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Planning application

37 Dartmouth Park Avenue London NW5 1JL

Granted Camden 2025/5526/P Householder Application

Works: Extension Loft or dormer Domestic

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

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

Proposal

Excavation of basement including extension of front lightwells, erection of lower and upper ground floor rear extensions, erection of rear dormer, replacement of door on side elevation at lower ground floor.

As published by the council, reference 2025/5526/P

Application record

Reference
2025/5526/P
Type
Householder Application
Status
Final Decision
Decision
Granted As published: Granted Subject to a Section 106 Legal Agreement
Received
15 Dec 2025
Validated
17 Dec 2025
Decided
14 Sep 2026
Ward
Highgate
Decision by
Delegated
Postcode
NW5 1JL

Site history

Applications at this address on the Camden register

This site has had 10 applications since 2013: 10 approved, 0 refused.

  • 2026/1417/P Granted

    37 Dartmouth Park Avenue London NW5 1JL

    Removal of rear chimney breast and stack, removal of external staircase to rear, and installation of new windows on rear elevation.

    Decided 5 May 2026 Lawful development
  • 2026/0819/P Granted

    37 Dartmouth Park Avenue London NW5 1JL

    Erection of replacement side boundary fences.

    Decided 21 Apr 2026 Lawful development
  • 2025/4841/P Granted

    37 Dartmouth Park Avenue London NW5 1JL

    Amalgamation of the two existing flats into a single residential unit.

    Decided 4 Nov 2025 Lawful development
  • 2023/5483/T Granted

    37 Dartmouth Park Avenue London NW5 1JL

    REAR GARDEN: Group of Cypress trees (G1) - Reduce height back to previous pruning points, approx. 2m reduction. Prune back front face of hedge over garden by 1m. Prune in right hand end an additional 1-2 feet from thinnest section at lowest point.

    Decided 24 Jan 2024 Trees
  • 2022/1373/T Granted

    37 Dartmouth Park Avenue London NW5 1JL

    REAR GARDEN: 1 x Cypress hedge (T1) - Reduce height to previous pruning points, approx. 1m, trim front face with hedge cutters and reduce right end away from birch tree by up to 1.5m. 1 x Elder (T3) - Trim left side away from birch tree by 1.5m. 1 x Yew (T4) - Trim right side away from birch tree by 1m. +++AMENDED DESCRIPTION+++

    Decided 17 May 2022 Trees
  • 2022/0399/T Granted

    37 Dartmouth Park Avenue London NW5 1JL

    REAR GARDEN: 1 x Mulberry (T1) - Clean to remove all diseased and broken branches 2cm in diameter and larger throughout crown to improve health and appearance and reduce risk of branch failure. Thin crown to remove approx. 15% of live branches to reduce crown density. Most thinning cuts will be between 1cm and 3cm in diameter.

    Decided 11 Mar 2022 Trees
  • 2017/0424/T Granted

    37 Dartmouth Park Avenue London NW5 1JL

    REAR GARDEN: Cypress trees (T1) - reduce height by 1m 1 x Mulberry (T2) - high pollard by approx 2m reduction 1 x Yew (T3) - up to 2m crown reduction maximum

    Decided 5 Apr 2017 Trees
  • 2015/6127/T Granted

    37 Dartmouth Park Avenue London NW5 1JL

    DD - REAR GARDEN: 1 x Apple - Remove 1 x Mulberry - Reduction up to 2m to prevent further movement and falling over.

    Decided 23 Dec 2015 Trees
  • 2013/3781/T Granted

    37 Dartmouth Park Avenue London NW5 1JL

    REAR GARDEN: 1 x Yew - Reduce crown by 20%. 1 x Plum - Reduce crown by 20%.

    Decided 24 Jun 2013 Trees

Timeline

Dates from the published record

  1. 15 Dec 2025

    Received by Camden

  2. 17 Dec 2025

    Validated

    Checked as complete and ready for consideration.

  3. 24 Jul 2026

    Added to PlanIndex

  4. 14 Sep 2026

    Decision issued: Granted Subject to a Section 106 Legal Agreement

Documents

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

20 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 14 September 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 householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 37 Dartmouth Park Avenue London NW5 1JL

    2015/6127/T 50 yards away

    DD - REAR GARDEN: 1 x Apple - Remove 1 x Mulberry - Reduction up to 2m to prevent further movement and falling over.

    Granted Trees

  • 37 Dartmouth Park Avenue London NW5 1JL

    2026/0819/P Submitted 3 Mar 2026 50 yards away

    Erection of replacement side boundary fences.

    Granted Lawful development 2 docs

  • 37 Dartmouth Park Avenue London NW5 1JL

    2017/0424/T 50 yards away

    REAR GARDEN: Cypress trees (T1) - reduce height by 1m 1 x Mulberry (T2) - high pollard by approx 2m reduction 1 x Yew (T3) - up to 2m crown reduction maximum

    Granted Trees

  • 37 Dartmouth Park Avenue London NW5 1JL

    2025/4841/P Submitted 28 Oct 2025 50 yards away

    Amalgamation of the two existing flats into a single residential unit.

    Granted Lawful development New dwelling 9 docs

  • 37 Dartmouth Park Avenue London NW5 1JL

    2013/3781/T 50 yards away

    REAR GARDEN: 1 x Yew - Reduce crown by 20%. 1 x Plum - Reduce crown by 20%.

    Granted Trees

  • 37 Dartmouth Park Avenue London NW5 1JL

    2023/5483/T Submitted 29 Dec 2023 50 yards away

    REAR GARDEN: Group of Cypress trees (G1) - Reduce height back to previous pruning points, approx. 2m reduction. Prune back front face of hedge over garden by 1m. Prune in right hand end an additional 1-2 feet from thinnest section at lowest point.

    Granted Trees 4 docs

In Camden

  • 2026/4031/P Awaiting decision

    10 Albert Street London NW1 7NZ

    Erection of an extension to widen rear dormer window at second floor.

    Received 2 Oct, published by the council 6 Oct 2026 Householder
  • 2026/3231/P Granted

    9 Wadham Gardens London NW3 3DN

    Replacement rear timber casement window, installation of timber-panelled side access door, replacement of existing front boundary gates and piers, installation of metal railings, provision of reclaimed Yorkstone paving to the front garden and associated works.

    Received 30 Jul, published by the council 9 Aug 2026 Householder
  • 2026/4030/P Awaiting decision

    6 Leverton Street London NW5 2PJ

    Replace garden wall with metal railing; replace 3 rear windows, 3 rear elevation side windows, 1 rear door and 1 rear elevation side door with double-glazed crittal windows and doors; remove 2 rear windows; render rear elevation brickwork; and associated works.

    Received 1 Oct, published by the council 9 Oct 2026 Householder
  • 2026/3493/P Granted

    2 Wildwood Terrace London NW3 7HT

    Enlargement of the existing rear French doors and single-leaf door at lower ground floor level, together with the replacement of five rear timber sash windows.

    Received 14 Aug, published by the council 22 Aug 2026 Householder
  • 2026/2003/P Granted

    23 Glenmore Road London NW3 4BY

    Installation of external AC unit with acoustic enclosure to rear garden.

    Received 29 May, published by the council 24 Jul 2026 Householder