5 Firs Avenue, Hornsey, London, N10 3LY

This site has had 3 applications since 2026: 2 approved, 1 refused.

• HGY/2026/1839 Refused

  5 Firs Avenue, Hornsey, London, N10 3LY

  Minor Material Amendment application under Section 73 of the Town and Country Planning Act for variation to condition 2 attached to planning permission HGY/2026/0923 to enable the construction of a front lightwell and front glazing to lower ground floor.

  Decided 21 Aug 2026 Amendments
• HGY/2026/0923 Granted

  5 Firs Avenue, Hornsey, London, N10 3LY

  Erection of lower ground floor single storey rear extension; basement extension; rear dormer extension; associated internal and external changes.

  Decided 22 Jun 2026 Householder

1. 7 Jul 2026

   Received by Haringey

2. 13 Jul 2026

   Decision issued: Approve

3. 24 Jul 2026

   Added to PlanIndex

• HGY/2026/0923 Granted

  5 Firs Avenue, Hornsey, London, N10 3LY

  Erection of lower ground floor single storey rear extension; basement extension; rear dormer extension; associated internal and external changes.

  Decided 22 Jun 2026 Householder

Haringey granted permission on 13 July 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.

This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.

• 17 Firs Avenue, Hornsey, London, N10 3LY

  HGY/2026/0765 Submitted 18 Mar 2026 50 yards away

  SG1 Privet, Holly, Laurel, Dog rose, Choisya (height: 1.9m, distance to damage: 3m) Remove close to ground level and treat stumps with herbicide to inhibit regrowth.

  Granted Trees 11 docs

• 6 Firs Avenue, Hornsey, London, N10 3LY

  HGY/2026/0114 Submitted 15 Jan 2026 50 yards away

  T1 - eucalyptus tree (9m) - reduce height by approximately 2m and remove two lowest branches. T2 - four pleached hornbeam trees (5m) - reduce branches overhanging garden by approximately 1m. Front garden- T3 - birch tree (12m) - reduce height by approximately 3m and reduce branches away from house by approximately 2m.

  Granted Trees 6 docs

• 27, Firs Avenue, London, N10 3LY

  CON/2021/0518 Submitted 11 Oct 2021 50 yards away

  We are proposing to have the large lime tree at the bottom of our garden pruned professionally, as part of the cycle of regular pruning. The proposed work is a 30% crown reduction and thinning back to previous reduction points.

  Granted Trees 5 docs

• 27 Firs Avenue, Hornsey, London, N10 3LY

  HGY/2025/2393 Submitted 4 Sep 2025 50 yards away

  Proposal: We are proposing to have the large lime tree at the bottom of our garden pruned professionally, as part of the cycle of regular pruning. The proposed work is a 30% crown reduction and thinning back to previous reduction points. I would estimate that the tree is about 15 metres high, so we are requesting a reduction of some 4-5 metres. The tree was last pruned in 2021 under your reference CON/2021/0518: it is in a Conservation Area, but not subject to a Tree Preservation Order.

  Granted Trees 4 docs

• 20, Firs Avenue, London, N10 3LY

  CON/2021/0342 Submitted 19 Jul 2021 50 yards away

  Elder (T2) - Fell

  Granted Trees 4 docs

• 20, Firs Avenue, London, N10 3LY

  CON/2021/0343 Submitted 19 Jul 2021 50 yards away

  Sycamore (T1) - Prune overhang to 20 Firs Avenue to boundary, crown lift to 6m and crown reduce remainder to previous pruning points (30% or 1-3m).

  Granted Trees 4 docs

• HGY/2026/1915 Granted

  12 Canning Crescent, Wood Green, London, N22 5SR

  Approval of details reserved by a condition 10 (Landscape), condition 12 (Method of Construction Statement), condition 13 (investigative work - contaminants), condition 15 (NRMM), condition 16 (Air Quality and Dust Management Plan), and condition 17 (Considerate Constructors Scheme) attached to planning application Ref: HGY/2024/3115

  Received 7 Jul, published by the council 24 Jul 2026 Conditions
• HGY/2026/2763 Awaiting decision

  11 Sheldon Avenue, Hornsey, London, N6 4JS

  Approval of details pursuant to conditions 4 (Refuse and Cycle Storage), 5 (Cycle Parking), 6 (Hard and Soft Landscaping), 12 (ASHP), 13 (Water Butt) and 16 (Self-build Dwelling) attached to planning permission ref: HGY/2024/2154.

  Received 6 Oct, published by the council 11 Oct 2026 Conditions
• HGY/2025/3223 Granted

  98 High Street, Hornsey, London, N8 7NT

  Approval of Details pursuant to condition 3 (materials) ref: HGY/2024/2879

  Received 21 Nov, published by the council 25 Jul 2026 Conditions
• HGY/2026/2587 Granted

  Tottenham Substation, Watermead Way, London, N17 0SG

  Approval of Schedule 2 Requirement 11 (1 and 2) (Contaminated Land and Groundwater) relating to Stage 4a (as approved under HGY/2026/0364) of The National Grid (North London Reinforcement Project) Order 2014 attached to development consent order HGY/2014/3601

  Received 16 Sep, published by the council 23 Sep 2026 Conditions
• HGY/2025/1866 Granted

  1-6 Crescent Mews, Hornsey, London, N22 7GG

  Approval of details pursuant to condition 24 (Overheating Report) attached to planning permission HGY/2019/1183

  Received 20 Feb, published by the council 25 Jul 2026 Conditions