Planning application
10 Chalcot Crescent London NW1 8YD
Works: Extension
Relates to 2025/4952/L
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 (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.
As published by the council, reference 2026/1881/P
Application record
- Reference
- 2026/1881/P
- Type
- Variation or Removal of Condition(s)
- Status
- Registered
- Received
- 12 May 2026
- Validated
- 13 May 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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2026/3810/P Awaiting decision
10 Chalcot Crescent London NW1 8YD
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.
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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.
-
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.
-
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
-
12 May 2026
Received by Camden
-
13 May 2026
Validated
Checked as complete and ready for consideration.
-
24 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 8 July 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 42 days over the applications it decided in the last year.
Related applications
Cases linked to this one on the register
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2025/4952/L Granted
10 Chalcot Crescent London NW1 8YD
Erection of a lower ground floor rear extension and internal alterations.
Documents
Plans, drawings, consultee responses and the officer's report
6 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 49 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
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.
Granted Heritage and listed buildings Extension 9 docs -
10 Chalcot Crescent London NW1 8YD
External and Internal alterations to single dwelling house
Withdrawn Full applicationsDomestic -
10 Chalcot Crescent London NW1 8YD
External and Internal alterations to single dwelling house
Withdrawn Heritage and listed buildingsDomestic -
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.
Granted Heritage and listed buildings Extension 6 docs -
10 Chalcot Crescent London NW1 8YD
Erection of a lower ground floor rear extension and internal alterations.
Granted Heritage and listed buildings Extension 3 docs -
10 Chalcot Crescent London NW1 8YD
98% historically approved · decision due ~14 Jul
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.
Awaiting decision Amendments Extension 4 docs
Other amendment applications
In Camden
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2026/1982/P Granted
29 Healey Street London NW1 8SR
Variation of conditions 2 (approved plans) of planning permission 2025/1250/P granted 13/05/2025 (for: 'Erection of part one and part two storey rear extension and roof terrace at second floor; erection of a mansard roof extension.') namely to amend the materiality of the proposed rear elevation joinery.
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2026/4008/P Awaiting decision
6 Murray Street London NW1 9RE
Non-material amendment to planning permission ref. 2023/3483/P (dated 25/10/2023) for 'Erection of mansard roof extension and replacement shopfront', NAMELY for changes to the rear dormers.
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2026/3390/P Granted
The British Museum Great Russell Street London WC1B 3DG
Amendments to planning permission ref. 2025/0038/P dated 03/03/2025, as amended by ref. 2026/2945/P dated 24/07/2026 for the continued use of single storey structures at the south and north entrances to provide an external search facility to the museum for a temporary period, NAMELY to vary Condition 1 (temporary structure) to allow the continued use of the single storey security structure at the north entrance for a further temporary period.
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2025/4829/P Granted
Former Hampstead Police Station 26 Rosslyn Hill London NW3 1PD
Variation of condition 2 (Approved drawings) of application 2024/1078/P dated 24/07/2025 for 'Change of use from former police station (sui generis) to provide 5 residential units(Use Class C3) and commercial floorspace (Use Class E), space for a private healthcare use (Use Class E(e)). three storey and four storey rear extensions, replacement of windows, external alterations, landscaping, cycle and refuse storage, rooftop plant and associated ancillary works.' changes include replacement of 1970's extension, location of proposed plant, removal and addition of windows on rear elevation, landscaping alterations.
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2026/1189/P Granted
Flat 2 47 Compayne Gardens London NW6 3DB
Variation of condition 2 (approved drawings) of planning permission 2023/3067/P dated 21/06/2024 for 'Extension of existing basement and creation of terrace with bi fold doors and garden access stairs above, new lightwell to the side with metal grille cover, proposed side windows and landscaping to the side and rear' changes include changing location of the lightwell from side to front (Retrospective)