26 Collingwood Avenue, Hornsey, London, N10 3ED

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

• HGY/2026/0587 Granted

  26 Collingwood Avenue, Hornsey, London, N10 3ED

  Non-Material Amendment application following a grant of planning permission HGY/2025/2421 in relation to the alteration to the line of the wall of the front part of the extension adjacent to the boundary with No.24; removal of the external door to the front part of the extension; a change to the shape of the roof of the extension from a shallow curve to a shallow pitch shape; the addition of 1x small rooflight over the utility room; changes to the dormer fenestration to windows omitting the Juliet balcony.

  Decided 30 Mar 2026 Amendments

1. 8 Sep 2025

   Received by Haringey

2. 25 Nov 2025

   Decision issued: Approve with Conditions

3. 10 Aug 2026

   Added to PlanIndex

1 later application on the register refers to this one:

• HGY/2026/0587 Granted

  26 Collingwood Avenue, Hornsey, London, N10 3ED

  Non-Material Amendment application following a grant of planning permission HGY/2025/2421 in relation to the alteration to the line of the wall of the front part of the extension adjacent to the boundary with No.24; removal of the external door to the front part of the extension; a change to the shape of the roof of the extension from a shallow curve to a shallow pitch shape; the addition of 1x small rooflight over the utility room; changes to the dormer fenestration to windows omitting the Juliet balcony.

  Decided 30 Mar 2026 Amendments

Haringey granted permission on 25 November 2025, 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 26 Collingwood Avenue, Hornsey, London, N10 3ED

  HGY/2026/0587 Submitted 2 Mar 2026 0m away

  Non-Material Amendment application following a grant of planning permission HGY/2025/2421 in relation to the alteration to the line of the wall of the front part of the extension adjacent to the boundary with No.24; removal of the external door to the front part of the extension; a change to the shape of the roof of the extension from a shallow curve to a shallow pitch shape; the addition of 1x small rooflight over the utility room; changes to the dormer fenestration to windows omitting the Juliet balcony.

  Granted Amendments Extension Loft or dormer +1 16 docs

• 44 Collingwood Avenue, Hornsey, London, N10 3ED

  HGY/2025/2624 Submitted 29 Sep 2025 0m away

  Erection of a ground floor rear side infill

  Granted Householder Extension 10 docs
  Domestic

• 22 Collingwood Avenue, Hornsey, London, N10 3ED

  HGY/2026/1442 Submitted 21 May 2026 0m away

  T1 -Pear tree in garden of number 24 - crown reduction of approximately 3m on all aspects of tree. Removal of climbing plant and Ivy from tree, prune back branches overhanging garden of number 22 back to boundary. T2-Apple tree in garden of number 24- crown reduction of approximately 3m. T3-Neighbours Yew tree- prune back close to boundary whilst maintain green foliage. T4- Bay tree - prune back small diameter overhanging branches by up to approximately 40cm.

  Granted Trees 7 docs

• 38, Collingwood Avenue, London, N10 3ED

  HGY/2023/0647 Submitted 6 Mar 2023 0m away

  T1 Sycamore (identified with * on the plan) - located NE corner of garden at 38 Collingwood Avenue: trim back re-growths to previous cut points on the upper branches only (i.e. re-growths above the red line in the enclosed photo). Works to be carried out before the tree commences growth this spring. Reason: shading of garden at 35 Leaside Avenue in the afternoons.

  Granted Trees 4 docs

• 19 Leaside Avenue, Hornsey, London, N10 3BT

  HGY/2026/0239 Submitted 27 Jan 2026 36m away

  T3 Laburnum with Dogwood understorey of the submitted MWA Arboricultural Report Works: Remove (fell) both to near ground level and treat stumps to inhibit regrowth. Reason: Clay shrinkage subsidence damage at the subject property.

  Granted Trees 3 docs

• 21 Leaside Avenue, Hornsey, London, N10 3BT

  HGY/2025/2826 Submitted 15 Oct 2025 36m away

  T1- Portuguese Laurel- reduce crown by up to 1.5m to match variegated shrub next to it. T2- Acer- lightly lift low branches by up to 1m. T3- Elder- hard prune by up to 2m. T4- Silver Birch tree- crown reduction back to most recent pruning points, approximately 2.5m reduction.

  Granted Trees 7 docs

• HGY/2026/2086 Awaiting decision

  3 Rookfield Avenue, Hornsey, London, N10 3TS

  Installation of photovoltaic (PV) panels on the rear pitched roof.

  4 Sep 2026 Householder
• HGY/2026/0629 Granted

  189 West Green Road, Tottenham, London, N15 5EA

  Construction of Vehicle Crossing including dropped kerb.

  9 Mar 2026 Householder
• HGY/2025/1677 Awaiting decision

  6 Cascade Avenue, Hornsey, London, N10 3PU

  Installation of replacement rear steps connecting the kitchen to the garden

  2 Sep 2026 Householder
• HGY/2026/2219 Awaiting decision

  42 Allison Road, Hornsey, London, N8 0AT

  Single-storey side-return infill extension and installation of AC condenser units.

  1 Sep 2026 Householder
• HGY/2026/2124 Awaiting decision

  68 Downhills Way, Tottenham, London, N17 6BB

  LOFT CONVERSION WITH REAR DORMER AND THREE ROOF LIGHTS ON FRONT ROOF SLOPE

  1 Sep 2026 Householder