Planning application
10 Chalcot Crescent London NW1 8YD
Works: Extension Loft or dormer
Relates to 2025/4793/P
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Variation of condition 2 (drawings) to planning permission 2025/4793/P dated 16/01/2026 for 'Erection of a lower ground floor rear extension and internal alterations' for the removal of the existing non-original loft hatch and roof hatch above, and the installation of an automatic opening vent (AOV) rooflight.
As published by the council, reference 2026/3810/P
Application record
- Reference
- 2026/3810/P
- Type
- Variation or Removal of Condition(s)
- Status
- Registered
- Received
- 8 Sep 2026
- Validated
- 9 Sep 2026
- Ward
- Primrose Hill
- Postcode
- NW1 8YD
Site history
Applications at this address on the Camden register
This site has had 10 applications since 2025: 4 approved, 0 refused.
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2026/3851/L Awaiting decision
10 Chalcot Crescent London NW1 8YD
Variation of condition 2 (drawings) to listed building consent 2025/4952/L dated 16/01/2026 for 'Erection of a lower ground floor rear extension and internal alterations' for the removal of the existing non-original loft hatch and roof hatch above, and the installation of an automatic opening vent (AOV) rooflight.
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2026/2008/L Granted
10 Chalcot Crescent London NW1 8YD
Variation of condition 2 (approved drawings) to listed building consent 2025/4952/L dated 16/01/2026 for 'Erection of a lower ground floor rear extension and internal alterations', to remove a section of existing wall at lower ground floor level.
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2026/2008/P Awaiting decision
10 Chalcot Crescent London NW1 8YD
Variation of condition 2 (approved drawings) to listed building consent 2025/4952/L dated 16/01/2026 for 'Erection of a lower ground floor rear extension and internal alterations', to remove a section of existing wall at lower ground floor level.
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2026/1881/L Granted
10 Chalcot Crescent London NW1 8YD
Variation of condition 2 (approved drawings) to listed building consent 2025/4952/L dated 16/01/2026 for 'Erection of a lower ground floor rear extension and internal alterations', to enlarge the existing opening within the wall between the front and rear rooms at ground floor level.
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2026/1881/P Awaiting decision
10 Chalcot Crescent London NW1 8YD
Variation of condition 2 (approved drawings) to listed building consent 2025/4952/L dated 16/01/2026 for 'Erection of a lower ground floor rear extension and internal alterations', to enlarge the existing opening within the wall between the front and rear rooms at ground floor level.
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2025/4952/L Granted
10 Chalcot Crescent London NW1 8YD
Erection of a lower ground floor rear extension and internal alterations.
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2025/4793/P Granted
10 Chalcot Crescent London NW1 8YD
Erection of a lower ground floor rear extension and associated alterations.
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2025/1034/P Withdrawn
10 Chalcot Crescent London NW1 8YD
External and Internal alterations to single dwelling house
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2025/1090/L Withdrawn
10 Chalcot Crescent London NW1 8YD
External and Internal alterations to single dwelling house
Timeline
Dates from the published record
-
8 Sep 2026
Received by Camden
-
9 Sep 2026
Validated
Checked as complete and ready for consideration.
-
10 Sep 2026
Added to PlanIndex
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Decision
Awaiting decision
Decision expected by 4 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Camden took a median of 43 days over the applications it decided in the last year.
Related applications
Cases linked to this one on the register
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2025/4793/P Granted
10 Chalcot Crescent London NW1 8YD
Erection of a lower ground floor rear extension and associated alterations.
Documents
Plans, drawings, consultee responses and the officer's report
9 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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with Camden for determination, against a statutory target of eight weeks. Over the last year Camden decided amendment applications in a median of 55 days. More in our guide to how long planning decisions take.
About amendment applications
An amendment application makes limited changes to a permission that already exists; anything beyond modest adjustment needs a fresh application. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
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10 Chalcot Crescent London NW1 8YD
96% historically approved · decision due ~4 Nov
Variation of condition 2 (drawings) to listed building consent 2025/4952/L dated 16/01/2026 for 'Erection of a lower ground floor rear extension and internal alterations' for the removal of the existing non-original loft hatch and roof hatch above, and the installation of an automatic opening vent (AOV) rooflight.
Awaiting decision Heritage and listed buildings Extension Loft or dormer 2 docs -
Flat 4 46 Chalcot Crescent London NW1 8YD
Removal and replacement of defective third floor rear window.
Granted Full applications Windows or glazing -
Flat 5 1 Chalcot Square London Camden NW1 8YB
Proposed replacement of existing rooflight at front roof slope.
Refused Full applications Loft or dormer -
1 Flat 5 Chalcot Square London Camden NW1 8YB
Internal alterations including removal of existing modern partition walls and staircase and replacement spiral staircase with associated making good works
Granted Heritage and listed buildings -
1 Chalcot Square London NW1 8YB
Installation of windows to two blind windows at third floor level on Sharpeshall Street elevation and replacement of windows at second and third floor on Sharpeshall Street elevation and third floor on Chalcot Square elevation and internal alterations all in connection with change of use of 2 flats to a maisonette at second and third floor level (Class C3).
Withdrawn Heritage and listed buildings New dwelling Windows or glazingSeveral homes -
1 Chalcot Square London NW1 8YB
Installation of windows to two blind windows at third floor level on Sharpeshall Street elevation and replacement of windows at second and third floor on Sharpeshall Street elevation and third floor on Chalcot Square elevation and change of use of 2 flats to a maisonette at second and third floor level (Class C3).
Withdrawn Full applications New dwelling Windows or glazingSeveral homes
Other amendment applications
In Camden
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2026/1139/P Granted
25 John Street London WC1N 2BS
Alterations to design of conservatory, windows and doors approved under planning permission 2024/0312/P dated 06/08/2024.
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2026/4266/P Awaiting decision
Unit 3A Camden Wharf London 28 Jamestown Road NW1 7BY
Variation of the planning permission dated 15.3.1999 (Registered No PE9700702R3) for the redevelopment of the eastern part of the site by the erection of a four-storey building for mixed A1, A3 and B1 and the retention of the lock-keepers cottage as a Canal Information Centre with ancillary retail/ cafe comprising alterations to the elevations, fenestration, shopfront, balustrading, terraces, roof plant and the omission of the approved canopy over the pedestrian area as well as the discharging of part of condition 1 of the said planning permission relating to approval of details of balustrades, shopfronts, the canopy attached to the commercial building and any structure related to it.
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2026/3366/P Granted
Flat Lower Ground Floor 133 King Henry's Road London NW3 3RD
Variation of condition 2 (approved plans) of planning permission 2025/1032/P dated 23/04/2025 (which amended 2023/5117/P dated 22/03/2024 (for: Erection of single storey rear extension at lower ground floor, new windows to front and side elevations and new front door) NAMELY, changes to front elevation window and materials
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2026/4223/P Awaiting decision
6 Conybeare London NW3 3SD
Variation of Condition 2 (approved plans) of planning permission ref. 2022/2870/P, dated 13/12/2022, for the erection of a single-storey roof extension and internal roof terrace to the front part of the building, namely to regularise amendments to the approved scheme.
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2026/4045/P Granted
234 - 240 Grafton Road London NW5 4NS
Non-material amendment to planning permission 2024/4574/P granted 21/01/2026 for 'Erection of mansard roof extension to accommodate 1 x one bedroom and 1 x two bedroom dwellings; erection of a part one part two storey semi-detached one bedroom dwelling within rear garden to Dale Road; new cycle storage within rear garden, installation of 1 x ASHP in rear garden and 2 x ASHP on mansard roof of terrace, alterations to front boundary treatment.' namely to amend windows on the rear elevation of the existing building.