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Planning application

17 Hornby Close London NW3 3JL

Granted Camden 2026/1233/P Historic application

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Erection of additional (second) storey.

As published by the council, reference 2026/1233/P

Application record

Reference
2026/1233/P
Type
Historic application
Status
Final Decision
Decision
Grant Prior Approval
Received
13 Feb 2026
Validated
30 Mar 2026
Decided
13 May 2026
Ward
Primrose Hill
Decision by
Delegated
Postcode
NW3 3JL

Site history

Applications at this address on the Camden register

This site has had 2 applications since 2026: 2 approved, 0 refused.

  • 2026/0602/P Granted

    17 Hornby Close London NW3 3JL

    Single storey ground floor rear extension.

    Decided 26 Mar 2026 Lawful development

Timeline

Dates from the published record

  1. 13 Feb 2026

    Received by Camden

  2. 30 Mar 2026

    Validated

    Checked as complete and ready for consideration.

  3. 13 May 2026

    Decision issued: Grant Prior Approval

  4. 9 Aug 2026

    Added to PlanIndex

Documents

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

15 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 this grant of permission means

Camden granted permission on 13 May 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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

  • 17 Hornby Close London NW3 3JL

    2026/0602/P Submitted 13 Feb 2026 0m away

    Single storey ground floor rear extension.

    Granted Lawful development Extension 15 docs
    Small domestic
  • 18 Hornby Close London NW3 3JL

    2026/1634/P Submitted 23 Apr 2026 5m away

    Replacement of the garage door with a window in association with the use of the garage as habitable space.

    Granted Householder Windows or glazing 9 docs
    Domestic
  • 12 Hornby Close London NW3 3JL

    2023/2389/P 30m away

    Erection of additional storey to the existing dwellinghouse.

    Granted Full applications
    Domestic
  • 12 Hornby Close London NW3 3JL

    2023/2232/P 30m away

    Replacement garage door with louvre door to the front elevation.

    Granted Full applications
  • 1-161 Taplow Adelaide Road London NW3 3NU

    2020/3958/P 40m away

    Installation of 6 pole mounted antennas (2 each on 3 poles), 3 cabinets, 3 dishes and 3 RRU's (remote control radio units) fixed to poles on a tripod frame (5 on each tripod).

    Granted Full applications
  • 10 Hornby Close London NW3 3JL

    2020/1881/P 40m away

    Erection of a single storey rear garden extension, garage conversion and alteration of front garage door.

    Granted Full applications Extension
    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