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Planning application

A, B, C & D 65 Chalton Street London NW1 1HY

Awaiting decision Camden 2025/4823/P Full Planning Permission

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

  1. 4 Nov 2025

    Received by Camden

  2. 11 Nov 2025

    Validated

    Checked as complete and ready for consideration.

  3. 24 Jul 2026

    Added to PlanIndex

  4. 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 documents

What 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

    2011/5006/P 50 yards away

    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

    2023/2739/P 50 yards away

    Erection of mansard roof extension

    Granted Full applications Extension Loft or dormer
  • Flat 1st and 2nd Floor 63 Chalton Street London NW1 1HY

    2016/5102/P 50 yards away

    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

    2013/6411/P 50 yards away

    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

    2025/0914/P 50 yards away

    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

    2024/4770/P 50 yards away

    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

In Camden

  • 2026/0990/P Refused

    1 Bleeding Heart Yard & 19 Greville Street London EC1N 8SJ

    Change of use from office space and restaurant use (Class E) and members club (Sui Generis) to affordable workspace and restaurant use (Class E) and 1 x residential unit on the third and fourth floors (Class C3). Erection of a two-storey roof extension across 19 Greville Street and 1 Bleeding Heart Yard, including alterations at second-floor level to the interior courtyard elevation, ground-floor fenestration changes, and a roof terrace for the associated residential unit.

    Received 26 Mar, published by the council 24 Jul 2026 Full applications
  • 2026/3044/P Granted

    London Irish Centre 50-52 Camden Square London NW1 9XB

    Details to discharge Condition 25 Part A (Air Quality Monitoring) of planning permission ref. 2020/1481/P dated 17/05/24 for 'Redevelopment of site to provide new and reconfigured community centre and ancillary residential accommodation (Class D1/ D2) involving alterations to retained buildings at No's. 50, 51 and 52 Camden Square including replacement of two storey 'link' building; demolition of Murray Street and Murray Mews buildings and replacement with part-three / part-four storey building (plus basement level) with second and third floor terraces and new entrance; associated landscaping and cycle parking'.

    Received 20 Jul, published by the council 2 Aug 2026 Full applications
  • 2026/4338/P Awaiting decision

    32 Willoughby Road London NW3 1RU

    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'.

    Received 5 Oct, published by the council 9 Oct 2026 Full applications
  • 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.

    Received 5 Oct, published by the council 9 Oct 2026 Full applications
  • 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.

    Received 5 Oct, published by the council 9 Oct 2026 Full applications