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.

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

  HGY/2026/2490 Submitted 7 Sep 2026 50 yards away

  T1- large Yew tree in the rear garden to reduce by 1m all over and crown lift 3m remove deadwood

  Granted Trees 4 docs

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

  HGY/2026/0587 Submitted 2 Mar 2026 50 yards 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

• 46, Collingwood Avenue, London, N10 3ED

  CON/2021/0477 Submitted 20 Sep 2021 50 yards away

  Removal of conifer from front garden

  Granted Trees 3 docs

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

  HGY/2025/2624 Submitted 29 Sep 2025 50 yards 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 50 yards 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 50 yards 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

• HGY/2026/1799 Awaiting decision

  14 Kingsley Place, Hornsey, London, N6 5EA

  The installation of 20 x 460W solar panels on the flat roof of 14 Kingsley Place, together with the routing of external heat-pump pipework over the flat roof.

  Received 8 Oct, published by the council 11 Oct 2026 Householder
• HGY/2026/1048 Granted

  18 Muswell Avenue, Hornsey, London, N10 2EG

  Erection of a single storey lower ground floor rear extension with roof terrace and associated landscaping works, insertion of rear ground floor door to proposed terrace, alterations and replacement of rear dormer glazing and first floor rear window, and alterations to front garage door and lower ground window.

  Received 15 May, published by the council 24 Jul 2026 Householder
• HGY/2026/2213 Awaiting decision

  2 Parkwood Mews, Hornsey, London, N6 5UR

  Convert the basement into a basement flat (retrospective application).

  Received 5 Oct, published by the council 11 Oct 2026 Householder
• HGY/2026/2541 Awaiting decision

  132 Vartry Road, Tottenham, London, N15 6HA

  Erection of a single storey rear/side extension, together with the installation of a Sukkah roof

  Received 5 Oct, published by the council 11 Oct 2026 Householder
• HGY/2026/2240 Granted

  40 Cholmeley Park, Hornsey, London, N6 5ER

  Installation of a new painted timber sash window to the existing side dormer on the north elevation of the property at second floor level.

  Received 10 Aug, published by the council 31 Aug 2026 Householder