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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.

Watch members (£5 a month) open the document list 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 0.3 miles

  • 41 Hollycroft Avenue London NW3 7QJ

    2023/3920/T 50 yards 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 50 yards away

    92% 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 Basement And Ground Floor 41 Hollycroft Avenue London NW3 7QJ

    2026/1721/P Submitted 29 Apr 2026 50 yards 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
  • Flat A 41 Hollycroft Avenue London NW3 7QJ

    2018/3678/P Submitted 3 Aug 2018 50 yards 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 7 docs
  • 41 Hollycroft Avenue London NW3 7QJ

    2018/4565/T Submitted 24 Sep 2018 50 yards away

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

    Granted Trees 3 docs
  • Flat A 41 Hollycroft Avenue London NW3 7QJ

    2019/1156/P Submitted 28 Feb 2019 50 yards away

    Replacement of 3 rooflights within side and rear roofslopes.

    Granted Full applications Loft or dormer 8 docs

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