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Planning application

1 Great Portland Street London W1W 8PZ

Awaiting decision Westminster 25/05878/LBC Listed Building Consent Application

Works: Demolition Windows or glazing

Relates to 25/05877/FULL

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

Proposal

External changes to the building including installation of mechanical plant at roof level, demolition and replacement of ground floor revolving entry door with a new door set, glazing of 2 windows to be replaced with louvres, modification to the roof terrace arrangement, new signage and internal alterationsl. (Linked to 25/05877/FULL)

As published by the council, reference 25/05878/LBC

Application record

Reference
25/05878/LBC
Type
Listed Building Consent Application
Status
Pending
Received
19 Aug 2025
Validated
19 Aug 2025
Postcode
W1W 8PZ

Site history

Applications at this address on the Westminster register

This site has had 5 applications since 2025: 1 approved, 0 refused.

  • 26/02031/ADFULL Awaiting decision

    1 Great Portland Street London W1W 8PZ

    Details of samples (photos) of the facing materials and planting scheme pursuant to Conditions 6 and 7 of planning permission dated 19 February 2026 (RN25/05877/FULL) (Linked 26/02030/ADLBC)

    Submitted 27 Mar 2026 Full applications
  • 26/02030/ADLBC Awaiting decision

    1 Great Portland Street London W1W 8PZ

    Details of samples (photos) of the facing materials pursuant to Condition 3 of Listed Building Consent dated 19 February 2026 (RN25/05878/LBC) (Linked 26/02031/ADFULL)

    Submitted 26 Mar 2026 Conditions
  • 25/05877/FULL Awaiting decision

    1 Great Portland Street London W1W 8PZ

    External changes to the building including installation of mechanical plant at roof level, demolition and replacement of ground floor revolving entry door with a new door set, glazing of 2 windows to be replaced with louvres, modification to the roof terrace arrangement, new signage and internal alterations. (Linked to 25/05878/LBC)

    Submitted 19 Aug 2025 Full applications
  • 25/05879/ADV Granted

    1 Great Portland Street London W1W 8PZ

    Display of a backlit fascia sign measuring 0.13m x 0.5m.

    Decided 9 Sep 2025 Advertising

Timeline

Dates from the published record

  1. 19 Aug 2025

    Received by Westminster

  2. 21 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 14 October 2025, 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 66 days over the applications it decided in the last year.

Cases linked to this one on the register

  • 25/05877/FULL Awaiting decision

    1 Great Portland Street London W1W 8PZ

    External changes to the building including installation of mechanical plant at roof level, demolition and replacement of ground floor revolving entry door with a new door set, glazing of 2 windows to be replaced with louvres, modification to the roof terrace arrangement, new signage and internal alterations. (Linked to 25/05878/LBC)

    Submitted 19 Aug 2025 Full applications

1 later application on the register refers to this one:

  • 25/05877/FULL Awaiting decision

    1 Great Portland Street London W1W 8PZ

    External changes to the building including installation of mechanical plant at roof level, demolition and replacement of ground floor revolving entry door with a new door set, glazing of 2 windows to be replaced with louvres, modification to the roof terrace arrangement, new signage and internal alterations. (Linked to 25/05878/LBC)

    Submitted 19 Aug 2025 Full applications

Who's behind it

Company information only, from the register and Companies House

Iceni Projects Ltd. Agent, registered in London

Active · incorporated 2005 · London

757 applications on PlanIndex · across 91 councils · 96% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

54 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 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 94 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

  • 1 Great Portland Street London W1W 8PZ

    25/05877/FULL Submitted 19 Aug 2025 50 yards away

    87% historically approved · decision due ~14 Oct

    External changes to the building including installation of mechanical plant at roof level, demolition and replacement of ground floor revolving entry door with a new door set, glazing of 2 windows to be replaced with louvres, modification to the roof terrace arrangement, new signage and internal alterations. (Linked to 25/05878/LBC)

    Awaiting decision Full applications Demolition Windows or glazing 56 docs

  • 1 Great Portland Street London W1W 8PZ

    25/05879/ADV Submitted 19 Aug 2025 50 yards away

    Display of a backlit fascia sign measuring 0.13m x 0.5m.

    Granted Advertising 24 docs

  • Niketown 236 Oxford Street London W1C 1DE

    26/03780/ADFULL Submitted 9 Jun 2026 50 yards away

    87% historically approved · decision due ~4 Aug

    Details of advertising display on the hoarding; pursuant to condition 1 of Advertisement consent dated 4th July 2025 (RN 25/03755/ADV)

    Awaiting decision Full applications 4 docs

  • Niketown 236 Oxford Street London W1C 1DE

    25/07193/LBC Submitted 6 Oct 2025 50 yards away

    Internal alterations at ground, first, second and third floors, including but not limited to new internal partitions, raised access floor, decorative finishes including lighting, installation of digital display systems, fixtures and fittings, and other works related to shop fit out works.

    Granted Heritage and listed buildings 64 docs

  • Niketown 236 Oxford Street London W1C 1DE

    26/03565/LBC Submitted 1 Jun 2026 50 yards away

    90% historically approved · decision due ~27 Jul

    Internal alterations at ground, first, second and third floor level.

    Awaiting decision Heritage and listed buildings 64 docs

  • Niketown 236 Oxford Street London W1C 1DE

    26/05178/AADV Submitted 31 Jul 2026 50 yards away

    89% historically approved · decision due ~25 Sep

    Details of hoarding advertisements pursuant to condition 1 of advertisement consent dated 04 July 2025 (RN: 25/03755/ADV)

    Decided

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