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Planning application

Northumberland House 303-306 High Holborn London WC1V 7JZ

Awaiting decision Camden 2025/5750/P Full Planning Permission

Works: Windows or glazing

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

Proposal

Change of use from office and retail (Class E) to hotel (Class C1), replacement of windows, alterations to shopfronts, removal of external escape stair, blue / green roofs, generator to the rear at lower ground floor level, and changes at roof level including PV's, lift overrun, and associated works.

As published by the council, reference 2025/5750/P

Application record

Reference
2025/5750/P
Type
Full Planning Permission
Status
Registered
Received
18 Dec 2025
Validated
23 Dec 2025
Ward
Holborn and Covent Garden
Postcode
WC1V 7JZ

Site history

Applications at this address on the Camden register

This site has had 7 applications since 2015: 6 approved, 0 refused.

  • 2019/5563/A Granted

    Northumberland House 303-306 High Holborn London WC1V 7JZ

    Display of 1x internally illuminated fascia sign and 1x internally illuminated projecting sign to existing bank (Class A2).

    Decided 21 Jan 2020
  • 2017/4438/P Granted

    Northumberland House 303-306 High Holborn LONDON WC1V 7JZ

    Installation of 1 x AC condenser unit within the current enclosure to existing 4th floor roof plant area regarding 3rd floor office premises

    Decided 18 Oct 2017 Full applications
  • 2016/6190/P Granted

    Northumberland House 303-306 High Holborn London WC1V 7JZ

    Installation of 1 x AC unit to rear basement courtyard with associated timber screening.

    Decided 19 Dec 2016 Full applications
  • 2016/6191/P Granted

    Northumberland House 303-306 High Holborn London WC1V 7JZ

    Alterations to rear basement fenestration including installation of 3 x aluminium sliding doors and new timber decking to courtyard.

    Decided 19 Dec 2016 Full applications
  • 2015/2458/P Granted

    Northumberland House 303-306 High Holborn London WC1V 7JZ

    Replacement of 6 x air conditioning units at rear first floor and fourth floor levels; installation of acoustic screens and infilling of opening at basement level with brickwork to match existing.

    Decided 17 Jun 2015 Full applications
  • 2015/1954/P Granted

    Northumberland House, 303-306 High Holborn, London, WC1V 7JZ

    Installation of 8 x air conditioning units to replace existing 14 units at 8th floor roof level.

    Decided 26 May 2015 Full applications

Timeline

Dates from the published record

  1. 18 Dec 2025

    Received by Camden

  2. 23 Dec 2025

    Validated

    Checked as complete and ready for consideration.

  3. 24 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 17 February 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Camden took a median of 42 days over the applications it decided in the last year.

Documents

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

59 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 Camden for determination, against a statutory target of eight weeks. Over the last year Camden decided full applications in a median of 56 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.

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