Planning application
21 Bloomsbury Street London Camden WC1B 3HF
Works: Extension Loft or dormer Windows or glazing
Relates to 2022/4361/P
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Details pursuant to condition 11 (cycle parking facilities) of planning permission ref. 2022/4361/P granted, subject to a legal agreement, on 09/08/2023, for extensions and alterations (an additional storey with new dormer windows, rooftop pavilion/plant, rear extensions with terraces and associated works to elevations windows/entrances etc)
As published by the council, reference 2024/4488/P
Application record
- Reference
- 2024/4488/P
- Category
- Full applications
- Status
- Final Decision
- Decision
- Granted
- Decided
- 24 Oct 2024
- Postcode
- WC1B 3HF
Site history
Applications at this address on the Camden register
This site has had 5 applications since 2024: 5 approved, 0 refused.
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2026/0763/P Granted
21 Bloomsbury Street London Camden WC1B 3HF
Non-material amendments to planning permission 2022/4361/P granted on 09/08/2023, and subsequently amended by non-material amendments consent 2025/3687/P granted on 30/09/2025, for alterations and extensions including an additional storey with pavilion and terraces above and rear (south elevation) extensions with terraces, new and replacement windows and entrance. The proposed non-material amendments include: minor changes to glazing and louvres on both street elevations (LGF, 5th and roof), reduced canopy and amended balustrading to rooftop pavilion, amended lintels and balustrades on rear (south) elevation), marginally increased atrium rooflight on roof.
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2025/4931/P Granted
21 Bloomsbury Street London Camden WC1B 3HF
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
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2024/4765/P Granted
21 Bloomsbury Street London Camden WC1B 3HF
Details pursuant to condition 8 (terrace screens) of planning permission ref. 2022/4361/P granted, subject to a legal agreement, on 09/08/2023, for extensions and alterations (an additional storey with new dormer windows, rooftop pavilion/plant, rear extensions with terraces and associated works to elevations windows/entrances etc)
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2024/2123/P Granted
21 Bloomsbury Street London Camden WC1B 3HF
Details (drawings and materials) of windows and doors pursuant to condition 4 of 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'
Timeline
Dates from the published record
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24 Oct 2024
Decision issued: Granted
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22 Jul 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
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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.
What this grant of permission means
Camden granted permission on 24 October 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 0.3 miles
-
21 Bloomsbury Street London WC1B 3SS
Installation of 2 x air-conditioning units at roof level including external pipework.
Granted Full applications -
21 Bloomsbury Street London Camden WC1B 3HF
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
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
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
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
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
Other full applications
In Camden
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2026/0990/P Refused
1 Bleeding Heart Yard & 19 Greville Street London EC1N 8SJ
Change of use from office space and restaurant use (Class E) and members club (Sui Generis) to affordable workspace and restaurant use (Class E) and 1 x residential unit on the third and fourth floors (Class C3). Erection of a two-storey roof extension across 19 Greville Street and 1 Bleeding Heart Yard, including alterations at second-floor level to the interior courtyard elevation, ground-floor fenestration changes, and a roof terrace for the associated residential unit.
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2026/3044/P Granted
London Irish Centre 50-52 Camden Square London NW1 9XB
Details to discharge Condition 25 Part A (Air Quality Monitoring) of planning permission ref. 2020/1481/P dated 17/05/24 for 'Redevelopment of site to provide new and reconfigured community centre and ancillary residential accommodation (Class D1/ D2) involving alterations to retained buildings at No's. 50, 51 and 52 Camden Square including replacement of two storey 'link' building; demolition of Murray Street and Murray Mews buildings and replacement with part-three / part-four storey building (plus basement level) with second and third floor terraces and new entrance; associated landscaping and cycle parking'.
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2026/4338/P Awaiting decision
32 Willoughby Road London NW3 1RU
Details to discharge condition 6 (tree protection methods) of planning permission 2025/4186/P granted 13/11/2025 for 'Demolition of existing two storey outrigger and replacement with part two-storey, part single storey rear extension, loft conversion with dormer and roof light to main roof at rear, new windows to flanking wall, replacement of existing windows and installation of a gate and fence to side'.
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2026/4141/P Awaiting decision
24 Endell Street London WC2H 9HQ
Relocation of three air conditioning condenser units to first floor roof, construction of an acoustic enclosure and other associated works.
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2026/3907/P Awaiting decision
Flat 1 16 Lyndhurst Road London NW3 5NL
External renovations to the front of the property, including works to the entry porch, steps, replacment front door, installation of metal railings to boundary wall and paving to front garden and erection of a glass roof to the side passage to create a bike shelter.