Planning application
10 Chalcot Crescent London NW1 8YD
Works: Extension Loft or dormer
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 (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.
As published by the council, reference 2026/3851/L
Application record
- Reference
- 2026/3851/L
- Type
- Listed Building Consent
- 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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2026/3810/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.
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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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2025/4952/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
2 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 heritage and listed building applications in a median of 56 days. More in our guide to how long planning decisions take.
About heritage and listed building applications
Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
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10 Chalcot Crescent London NW1 8YD
99% historically approved · decision due ~4 Nov
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.
Awaiting decision Amendments Extension Loft or dormer 9 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 heritage and listed building applications
In Camden
-
2026/1141/L Granted
25 John Street London WC1N 2BS
Internal and external alterations to partition layout at basement, supporting structures and external ground level, and alterations to design of conservatory, windows and doors granted under listed building consent 2024/0338/L dated 06/08/2024.
-
2025/1781/L Granted
Frognal Rise House Lower Terrace London NW3 6RE
Demolition of existing garage and interlinking gallery and replacement with new garage and garden room with link, new basement floor below garden, alterations to main house including replacement windows including reinstated oriel window and new French doors to entrance elevation, new roofing to side wing, new portico and replacement door to front elevation, enlargement of existing lightwell, replacement gates and canopy over entrance gate, restorations of boundary treatments, associated internal alterations including partial underpinning works and other minor alterations.
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2026/4129/L Awaiting decision
6 Leverton Street London NW5 2PJ
Strip out kitchen including floor tiles and replace; replace plumbing and flooring in rear ensuite; replace plumbing in front ensuite and WC; replace internal doors; replace garden wall with metal railing; replace 3 rear windows, 3 rear elevation side windows, 1 rear door and 1 rear elevation side door with double-glazed crittal windows and doors; remove 2 rear windows; render rear elevation brickwork; and associated works.
-
2026/1686/L Granted
Flat Ground and 1st Floor and Flat 2nd and 3rd Floor 14 Downshire Hill London NW3 1NR
External and internal alterations in connection with conversion of two self-contained flats into a single-family dwellinghouse, including new doors at rear ground and second floor level, replacement windows at rear second and third floors level, removal of internal partitions, extending the stair handrail, and replacement internal doors, parquet flooring, skirting, architraves, cornicing, and fittings.
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2026/2202/L Refused
4 Hampstead Square London NW3 1AB
Erection of conservatory to front elevation.