Flat A, 42 Dartmouth Park Hill, London, NW5 1HN

1. 25 Sep 2026

   Received by Islington

2. 28 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 28 Sep 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 23 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Islington took a median of 53 days over the applications it decided in the last year.

The published feed does not show a live status for this application; the register on Islington's own portal holds the authoritative version.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 25 Dartmouth Park Hill London NW5 1HP

  2015/1658/P 50 yards away

  The erection of a single storey full width extension to the rear at ground floor level and a new half width extension at first floor level, following the demolition of the existing two storey extension. Installation of stove flue, new external stairs and hard and soft landscaping works to the rear, replacement of the existing gates and soft landscaping works to the front elevation.

  Granted Full applications Extension Demolition
  Small domestic

• 29 Dartmouth Park Hill London NW5 1HP

  2013/7589/T 50 yards away

  FRONT GARDEN: 1 x Cherry - Fell to ground level.

  Granted Trees

• 29 Dartmouth Park Hill London NW5 1HP

  2021/0476/T 50 yards away

  REAR GARDEN: 1 x Large King William Pear tree - Reduce crown by 2m, reducing 1.5m - 2m in height, building side by 1.5m, to bring it into overall shape.

  Granted Trees

• 29 Dartmouth Park Hill London NW5 1HP

  2020/2450/T 50 yards away

  REAR GARDEN: 1 x Pear (T3) - Fell to ground level. 1 x Pear (T5) - Fell to ground level.

  Granted Trees

• 29 Dartmouth Park Hill London NW5 1HP

  2026/0043/T Submitted 7 Jan 2026 50 yards away

  REAR GARDEN: 1 x Walnut (T1) - Remove overhanging branches on neighbour's outbuilding and reduce overall crown by approx. 1m to suitable pruning points. Hazel Group (T2) - Prune overhanging growth back to boundary. Works will be carried out in accordance with BS 3998-2010 - Tree Work Recommendations.

  Granted Trees 5 docs

• 29 Dartmouth Park Hill London NW5 1HP

  2021/5896/T 50 yards away

  REAR GARDEN: 1 x King William Pear (T3) - Fell to near ground level. 1 x Pear (T5) - Formative prune reducing by approx. 0.5m.

  Granted Trees

• P2026/2548/COL Status unknown

  Flat 5, St Peter's Street Mews, London, N1 8JF

  Certificate of Lawful (Existing) Use for the use of the ground floor property kn

  Received 28 Sep, published by the council 29 Sep 2026 Lawful development
• P2026/2522/COL Status unknown

  Flat 6, 1-2 St Peter's Street Mews, London, N1 8JF

  Certificate of Lawful (Existing) Use for the use of Flat 6 as a self-contained r

  Received 28 Sep, published by the council 29 Sep 2026 Lawful development
• P2026/2266/COL Granted

  32 Gillespie Road, London, N5 1LN

  Erection of rear dormer roof extensions to main and outrigger roofs, installatio

  Received 27 Aug, published by the council 2 Sep 2026 Lawful development
• P2026/2525/COL Status unknown

  10A Rock Street, London, N4 2DN

  Certificate of Lawfulness (Proposed) for use of the site as a 5-person small-sca

  Received 24 Sep, published by the council 25 Sep 2026 Lawful development
• P2026/0047/COL Granted

  Flat B, 714 Holloway Road, London N19 3NH

  Certificate of Lawfulness (Existing) for the existing use of Flat B at second and third floor as a House in Multiple Occupation (Use Class C4)

  Received 8 Jan, published by the council 25 Jul 2026 Lawful development