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Planning application

1 Triton Square London NW1 3AN

Granted Camden 2025/4243/P Approval of Details

Relates to 2024/0409/P

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

Proposal

Details of Emissions Strategy required by condition 6 of planning permission 2024/0409/P dated 03/09/24 (for the re-positioning of 1 Triton Square for life science and innovation uses to provide lab and office space involving plant work to roof (flues and new plant room), installation of gas store to west side of site, cryogenic storage at ground floor level on eastern side, amendments to existing façade to provide new louvres (all elevations) and ancillary works).

As published by the council, reference 2025/4243/P

Application record

Reference
2025/4243/P
Type
Approval of Details
Status
Final Decision
Decision
Granted
Received
25 Sep 2025
Validated
22 Oct 2025
Decided
19 Feb 2026
Ward
Regents Park
Decision by
Delegated
Postcode
NW1 3AN

Site history

Applications at this address on the Camden register

This site has had 3 applications since 2024: 3 approved, 0 refused.

  • 2025/4994/A Granted

    1 Triton Square London NW1 3AN

    Installation of 1no. wall mounted internally illuminated (letters only) sign

    Decided 18 Nov 2025 Advertising
  • 2024/2206/P Granted

    1 Triton Square London NW1 3AN

    Use of first to eighth floors for life science and innovation uses within use class E(g)(ii).

    Decided 19 Jul 2024 Full applications

Timeline

Dates from the published record

  1. 25 Sep 2025

    Received by Camden

  2. 22 Oct 2025

    Validated

    Checked as complete and ready for consideration.

  3. 19 Feb 2026

    Decision issued: Granted

  4. 9 Aug 2026

    Added to PlanIndex

Cases linked to this one on the register

  • 2024/0409/P Granted

    1 Triton Square London NW1 3DX

    The re-positioning of 1 Triton Square for life science and innovation uses to provide lab and office space involving plant work to roof (flues and new plant room), installation of gas store to west side of site, cryogenic storage at ground floor level on eastern side, amendments to existing façade to provide new louvres (all elevations) and ancillary works.

    Decided 3 Sep 2024 Full applications

Documents

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

4 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 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 500 metres

  • 1 Triton Square & St Anne's Church London NW1 3DX

    2020/2346/P 0m away

    Details of mechanical ventilation for Residential Element required by condition 17B of planning permission 2016/6069/P dated 21/11/2017 (as amended by 2017/6573/P dated 22/12/17) (for erection of roof extension at 1 Triton Square to provide additional office floorspace with relocated plant above, creation of roof terraces at 6th floor level, reconfiguration of ground floor including infill of Triton Square Mall including flexible retail, affordable workspace and reprovision of gym; erection of 6-9 storeys residential building to provide 22 flats; landscaping; reconfigured accesses; and other ancillary works).

    Granted Full applications New dwelling Extension
    Major scheme
  • 1 Triton Square & St Anne's Church London NW1 3DX

    2019/1834/P 0m away

    Details of Piling Strategy for Residential Element required by condition 4B of planning permission 2016/6069/P dated 21/11/2017 (as amended by 2017/6573/P dated 22/12/17) (for erection of 3 storey extension at roof (6th floor) level of 1 Triton Square to provide additional office floorspace (Class B1) with relocated plant above, creation of roof terraces at 6th floor level, reconfiguration of ground floor including infill of Triton Square Mall including flexible retail, affordable workspace (B1) and reprovision of gym (D2); erection of part 6, part 9 storeys residential building to provide 22 flats (Class C3) following demolition of St Anne's Church (Class D1); hard and soft landscaping including garden at junction of Longford Street and Triton Square; reconfigured vehicle and pedestrian accesses; and other ancillary works).

    Granted Full applications New dwelling Extension +1
    Major scheme
  • 1 Triton Square London NW1 3DX

    2024/0409/P 0m away

    The re-positioning of 1 Triton Square for life science and innovation uses to provide lab and office space involving plant work to roof (flues and new plant room), installation of gas store to west side of site, cryogenic storage at ground floor level on eastern side, amendments to existing façade to provide new louvres (all elevations) and ancillary works.

    Granted Full applications
  • 1 Triton Square and St Anne's Church Laxton Place London NW1 3DX

    2018/5705/P 0m away

    Alterations to portal on the south elevation (increased entrance depth), stone transoms replaced by aluminium and mullion added, both to top of cores to 'Erection of 3 storey extension at roof (6th floor) level of 1 Triton Square to provide additional office floorspace (Class B1)' approved under planning permission 2016/6069/P dated 21/11/17as amended by 2018/2980/P dated 07/09/2018.

    Granted Full applications Extension
  • 1 Triton Square and St Anne's Church, Laxton Place London NW1 3DX

    2018/3306/P 0m away

    Details of sustainable drainage system within the commercial element required by condition 13A (in part) of planning permission 2016/6069/P dated 21/11/2017 (as amended by 2017/6573/P dated 22/12/17).

    Granted Full applications
  • 1 Triton Square & St Annes Church London NW1 3DX

    2018/5834/P 0m away

    Details of mechanical ventilation (for commercial element) required by condition 17A of planning permission 2016/6069/P dated 21/11/2017 (as amended by 2017/6573/P dated 22/12/17) (for erection of 3 storey extension at roof (6th floor) level of 1 Triton Square to provide additional office floorspace (Class B1) with relocated plant above, creation of roof terraces at 6th floor level, reconfiguration of ground floor including infill of Triton Square Mall including flexible retail, affordable workspace (B1) and reprovision of gym (D2); erection of part 6, part 9 storeys residential building to provide 22 flats (Class C3) following demolition of St Anne's Church (Class D1); hard and soft landscaping including garden at junction of Longford Street and Triton Square; reconfigured vehicle and pedestrian accesses; and other ancillary works).

    Granted Full applications New dwelling Extension +1
    Major scheme

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

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    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