Planning application
A, B, C & D 65 Chalton Street London NW1 1HY
Works: Extension Windows or glazing
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Erection of three storey rear extension and installation of new and replacement windows and doors at basement, ground, first and second floor levels to the front and side elevations.
As published by the council, reference 2025/4823/P
Application record
- Reference
- 2025/4823/P
- Type
- Full Planning Permission
- Status
- Registered
- Received
- 4 Nov 2025
- Validated
- 11 Nov 2025
- Ward
- St Pancras and Somers Town
- Postcode
- NW1 1HY
Timeline
Dates from the published record
-
4 Nov 2025
Received by Camden
-
11 Nov 2025
Validated
Checked as complete and ready for consideration.
-
24 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 6 January 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.
Documents
Plans, drawings, consultee responses and the officer's report
10 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 full applications in a median of 61 days. More in our guide to how long planning decisions take.
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
-
65B Chalton Street London NW1 1HY
Erection of rear extension to existing mansard roof, including creation of roof terrace and associated raised parapet at rear third floor level, to provide additional accommodation to existing flat (Class C3).
Refused Full applications Extension Loft or dormer -
63 Chalton Street London NW1 1HY
Erection of mansard roof extension
Granted Full applications Extension Loft or dormer -
Flat 1st and 2nd Floor 63 Chalton Street London NW1 1HY
Erection of mansard roof extension at 2nd floor roof level to provide additional accommodation to existing flat (Class C3).
Granted Full applications Extension Loft or dormer -
Biglife Management 67 Chalton Street London NW1 1HY
Change of use of ground and basement floors from office (Class B1) to meditation centre ( Class D1)
Granted Full applications -
70 Churchway London NW1 1LT
Details to discharge Conditions 3 (Details and Materials) of planning permission 2016/3174/P dated 30/10/2020 for the 'Erection of 3 storey building plus basement with rear garden and roof terrace at 1st floor level, comprising 3 x Residential units (1x2 bed & 2x1bed unit) (C3 Use Class) to allow for offsetting of residential accommodation in connection with application 2016/5266/P [53-55 Chalton Street].
Granted Full applications -
70 Churchway London NW1 1LT
Details to discharge Conditions 3 (Details and Materials), 7 (Solar PV), 11 (Biodiversity Enhancements), and 12 (Accessibility) of planning permission 2016/3174/P dated 30/10/2020 for the 'Erection of 3 storey building plus basement with rear garden and roof terrace at 1st floor level, comprising 3 x Residential units (1x2 bed & 2x1bed unit) (C3 Use Class) to allow for offsetting of residential accommodation in connection with application 2016/5266/P [53-55 Chalton Street].
Split decision Full applications
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2026/3044/P Granted
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2026/4338/P Awaiting decision
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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.
-
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.