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Planning application

1 Great Portland Street London W1W 8PZ

Granted Westminster 25/05878/LBC Listed Building Consent Application

Works: Demolition Windows or glazing

Relates to 25/05877/FULL

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

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
Decided
Decision
Granted As published: Application Permitted
Received
19 Aug 2025
Validated
19 Aug 2025
Decided
19 Feb 2026
Decision by
Delegated Decision
Postcode
W1W 8PZ

Site history

Applications at this address on the Westminster register

This site has had 5 applications since 2025: 3 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 Granted

    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)

    Decided 19 Feb 2026 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. 19 Feb 2026

    Decision issued: Application Permitted

  3. 21 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

  • 25/05877/FULL Granted

    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)

    Decided 19 Feb 2026 Full applications

1 later application on the register refers to this one:

  • 25/05877/FULL Granted

    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)

    Decided 19 Feb 2026 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

860 applications on PlanIndex · across 92 councils · 95% granted

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

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Documents

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

71 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.

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What this grant of permission means

Westminster granted permission on 19 February 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. 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

  • 1 Great Portland Street London W1W 8PZ

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

    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)

    Granted Full applications Demolition Windows or glazing 67 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

    26/05178/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

  • Niketown 236 Oxford Street London W1C 1DE

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

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

    Decided

  • 216 Oxford Street London W1C 1DA

    26/04023/LBC Submitted 18 Jun 2026 50 yards away

    90% historically approved · decision due ~13 Aug

    Temporary removal of two fourth floor windows and a section of external balustrade and storage on site, installation of a temporary hoist, gantry and scaffold, and full reinstatement of all affected elements at the end of the temporary period between 20 July to 31 December 2026.

    Awaiting decision Heritage and listed buildings Windows or glazing

  • Niketown 236 Oxford Street London W1C 1DE

    25/08962/AADV Submitted 10 Dec 2025 50 yards away

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

    Granted Conditions 5 docs

In Westminster

  • 26/07509/LBC Awaiting decision

    Buckingham Palace The Mall London SW1A 1AA

    Replacement of existing security lighting to the Buckingham Palace Forecourt with 80 compact LED spotlights installed within the lantern clusters across 10 principal piers, with associated concealed cabling and reversible fixings. (Linked with 26/07508/FULL)

    Received 4 Nov, published by the council 5 Nov 2026 Heritage and listed buildings
  • 26/07471/LBC Awaiting decision

    12 Queen Anne's Gate London SW1H 9AA

    Excavation of single-storey basement, internal reconfiguration, installation of modern services and associated works. (Linked with 26/07470/FULL)

    Received 3 Nov, published by the council 5 Nov 2026 Heritage and listed buildings
  • 26/07461/LBC Awaiting decision

    1 Savile Row London W1S 3JR

    Minor internal works comprising redecoration and upgrades to lighting, flooring and bathroom and kitchen facilities, together with external works including new lighting and signage.

    Received 3 Nov, published by the council 5 Nov 2026 Heritage and listed buildings
  • 26/07442/LBC Awaiting decision

    2 Charing Cross Road London WC2H 0HH

    Installation of festoon lights to the front elevation from top of existing columns to canopy fascia level including installation of perimeter lightbox to main top sign and coloured light to columns.

    Received 2 Nov, published by the council 5 Nov 2026 Heritage and listed buildings
  • 26/07445/LBC Awaiting decision

    29 Gloucester Place London W1U 8HT

    Installation of glazed partitions and door sets to form meeting rooms on 2nd , 3rd and 4th floor offices.

    Received 2 Nov, published by the council 5 Nov 2026 Heritage and listed buildings