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Planning application

Flat Basement And Ground Floor 41 Hollycroft Avenue London NW3 7QJ

Granted Camden 2026/0890/P Approval of Details

Works: Extension Small domestic

Read from the description, not a valuation. How we read the register

Relates to 2025/0544/P

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

Proposal

Details required by condition 6 (basement engineer) of planning permission ref: 2025/0544/P dated 16/02/2026 for erection of a single-storey rear extension and partial excavation to lower ground floor level and external alterations.

As published by the council, reference 2026/0890/P

Application record

Reference
2026/0890/P
Type
Approval of Details
Status
Final Decision
Decision
Granted
Received
6 Mar 2026
Validated
9 Mar 2026
Decided
29 Apr 2026
Ward
Frognal
Decision by
Delegated
Postcode
NW3 7QJ

Site history

Applications at this address on the Camden register

This site has had 3 applications since 2026: 2 approved, 0 refused.

  • 2026/1721/P Granted

    Flat Basement And Ground Floor 41 Hollycroft Avenue London NW3 7QJ

    Details required by condition 4 (window, doors, gates) of planning permission ref: 2025/0544/P dated 16/02/2026 for erection of a single-storey rear extension and partial excavation to lower ground floor level and external alterations.

    Decided 15 Jul 2026 Full applications
  • 2025/0544/P Awaiting decision

    Flat Basement And Ground Floor 41 Hollycroft Avenue London NW3 7QJ

    Erection of a single-storey rear extension following demolition of the existing; partial excavation to existing lower ground floor level; installation of parapet and planters for use of roof to extension as a terrace with new external steps and access from new rear upper ground floor level doors; removal of external steps and new entrance to side elevation; alterations and new windows to rear, side and front elevations, including new bay window at lower ground floor following the removal of existing garage door to front elevation; and installation of new planter to driveway.

    Full applications

Timeline

Dates from the published record

  1. 6 Mar 2026

    Received by Camden

  2. 9 Mar 2026

    Validated

    Checked as complete and ready for consideration.

  3. 29 Apr 2026

    Decision issued: Granted

  4. 9 Aug 2026

    Added to PlanIndex

Cases linked to this one on the register

  • 2025/0544/P Awaiting decision

    Flat Basement And Ground Floor 41 Hollycroft Avenue London NW3 7QJ

    Erection of a single-storey rear extension following demolition of the existing; partial excavation to existing lower ground floor level; installation of parapet and planters for use of roof to extension as a terrace with new external steps and access from new rear upper ground floor level doors; removal of external steps and new entrance to side elevation; alterations and new windows to rear, side and front elevations, including new bay window at lower ground floor following the removal of existing garage door to front elevation; and installation of new planter to driveway.

    Full applications

Documents

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

4 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 29 April 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

  • Flat A 41 Hollycroft Avenue London NW3 7QJ

    2018/3678/P 0m away

    Erection of dormer roof extension including replacement of 2 roof lights to rear roof slope and addition of 2 roof lights to front roof slope all at fourth floor level

    Granted Full applications Extension Loft or dormer
  • 41 Hollycroft Avenue London NW3 7QJ

    2018/4565/T 0m away

    REAR GARDEN: 1 x Bay (T2) - Crown reduction of 2m on all aspects of tree.

    Granted Trees
  • 41 Hollycroft Avenue London NW3 7QJ

    2023/3920/T 0m away

    REAR GARDEN: 1 x Lime (T1) - Prune back low overhanging branches by 2m with poles from ground level.

    Granted Trees
  • Flat Basement And Ground Floor 41 Hollycroft Avenue London NW3 7QJ

    2025/0544/P 0m away

    91% historically approved

    Erection of a single-storey rear extension following demolition of the existing; partial excavation to existing lower ground floor level; installation of parapet and planters for use of roof to extension as a terrace with new external steps and access from new rear upper ground floor level doors; removal of external steps and new entrance to side elevation; alterations and new windows to rear, side and front elevations, including new bay window at lower ground floor following the removal of existing garage door to front elevation; and installation of new planter to driveway.

    Awaiting decision Full applications Extension Demolition +1
    Small domestic
  • Flat A 41 Hollycroft Avenue London NW3 7QJ

    2019/1156/P 0m away

    Replacement of 3 rooflights within side and rear roofslopes.

    Granted Full applications Loft or dormer
  • Flat Basement And Ground Floor 41 Hollycroft Avenue London NW3 7QJ

    2026/1721/P Submitted 29 Apr 2026 0m away

    Details required by condition 4 (window, doors, gates) of planning permission ref: 2025/0544/P dated 16/02/2026 for erection of a single-storey rear extension and partial excavation to lower ground floor level and external alterations.

    Granted Full applications Extension Windows or glazing 6 docs
    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