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Planning application

The Old Hall Cottage 4B Kidderpore Avenue London NW3 7SP

Awaiting decision Camden 2026/3782/P Full Planning Permission

Works: Extension Loft or dormer 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 a roof extension incorporating an enlarged roof addition above the front stairwell with a flush metal-framed rooflights, removal of pebbledash render at ground and first floor levels and re-rendering with a smooth painted finish to match the existing render, installation of a glazed canopy at basement level and installation of a steel door and acoustic wall panelling at basement level

As published by the council, reference 2026/3782/P

Application record

Reference
2026/3782/P
Type
Full Planning Permission
Status
Registered
Received
2 Sep 2026
Validated
3 Sep 2026
Ward
Frognal
Postcode
NW3 7SP

Site history

Applications at this address on the Camden register

This site has had 4 applications since 2016: 3 approved, 0 refused.

  • 2019/1022/P Granted

    The Old Hall Cottage 4B Kidderpore Avenue London NW3 7SP

    Erection of a 2nd floor roof extension to provide additional accommodation for the lower floors unit (Class C3)

    Decided 12 Aug 2019 Full applications
  • 2016/3452/P Granted

    The Old Hall Cottage 4B Kidderpore Avenue London NW3 7SP

    Variation of condition 3 (approved plans) of planning permission 2015/6639/P dated 22/04/2016 (for erection of a roof extension), namely to allow an additional rooflight and to reposition 2 rooflights.

    Decided 22 Sep 2016 Full applications
  • 2015/6639/P Granted

    The Old Hall Cottage 4B Kidderpore Avenue London NW3 7SP

    Erection of a roof extension

    Decided 22 Apr 2016 Full applications

Timeline

Dates from the published record

  1. 2 Sep 2026

    Received by Camden

  2. 3 Sep 2026

    Validated

    Checked as complete and ready for consideration.

  3. 7 Sep 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 29 October 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.

Documents

Plans, drawings, consultee responses and the officer's report

12 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.

Trade members open them 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 56 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 500 metres

  • The Old Hall Lodge 4B Kidderpore Avenue London NW3 7SP

    2026/0397/T Submitted 2 Feb 2026 0m away

    FRONT GARDEN: 1 x Lime (T1) - Reduce crown by 50% back to its previous growth points, 5m of height and 2.5 of width.

    Granted Trees 3 docs
  • The Old Hall Cottage 4B Kidderpore Avenue London NW3 7SP

    2019/1022/P 0m away

    Erection of a 2nd floor roof extension to provide additional accommodation for the lower floors unit (Class C3)

    Granted Full applications Extension
  • The Old Hall Cottage 4B Kidderpore Avenue London Camden NW3 7SP

    2025/3140/P 0m away

    Erection of a roof extension

    Granted Full applications Extension
  • The Old Hall Cottage 4 B Kidderpore Avenue London NW3 7SP

    2026/1872/P Submitted 14 May 2026 0m away

    Alterations to a maisonette incorporating removal of an existing timber-framed, single-glazed glass roof structure over the front light well and installation of a black painted steel safety railing around the open light well, replacement of two existing cast-iron rainwater downpipes at front elevation and rear elevation with black ainwater downpipes, removal of a non-original timber-framed canopy with ceramic tile covering over the basement (Garden Flat) entrance and installation of a replacement aluminium-framed door canopy and replacement of five timber casement windows on the front elevation and one rear-elevation glazed timber door.

    Granted Full applications Windows or glazing 6 docs
  • The Old Hall Cottage 4B Kidderpore Avenue London NW3 7SP

    2016/3452/P 4m away

    Variation of condition 3 (approved plans) of planning permission 2015/6639/P dated 22/04/2016 (for erection of a roof extension), namely to allow an additional rooflight and to reposition 2 rooflights.

    Granted Full applications Extension Loft or dormer
  • 4A Kidderpore Avenue London NW3 7SP

    2013/2379/P 4m away

    New side window to rear extension (retrospective) and relocation of fence in rear garden of flat (Class C3).

    Granted Full applications Extension Windows or glazing
    Small domestic

In Camden

  • 2026/2516/P Withdrawn

    31 Loveridge Road London Camden NW6 2DU

    Amalgamation of the existing three self-contained one-bedroom flats into a single-family dwelling house; demolition and replacement of existing outrigger; erection of a single-storey rear wrap-around extension; erection of a rear dormer extension; creation of a roof terrace above outrigger; replacement of existing windows with timber double glazed units; installation of rooflights to front roofslope; and installation of an air source heat pump in rear garden.

    16 Jun 2026 Full applications
  • 2026/3830/P Awaiting decision

    Euston Tower 286 Euston Road London NW1 3DP

    Deed of variation to allow more flexibility with Affordable housing payments for redevelopment of Euston Tower comprising retention of parts of the existing building (including central core, basement and foundations) and erection of a new building incorporating these retained elements, to provide a 32-storey mixed-use building providing offices and research and development floorspace (Class E(g)) and office, retail, café and restaurant space (Class E) and Enterprise Space (Class E/F) at ground and first floors, and associated external terraces; public realm enhancements, including new landscaping and provision of new publicly accessible steps and ramp; short and long stay cycle storage; servicing; refuse storage; plant and other ancillary and associated work.

    4 Sep 2026 Full applications
  • 2026/3282/P Granted

    5 Berkley Road London NW1 8XX

    Installation of 1no. above ground gas riser from the basement flat to the meter box at first floor (retrospective)

    31 Jul 2026 Full applications
  • 2026/0483/P Granted

    100 Avenue Road London NW3 3HF

    Discharge of details for condition 47 (surface water run off details) of planning permission 2026/0404/P granted on 19/06/2026 for " Variation of conditions (2 plan numbers); 8 (quantum of commercial space); 13 (commercial windows); 15 (Wind Microclimate); 19 (commercial windows); 24 (Air quality); 34 (development quantum); 40 (Circular Economy); 44 (designing out crime); 45 (Fire Strategy); 46 (SuDS); 48 (Community facility removed), 48 (wheelchair units), 49 (TfL health and safety) to planning permission ref. 2025/0852/P (for demolition of building and provision of a mixed-use residential-led development) to secure alterations to the external appearance; internal residential and commercial space layouts; omission of community floorspace and increased affordable housing provision; cycle and car parking; hard and soft landscaping, and other associated amendments”

    9 Feb 2026 Full applications
  • 2026/2697/P Awaiting decision

    Flat 1, 73 Eton Avenue London NW3 3EU

    Replacement of existing defective rear lean-to conservatory with a new slimline powder-coated aluminium framed conservatory with clear double glazing, on the exact same footprint as existing.

    3 Sep 2026 Full applications