Planning application
2025/4823/P
A, B, C & D 65 Chalton Street London NW1 1HY
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
Timeline
Dates from the published record
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4 Nov 2025
Received by Camden
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11 Nov 2025
Validated
Checked as complete and ready for consideration.
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24 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
What happens while it is decided
The process from here
This application is with Camden for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
About full applications applications
How this application type works
A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.
Nearby applications
Within 500 metres
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2011/5006/P Refused
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).
-
2023/2739/P Granted
63 Chalton Street London NW1 1HY
Erection of mansard roof extension
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2016/5102/P Granted
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).
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2013/6411/P Granted
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)
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2025/0914/P Granted
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].
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2024/4770/P Refused
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].
Other full applications applications
In Camden
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2026/0743/P Granted
34-42 Middlesex House Cleveland Street London W1T 4JE
Details pursuant to Condition 6 (Living Roof) of planning permission 2024/2020/P granted on 12/09/2024 "(Minor refurbishment and rooftop works including: upgraded entrance and reception area; new cycle storage and associated end of trip facilities; new/replaced rooftop plant and plant enclosures; creation of a rooftop amenity area with pavilion structure; hard and soft rooftop landscaping; and all associated and ancillary works)."
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2026/3202/P Awaiting decision
Flat 1 94 Goldhurst Terrace London NW6 3HS
Erection of a single storey rear extension.
-
2026/0335/P Granted
216A West End Lane London NW6 1UX
Conversion of 1 x 7 bedroom flat (C3) and 1 x 2 bedroom flat (C3) to 1 x 7 bedroom House in Multiple Occupation (Sui-generis) and 1 x 1 bedroom flat (C3) and installation of four rooflights
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2026/3229/P Awaiting decision
52 Neal Street London WC2H 9PA
Alterations to the shopfront and installation of awnings.
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2026/2160/P Granted
120 College Place London NW1 0DJ
Erection of a rear roof extension, formation of a rear roof terrace and installation of 2x rooflights to front roof slope, and associated works.