and listed buildings
  • 26/07191/LBC Awaiting decision

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    Layout alterations and replacement of internal doors.

    Received 21 Oct, published by the council 22 Oct 2026 Heritage and listed buildings
  • 26/07199/LBC Awaiting decision

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    Erection of a mansard roof extension incorporating rooflights and a rear balcony; installation of Juliet balconies at ground and first floor levels to the rear; demolition of the existing courtyard extension and erection of a single-storey infill extension; extension of the rear wing at first floor (mezzanine) and second floor levels; fenestration alterations including the installation of new windows; stucco repairs and partial rebuilding of the rear extensions; and associated internal alterations at all levels. (Linked to 26/07198/FULL)

    Received 21 Oct, published by the council 23 Oct 2026 Heritage and listed buildings
  • 26/07192/LBC Awaiting decision

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    Conversion and internal alterations to the ground floor flat (Retrospective)

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