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Planning application

Basement And Ground Floor Northumberland House 155 - 157 Great Portland Street London W1W 6QP

Granted Westminster 26/01148/FULL Full Planning Permission Application

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

Proposal

Dual alternative use of the ground and basement floors as showroom (sui generis) or MRI medical centre (Class E)

As published by the council, reference 26/01148/FULL

Application record

Reference
26/01148/FULL
Type
Full Planning Permission Application
Status
Pending
Decision
Granted subject to conditions
Received
24 Feb 2026
Validated
24 Feb 2026
Decided
30 Apr 2026
Ward
West End
Postcode
W1W 6QP

Timeline

Dates from the published record

  1. 24 Feb 2026

    Received by Westminster

  2. 30 Apr 2026

    Decision issued: Granted subject to conditions

  3. 21 Jul 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Rolfe Judd Planning Ltd Agent, a planning consultancy registered in The Oval

Active · incorporated 1992 · The Oval

522 applications on PlanIndex · across 22 councils · 94% 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

17 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.

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What this grant of permission means

Westminster granted permission on 30 April 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 500 metres

  • Northumberland House 155 - 157 Great Portland Street London W1W 6QP

    05/01357/CLEUD Submitted 21 Feb 2005 4m away

    Installation of two air conditioning units in rear lightwell.

    Granted Lawful development 5 docs

  • Northumberland House 155-157 Great Portland Street London W1W 6QP

    07/05158/FULL Submitted 12 Jun 2007 4m away

    Relocation of air conditioning units onto the main roof within a new enclosure.

    Refused Full applications 12 docs

  • Northumberland House 155 - 157 Great Portland Street London W1W 6QP

    06/01678/FULL Submitted 6 Mar 2006 4m away

    Retention of four air conditioning condenser units on rear first floor flat roof.

    Refused Full applications 7 docs

  • Northumberland House 155 - 157 Great Portland Street London W1W 6QP

    26/04985/FULL Submitted 24 Jul 2026 4m away

    87% historically approved · decision due ~18 Sep

    Alterations to entrance including installation of new entrance doors.

    Decided Full applications

  • Northumberland House 155 - 157 Great Portland Street London W1W 6QP

    26/00984/NMA Submitted 17 Feb 2026 5m away

    Amendments to planning permission dated 12th November 2024 (RN: 24/06018/FULL) for Alterations to the entrance at ground floor level and installation of plant with screening and associated equipment at roof level. Namely, omission of previously approved GRP housing at roof level, relocation of 1no 175mm x 450mm louvre integrated into the head of existing WC window; and introduction of 6no 500mmx500mm ventilation louvres to south west elevation.

    Granted Amendments Windows or glazing 14 docs

  • Hallam House 56 - 60 Hallam Street London W1W 6JL

    25/04301/FULL Submitted 24 Jun 2025 12m away

    Demolition of existing roof plant room and erection of a single floor roof extension to provide one residential unit (Class C3). Erection of replacement plant room, and provision of an external terrace, landscaping and green roof. Alterations to rear fenestration pattern. Erection of single storey lower ground floor extension within rear lightwell to provide additional office floorspace (Class E) and replacement of a window with a door at front ground floor level.

    Granted Full applications Extension Roofing +2 124 docs
    Small domestic

In Westminster

  • 26/06295/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

    Installation of a new shopfront.

    15 Sep 2026 Full applications
  • 26/06297/FULL Awaiting decision

    15 Warwick Way London SW1V 1QT

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

    15 Sep 2026 Full applications
  • 26/06234/FULL Awaiting decision

    40 Grosvenor Place London SW1X 7HJ

    Use of lower ground floor of Unit 3 and ground floor of Unit 2 as gym (Class E(d)) and/ or office (Class E(g))

    11 Sep 2026 Full applications
  • 26/06249/FULL Awaiting decision

    53 Wimpole Street London W1G 8YH

    Removal and Installation of external rear air condensers and associated pipe work to ground floor, including internal works to ground and first floor. (Linked with 26/06250/LBC)

    11 Sep 2026 Full applications
  • 26/03576/FULL Decided

    15A Devonshire Terrace London W2 3DW

    Erection of an infill extension to basement courtyard to form new bedroom and internal alterations. (Linked with 26/03577/LBC)

    1 Jun 2026 Full applications