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Planning application

1 Great Portland Street London W1W 8PZ

Awaiting decision Westminster 25/05877/FULL Full Planning Permission Application

Works: Demolition Windows or glazing

Relates to 25/05878/LBC

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 alterations. (Linked to 25/05878/LBC)

As published by the council, reference 25/05877/FULL

Application record

Reference
25/05877/FULL
Type
Full Planning Permission 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
  • 25/05878/LBC 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 alterationsl. (Linked to 25/05877/FULL)

    Submitted 19 Aug 2025 Heritage and listed buildings
  • 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

  • 25/05878/LBC 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 alterationsl. (Linked to 25/05877/FULL)

    Submitted 19 Aug 2025 Heritage and listed buildings

1 later application on the register refers to this one:

  • 25/05878/LBC 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 alterationsl. (Linked to 25/05877/FULL)

    Submitted 19 Aug 2025 Heritage and listed buildings

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

56 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 full applications in a median of 91 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

  • 1 Great Portland Street London W1W 8PZ

    25/05878/LBC Submitted 19 Aug 2025 50 yards away

    90% 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 alterationsl. (Linked to 25/05877/FULL)

    Awaiting decision Heritage and listed buildings Demolition Windows or glazing 54 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

  • 26/06295/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront with Medication Dispensing Outlet.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06297/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Alterations to rear elevation at basement level comprising replacement window and installation of double opening door.

    Received 15 Sep, published by the council 17 Sep 2026 Full applications
  • 26/06294/FULL Awaiting decision

    15 Eaton Mews South London SW1W 9HP

    Installation of railings and sliding lantern light at main roof level in connection with the use of the roof as a terrace.

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06317/FULL 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 26/06318/LBC)

    Received 15 Sep, published by the council 22 Sep 2026 Full applications
  • 26/06273/FULL Awaiting decision

    9A Grosvenor Square London W1K 5AE

    Installation of natural Portland Stone paving to two front entrances. (Linked to 26/05473/LBC)

    Received 14 Sep, published by the council 22 Sep 2026 Full applications