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Planning application

340 Gray's Inn Road London Camden WC1X 8BG

Granted Camden 2022/4469/P Full Planning Permission

Works: Extension

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

Proposal

Change of use of first floor commercial floorspace to residential use and erection of a two storey (plus basement) extension fronting Britannia Street comprising commercial floorspace at basement and ground floors and 5 residential units at first floor; public realm works

As published by the council, reference 2022/4469/P

Application record

Reference
2022/4469/P
Type
Full Planning Permission
Status
Final Decision
Decision
Granted Subject to a Section 106 Legal Agreement
Received
14 Oct 2022
Validated
24 Nov 2022
Decided
5 Dec 2024
Ward
Kings Cross
Decision by
Members Briefing
Postcode
WC1X 8BG

Timeline

Dates from the published record

  1. 14 Oct 2022

    Received by Camden

  2. 24 Nov 2022

    Validated

    Checked as complete and ready for consideration.

  3. 5 Dec 2024

    Decision issued: Granted Subject to a Section 106 Legal Agreement

  4. 22 Jul 2026

    Added to PlanIndex

Cases linked to this one on the register

5 later applications on the register refer to this one:

  • 2025/5074/P Granted

    340 Grays Inn Road London WC1X 8BG

    Details pursuant to condition 18 (basement engineer) of planning permission ref. 2022/4469/P (dated 05/12/2024) for 'Change of use of first floor commercial floorspace to residential use and erection of a two storey (plus basement) extension fronting Britannia Street comprising commercial floorspace at basement and ground floors and 5 residential units at first floor; public realm works'

    Decided 17 Nov 2025 Full applications
  • 2025/4764/P Granted

    340 Grays Inn Road London WC1X 8BG

    Details pursuant to condition 16 (green roof) of planning permission ref. 2022/4469/P (dated 05/12/2024) for 'Change of use of first floor commercial floorspace to residential use and erection of a two storey (plus basement) extension fronting Britannia Street comprising commercial floorspace at basement and ground floors and 5 residential units at first floor; public realm works'

    Decided 16 Feb 2026 Full applications
  • 2025/4762/P Granted

    340 Grays Inn Road London WC1X 8BG

    Details pursuant to condition 14 (enhanced sound insulation) of planning permission ref. 2022/4469/P (dated 05/12/2024) for 'Change of use of first floor commercial floorspace to residential use and erection of a two storey (plus basement) extension fronting Britannia Street comprising commercial floorspace at basement and ground floors and 5 residential units at first floor; public realm works'

    Decided 17 Nov 2025 Full applications
  • 2025/4763/P Granted

    340 Grays Inn Road London WC1X 8BG

    Details pursuant to condition 13 (internal noise levels habitable rooms) of planning permission ref. 2022/4469/P (dated 05/12/2024) for 'Change of use of first floor commercial floorspace to residential use and erection of a two storey (plus basement) extension fronting Britannia Street comprising commercial floorspace at basement and ground floors and 5 residential units at first floor; public realm works'

    Decided 28 Apr 2026 Full applications
  • 2025/4671/P Granted

    340 Grays Inn Road London WC1X 8BG

    Amendment to trigger points of conditions 9 (cycle parking) and 10 (waste storage) of planning permission ref. 2022/4469/P (dated 05/12/24) for Change of use of first floor commercial floorspace to residential use and erection of a two storey (plus basement) extension fronting Britannia Street comprising commercial floorspace at basement and ground floors and 5 residential units at first floor; public realm works

    Decided 3 Nov 2025 Amendments

Documents

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

48 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.

Trade members open them from here.

Open the documents

What this grant of permission means

Camden granted permission on 5 December 2024, 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

  • MTL 340 Gray's Inn Road London WC1X 8BJ

    2010/6571/P 0m away

    Retrospective application for the installation of five air-handling units on rear wall of building (Class B1a) at first floor level.

    Granted Full applications
  • Flat 12 50 Britannia Street London WC1X 9JH

    2025/2284/P 0m away

    Alterations to existing external fenestration for window alterations and extenion of terrace

    Granted Full applications Windows or glazing
  • MTL 340 Gray's Inn Road London WC1X 8BJ

    2010/4610/P 0m away

    Retrospective application for five air conditioning units on rear wall of building (Class B1a) at ground floor level.

    Withdrawn Full applications
  • Flats 1 - 12 50 Britannia Street London WC1X 9JH

    2011/5347/P 0m away

    Installation of 2 communal satellite dishes, a new antenna with associated equipment cabinet and new external cable runs to the block of flats (Class C3).

    Granted Full applications New dwelling
  • 77 Wicklow Street London WC1X 9JY

    2010/4206/P 14m away

    Retention of canopy over existing chiller plant exhaust vents on flat roof area at rear first floor level to existing office building (Class B1) and installation of associated works including louvre panels on east elevation.

    Granted Full applications
  • Ground Floor and Lower Ground Floor 77 Wicklow Street London WC1X 9JY

    2021/5733/P 14m away

    Temporary change of use of the Ground Floor and Lower Ground Floor from Office (Class E) to Education (Class F1) for the University College London until 30 June 2027 (amended description).

    Granted Full applications

In Camden

  • 2026/2516/P Withdrawn

    31 Loveridge Road London Camden NW6 2DU

    Amalgamation of the existing three self-contained one-bedroom flats into a single-family dwelling house; demolition and replacement of existing outrigger; erection of a single-storey rear wrap-around extension; erection of a rear dormer extension; creation of a roof terrace above outrigger; replacement of existing windows with timber double glazed units; installation of rooflights to front roofslope; and installation of an air source heat pump in rear garden.

    16 Jun 2026 Full applications
  • 2026/3830/P Awaiting decision

    Euston Tower 286 Euston Road London NW1 3DP

    Deed of variation to allow more flexibility with Affordable housing payments for redevelopment of Euston Tower comprising retention of parts of the existing building (including central core, basement and foundations) and erection of a new building incorporating these retained elements, to provide a 32-storey mixed-use building providing offices and research and development floorspace (Class E(g)) and office, retail, café and restaurant space (Class E) and Enterprise Space (Class E/F) at ground and first floors, and associated external terraces; public realm enhancements, including new landscaping and provision of new publicly accessible steps and ramp; short and long stay cycle storage; servicing; refuse storage; plant and other ancillary and associated work.

    4 Sep 2026 Full applications
  • 2026/3282/P Granted

    5 Berkley Road London NW1 8XX

    Installation of 1no. above ground gas riser from the basement flat to the meter box at first floor (retrospective)

    31 Jul 2026 Full applications
  • 2026/0483/P Granted

    100 Avenue Road London NW3 3HF

    Discharge of details for condition 47 (surface water run off details) of planning permission 2026/0404/P granted on 19/06/2026 for " Variation of conditions (2 plan numbers); 8 (quantum of commercial space); 13 (commercial windows); 15 (Wind Microclimate); 19 (commercial windows); 24 (Air quality); 34 (development quantum); 40 (Circular Economy); 44 (designing out crime); 45 (Fire Strategy); 46 (SuDS); 48 (Community facility removed), 48 (wheelchair units), 49 (TfL health and safety) to planning permission ref. 2025/0852/P (for demolition of building and provision of a mixed-use residential-led development) to secure alterations to the external appearance; internal residential and commercial space layouts; omission of community floorspace and increased affordable housing provision; cycle and car parking; hard and soft landscaping, and other associated amendments”

    9 Feb 2026 Full applications
  • 2026/2697/P Awaiting decision

    Flat 1, 73 Eton Avenue London NW3 3EU

    Replacement of existing defective rear lean-to conservatory with a new slimline powder-coated aluminium framed conservatory with clear double glazing, on the exact same footprint as existing.

    3 Sep 2026 Full applications