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Planning application

21 Bloomsbury Street London WC1B 3HF

Granted Camden 2022/0189/P Full applications

Works: Extension

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

Proposal

Partial infill of the existing atrium to create additional office floorspace.

As published by the council, reference 2022/0189/P

Application record

Reference
2022/0189/P
Category
Full applications
Status
Final Decision
Decision
Granted
Decided
31 Mar 2022
Postcode
WC1B 3HF

Site history

Applications at this address on the Camden register

This site has had 6 applications since 2022: 6 approved, 0 refused.

  • 2026/0272/P Granted

    21 Bloomsbury Street London WC1B 3HF

    Details of localised material surrounding the intercom system at the main entrance to partially re-discharge condition to condition 4 (materials) of planning permission 2022/4361/P granted on 09/08/2023 for roof extensions/alterations - additional storey with pavilion/new plant atop, rear extensions/terraces and elevational alterations

    Decided 5 Mar 2026 Full applications
  • 2025/3687/P Granted

    21 Bloomsbury Street London WC1B 3HF

    Non-material amendments to planning permission 2022/4361/P granted on 09/08/2023 (for: extensions and alterations including an additional storey with a pavilion and terraces on top and rear (south) extensions to all upper floors with terraces) Proposed amendments are at roof level and on rear elevation and include realignment of windows, with some louvres added, amendments to the roof interfaces (at the gables), amended/additional plant on the roof and setting back of the roof balustrade (east elevation)

    Decided 30 Sep 2025 Amendments
  • 2024/1606/P Granted

    21 Bloomsbury Street London WC1B 3HF

    Details pursuant to condition 10 (green roofs) of planning permission 2022/4361/P, for; Alterations to existing building comprising: rear extension at second to fifth floor levels with associated terraces, relocation of existing sixth floor/roof-top plant enclosure and erection of an additional (sixth storey) of offices on the existing roof (with new dormer windows and louvres in the Bedford Avenue and Bloomsbury Street roofs to serve the new sixth floor extension) formation of pavilion, external terraces and green roof at sixth floor level and on roof of new sixth floor extension (and an extended lift over-run), replacement of windows; alterations to entrances; replacement of faux chimney stacks and associated works.

    Decided 24 Jun 2024 Full applications
  • 2024/1896/P Granted

    21 Bloomsbury Street London WC1B 3HF

    Non material amendments to planning permission 2022/4361/P granted on 09/08/2023 for 'Alterations to existing building comprising: rear extension at second to fifth floor levels with associated terraces, relocation of existing sixth floor/roof-top plant enclosure and erection of an additional (sixth storey) of offices on the existing roof (with new dormer windows and louvres in the Bedford Avenue and Bloomsbury Street roofs to serve the new sixth floor extension) formation of pavilion, external terraces and green roof at sixth floor level and on roof of new sixth floor extension (and an extended lift over-run), replacement of windows; alterations to entrances; replacement of faux chimney stacks and associated works'. Proposed amendments consist of : Alterations at lower ground floor level to facilitate installation of a new UKPN substation, including installation of louvres on window and doors and replacement of gate at ground floor level with railings.

    Decided 29 May 2024 Amendments
  • 2022/4361/P Granted

    21 Bloomsbury Street London WC1B 3HF

    Alterations to existing building comprising: rear extension at second to fifth floor levels with associated terraces, relocation of existing sixth floor/roof-top plant enclosure and erection of an additional (sixth storey) of offices on the existing roof (with new dormer windows and louvres in the Bedford Avenue and Bloomsbury Street roofs to serve the new sixth floor extension) formation of pavilion, external terraces and green roof at sixth floor level and on roof of new sixth floor extension (and an extended lift over-run), replacement of windows; alterations to entrances; replacement of faux chimney stacks and associated works.

    Decided 9 Aug 2023 Full applications

Timeline

Dates from the published record

  1. 31 Mar 2022

    Decision issued: Granted

  2. 22 Jul 2026

    Added to PlanIndex

What this grant of permission means

Camden granted permission on 31 March 2022, 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

  • 21 Bloomsbury Street London WC1B 3SS

    2014/4034/P 0m away

    Installation of 2 x air-conditioning units at roof level including external pipework.

    Granted Full applications
  • 21 Bloomsbury Street London Camden WC1B 3HF

    2025/4931/P Submitted 31 Oct 2025 0m away

    Installation of a louvre to one window on the Bloomsbury Street elevation and a louvre to one window on the Bedford Avenue elevation (both at lower ground floor level); minor amendment to horizontal glazing bars on two lower ground floor windows

    Granted Full applications Windows or glazing 12 docs
  • 21 Bloomsbury Street London WC1B 3HF

    2024/1896/P Submitted 14 May 2024 0m away

    Non material amendments to planning permission 2022/4361/P granted on 09/08/2023 for 'Alterations to existing building comprising: rear extension at second to fifth floor levels with associated terraces, relocation of existing sixth floor/roof-top plant enclosure and erection of an additional (sixth storey) of offices on the existing roof (with new dormer windows and louvres in the Bedford Avenue and Bloomsbury Street roofs to serve the new sixth floor extension) formation of pavilion, external terraces and green roof at sixth floor level and on roof of new sixth floor extension (and an extended lift over-run), replacement of windows; alterations to entrances; replacement of faux chimney stacks and associated works'. Proposed amendments consist of : Alterations at lower ground floor level to facilitate installation of a new UKPN substation, including installation of louvres on window and doors and replacement of gate at ground floor level with railings.

    Granted Amendments Extension Loft or dormer +1 14 docs
  • 21 Bloomsbury Street London WC1B 3HF

    2025/3687/P Submitted 21 Aug 2025 0m away

    Non-material amendments to planning permission 2022/4361/P granted on 09/08/2023 (for: extensions and alterations including an additional storey with a pavilion and terraces on top and rear (south) extensions to all upper floors with terraces) Proposed amendments are at roof level and on rear elevation and include realignment of windows, with some louvres added, amendments to the roof interfaces (at the gables), amended/additional plant on the roof and setting back of the roof balustrade (east elevation)

    Granted Amendments Extension Windows or glazing 10 docs
  • 21 Bloomsbury Street London WC1B 3SS

    2010/0852/P 0m away

    Installation of new condensing units, replacement of air handling unit and associated ducting at roof level of office building (Class B1).

    Granted Full applications
  • 21 Bloomsbury Street London WC1B 3HF

    2022/4361/P 0m away

    Alterations to existing building comprising: rear extension at second to fifth floor levels with associated terraces, relocation of existing sixth floor/roof-top plant enclosure and erection of an additional (sixth storey) of offices on the existing roof (with new dormer windows and louvres in the Bedford Avenue and Bloomsbury Street roofs to serve the new sixth floor extension) formation of pavilion, external terraces and green roof at sixth floor level and on roof of new sixth floor extension (and an extended lift over-run), replacement of windows; alterations to entrances; replacement of faux chimney stacks and associated works.

    Granted Full applications Extension Loft or dormer +1

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