Annexe 15a, Cholmeley Park, Hornsey, London, N6 5ET

This site has had 2 applications since 2025: 2 approved, 0 refused.

• HGY/2025/3442 Granted

  Annexe 15a, Cholmeley Park, Hornsey, London, N6 5ET

  T1 Monterrey Cypress - reduce from 10m to 7m remove dead

  Decided 31 Dec 2025 Trees

1. 19 Jan 2026

   Received by Haringey

2. 4 Feb 2026

   Decision issued: No Objection

3. 24 Jul 2026

   Added to PlanIndex

Haringey granted permission on 4 February 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.

• 15a, Cholmeley Park, Hornsey, London, N6 5ET

  HGY/2025/3338 Submitted 12 Dec 2025 50 yards away

  Variation of condition 2 (approved plans) of planning permission HGY/2023/2705 for Demolition of existing rear extension, erection of single-storey rear extension, enlargement of existing side extension, replacement of rear dormer roof extension to main roof, replacement of windows in front elevation to match existing in appearance, replacement of front door, changes to fenestration in side and rear elevations. Proposed changes to the fenestration on the side/rear elevations, and alterations to design and height of the side extension. Alterations to rear elevation treatment of rear dormer, increase in height of rear dormer by 0.2 metres.

  Granted Amendments Extension Loft or dormer +3 6 docs
  Small domestic

• 15A Cholmeley Park, Hornsey, London, N6 5ET

  HGY/2025/2347 Submitted 1 Sep 2025 50 yards away

  T1 Lombardy poplar - re-pollard to previous reduction points T2 Beech - reduce from 14m to 11m and shape accordingly T3 Beech - reduce from 12m to 9m and reshape

  Granted Trees 3 docs

• Annexe 15a, Cholmeley Park, Hornsey, London, N6 5ET

  HGY/2025/3442 Submitted 10 Dec 2025 50 yards away

  T1 Monterrey Cypress - reduce from 10m to 7m remove dead

  Granted Trees 3 docs

• 15A Cholmeley Park, Hornsey, London, N6 5ET

  HGY/2026/0469 Submitted 20 Feb 2026 50 yards away

  Certificate of lawfulness for proposed use or development, to carry out internal works to the property to remove unauthorised annexe flat, to revert the use solely to as a one single family dwellinghouse (C3).

  Granted Lawful development 8 docs
  Domestic

• 7, Cholmeley Park, London, N6 5ET

  HGY/2021/2164 Submitted 26 Jul 2021 50 yards away

  Erection of single storey rear extension (following demolition of conservatory) with associated raised terrace and boundary treatment; erection of front bin store and bike stand in association with re-landscaping; erection of rear store; and replacement and repositioning of side window

  Granted Full applications Extension Demolition +1 7 docs
  Small domestic

• 14 Cholmeley Park, Hornsey, London, N6 5EU

  HGY/2023/1003 Submitted 11 Apr 2023 50 yards away

  G1 – x2 Plum Trees – Re-reduce back to previous reduction points by approx 2m and shape. This is to maintain the trees at their previously reduced size.

  Granted Trees 3 docs

• 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.

  Received 15 Sep, published by the council 17 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.

  Received 15 Sep, published by the council 17 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.

  Received 15 Sep, published by the council 17 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.

  Received 15 Sep, published by the council 17 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

  Received 15 Sep, published by the council 17 Sep 2026 Trees