20 Thirlmere Road, Hornsey, London, N10 2DN

1. 21 Apr 2026

   Received by Haringey

2. 18 May 2026

   Decision issued: No Objection

3. 24 Jul 2026

   Added to PlanIndex

Haringey granted permission on 18 May 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.

• 8 Thirlmere Road, Hornsey, London, N10 2DN

  HGY/2023/0552 Submitted 23 Feb 2023 0m away

  T1: Willow (13m): Pollard to 5m from ground level to keep at a size suitable for its location, make ongoing maintenance easier and to allow more light into the garden

  Granted Trees 3 docs

• 10 Thirlmere Road, Hornsey, London, N10 2DN

  HGY/2025/2315 Submitted 27 Aug 2025 0m away

  Non-Material Amendment to approved development HGY/2014/2033 (Erection of a single storey rear infill extension) for the enlargement of the rear patio doors/glazing.

  Granted Amendments Extension Windows or glazing 7 docs
  Small domestic

• 17 Thirlmere Road, Hornsey, London, N10 2DL

  HGY/2024/2480 Submitted 9 Sep 2024 37m away

  Replacement of existing ground floor conservatory with new ground floor extension. Demolition of existing dormer and construction of L-shaped dormer on rear roof.

  Granted Householder Extension Loft or dormer +1 6 docs
  Small domestic

• 29 Thirlmere Road, Hornsey, London, N10 2DL

  HGY/2022/4481 Submitted 20 Dec 2022 37m away

  Refurbishment of ground floor including demolition of existing canopy/lean-to structures at the rear and side, new glazing arrangement at rear and the addition of a ground floor rear, side-infill extension. Remedial works to front garden walls and construction of a new bin store.

  Granted Householder Extension Demolition +1 10 docs
  Domestic

• Ground Floor Flat, 21, Grosvenor Road, London, N10 2DR

  HGY/2021/1688 Submitted 19 May 2021 79m away

  Rear and side return extension at ground floor level to integrate with existing side extension

  Granted Full applications Extension 8 docs

• 63 Grosvenor Road, Hornsey, London, N10 2DR

  HGY/2025/3601 Submitted 29 Dec 2025 79m away

  T1 - Plum tree- cut to ground level.

  Granted Trees 4 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