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Planning application

1 Great Portland Street London W1W 8PZ

Granted Westminster 25/05877/FULL Full Planning Permission Application

Works: Demolition Windows or glazing

Relates to 25/05878/LBC

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

    Decided 19 Feb 2026 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. 19 Feb 2026

    Decision issued: Application Permitted

  3. 21 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

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

    Decided 19 Feb 2026 Heritage and listed buildings

1 later application on the register refers to this one:

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

    Decided 19 Feb 2026 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

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.

See their track record

Documents

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

67 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 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 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

    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)

    Granted Heritage and listed buildings Demolition Windows or glazing 71 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

    88% 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

    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

In Westminster

  • 26/07508/FULL 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 26/07509/LBC)

    Received 4 Nov, published by the council 5 Nov 2026 Full applications
  • 26/07470/FULL 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 26/07471/LBC)

    Received 3 Nov, published by the council 5 Nov 2026 Full applications
  • 26/07466/FULL Awaiting decision

    65 Albion Gate Albion Street W2 2LA

    Replacement of first-floor front elevation windows and balcony door with double-glazed steel-framed units.

    Received 3 Nov, published by the council 5 Nov 2026 Full applications
  • 26/07460/FULL Awaiting decision

    1 Hanover Square London W1S 1HA

    Installation of new public art sculptures and seating; hard and soft landscaping; installation of an area of raised terrace decking on St George Street measuring 43m x 2.6m for the placing of tables, chairs and banquette benches in connection with restaurant use; and associated external alterations and enabling works.

    Received 3 Nov, published by the council 5 Nov 2026 Full applications
  • 26/07451/FULL Awaiting decision

    Flat 1 31 South Audley Street London W1K 2PG

    Replacement of windows, Installation of an external condenser to the rear elevation including Internal refurbishment. (linked with 26/07452/LBC)

    Received 2 Nov, published by the council 4 Nov 2026 Full applications