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

1. 28 Feb 2019

   Decision issued: Granted

2. 22 Jul 2026

   Added to PlanIndex

• 2016/6069/P Granted

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

  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 (A1, A3 and A4), affordable workspace (B1) and reprovision of gym (D2); erection of part 6, part 9 storeys residential building to provide 22 flats (10 x 3-bed, 11 x 2-bed and 1 x 1-bed) (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.

  Decided 21 Nov 2017 Full applications
• 2017/6573/P Granted

  1 Triton Square and St Anne's Church, Laxton Place London NW1 3DX

  Amendment to the wording of conditions 2, 4-9, 11-24 and 26 to allow for part discharge between the residential and commercial elements and to alter the triggers for submission to 'erection of 3 storey extension at roof (6th floor) level of 1 Triton Square to provide additional office floorspace (Class B1) including flexible retail (A1, A3 and A4), affordable workspace (B1) and reprovision of gym (D2); erection of part 6, part 9 storeys residential building to provide 22 flats following demolition of St Anne's Church (Class D1)' approved under planning permission 2016/6069/P dated 21/11/2017.

  Decided 22 Dec 2017 Full applications

Camden granted permission on 28 February 2019, 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.

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.

• 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

• 2026/2471/P Granted

  Flat A 26 Eton Avenue London NW3 3HL

  Proposed elevational alterations to side and rear of the garden flat.

  15 Jun 2026 Full applications
• 2026/2467/P Granted

  42 Mornington Terrace London Camden NW1 7RT

  Replacement door and window at lower ground floor level to rear outrigger and installation of sandstone steps in rear garden.

  12 Jun 2026 Full applications
• 2026/2424/P Granted

  British Museum Great Russell Street London WC1B 3DG

  Details of SUDS system evidence required by Condition 10 of planning permission ref 2023/1848/P dated 17/07/2024 for Erection of new two storey building, plus basement and associated works to provide plant and welfare accommodation ancillary to the Museum following demolition of existing building and two storey structures on East Road (to the rear of 9-11 Montague Street and 43 Russell Square)

  11 Jun 2026 Full applications
• 2026/3888/P Awaiting decision

  Unit A, Ground Floor West 3-5 Bleeding Heart Yard London EC1N 8SJ

  Replace solid metal ground floor entrance door with glazed entrance door (Retrospective).

  9 Sep 2026 Full applications
• 2026/3903/P Awaiting decision

  2 Fellows Road London NW3 3LP

  Details pursuant to Condition 4 (Materials Details) of planning permission ref. 2026/2123/P (dated 21/07/2026) for: Amalgamation of existing two flats into one single dwellinghouse (Class C3); garage conversion to habitable space; infill extension at front lower ground and ground floors; minor changes to fenestration at rear; erection of copper roof extension with rooflight to existing rear extension; replacement terrace railings; installation of rooflight to main roof; new front boundary railings and gates; refurbishment of front steps; rear garden landscaping works; and associated exterior alterations.

  9 Sep 2026 Full applications