34 Cromwell Avenue, Hornsey, London, N6 5HL

1. 5 Mar 2026

   Received by Haringey

2. 25 Mar 2026

   Decision issued: No Objection

3. 24 Jul 2026

   Added to PlanIndex

Haringey granted permission on 25 March 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.

Applications for works to trees cover protected trees: consent under a tree preservation order, or six weeks notice for trees in a conservation area. More in our guide to planning application types.

• 62 Cromwell Avenue, Hornsey, London, N6 5HL

  HGY/2023/0145 Submitted 17 Jan 2023 0m away

  Erection of a single storey, lean-to side infill extension to the ground floor.

  Refused Householder Extension 12 docs
  Small domestic

• 10 Cromwell Avenue, Hornsey, London, N6 5HL

  HGY/2024/3089 Submitted 11 Nov 2024 0m away

  T1 Plum, reduce height by 3m, balance sides T2 Bay, reduce height to previous points approx. 3m, reduce sides 2m T3 Holly, reduce height by 1m trim sides. All work cyclical maintenance.

  Granted Trees 3 docs

• 12 Cromwell Avenue, Hornsey, London, N6 5HL

  HGY/2024/2766 Submitted 8 Oct 2024 0m away

  Erection of single storey outbuilding in rear garden for use as home gym

  Granted Householder 8 docs
  Small domestic

• Ground Floor Flat A, 39 Cromwell Avenue, Hornsey, London, N6 5HN

  HGY/2025/3327 Submitted 1 Dec 2025 45m away

  T1 = to crown reduce 1 x Sycamore tree by approx. 2.0/mtrs & sever ivy at the base up to 1.0mtr light access general maintenance neighbouring property encroachment

  Granted Trees 5 docs

• Flat 1D Cromwell Avenue, London N6 5HN

  HGY/2026/1091 Submitted 17 Apr 2026 45m away

  Installation of 2no. roof lights on the roof of the two storey rear outrigger.

  Granted Full applications Extension Loft or dormer 11 docs

• 29 Cromwell Avenue, Hornsey, London, N6 5HN

  HGY/2026/0944 Submitted 22 Apr 2026 45m away

  Single storey ground floor rear infill extension, rear dormer and re-roofing at the rear, rooflights. Replacement of existing windows, front porch and associated internal and external alterations. (Amended Plans Received)

  Granted Householder Extension Loft or dormer +1 23 docs
  Small domestic

• HGY/2026/2580 Awaiting decision

  Peak House, 48 Curzon Road, Hornsey, London, N10 2RA

  T1: Ash. Rear Garden. Very large mature ash tree will be lifted and cut back from building. The crown will also be cleaned out (deadwood and crossing branches removed.

  15 Sep 2026 Trees
• HGY/2026/2588 Awaiting decision

  40 Dukes Avenue, Hornsey, London, N10 2PU

  T1 Maple tree in front garden - to be pollarded back to its old pruning points.

  15 Sep 2026 Trees
• HGY/2026/2582 Awaiting decision

  30 Western Road, Hornsey, London, N2 9HX

  T1 - oak tree (15m) - reduce crown to previous pruning points, approximately 2-3m reduction. T2 - horse chestnut tree (14m) - reduce crown to previous pruning points, approximately 1-2m reduction.

  15 Sep 2026 Trees
• HGY/2026/2586 Awaiting decision

  5 Grosvenor Road, Hornsey, London, N10 2DR

  T1-Laurel tree- cut to ground level. T2-Sycamore tree - reduce crown by approximately 2m, remove Ivy from tree. T3-Holm Oak tree- reduce crown by approximately 3m, lift crown to 2m from ground level. T4-Neighbours Bay tree- reduce overhanging branches back to 1m from fence, remove suckers on garden side.

  15 Sep 2026 Trees
• HGY/2026/2576 Granted

  2 Southern Road, Hornsey, London, N2 9LE

  Five Day Notice. Remove an 80 percent dead silver Birch tree that overhangs the pavement

  15 Sep 2026 Trees