89 Dukes Avenue, Hornsey, London, N10 2QD

1. 25 Sep 2025

   Received by Haringey

2. 10 Nov 2025

   Decision issued: Approve

3. 10 Aug 2026

   Added to PlanIndex

Haringey granted permission on 10 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 109 Dukes Avenue, Hornsey, London, N10 2QD

  HGY/2026/1189 Submitted 28 Apr 2026 50 yards away

  Ground side infill extension, internal alterations and all associated works

  Granted Householder Extension 12 docs
  Domestic

• 81 Dukes Avenue, Hornsey, London, N10 2QD

  HGY/2026/1938 Submitted 9 Jul 2026 50 yards away

  Ash (T1): Reduce to previous, most recent pruning points (approx. 1-2m).

  Granted Trees 3 docs

• 112, Dukes Avenue, London, N10 2QB

  CON/2021/0255 Submitted 28 Jun 2021 50 yards away

  Fig (T1) - Remove The tree works are proposed to stop the influence of the tree(s) on the soil below building foundation level and provide long term stability.

  Granted Trees 10 docs

• Flat B and Flat C, 118 Dukes Avenue, Hornsey, London, N10 2QB

  HGY/2024/3104 Submitted 12 Nov 2024 50 yards away

  Proposed amalgamation of two separate self-contained flats into one larger self-contained flat occupying the first and second floors of the property.

  Granted Full applications New dwelling 11 docs

• 164 Dukes Avenue, Hornsey, London, N10 2QB

  HGY/2026/0969 Submitted 2 Apr 2026 50 yards away

  Installation of two air heat pumps in the rear garden

  Granted Full applications 14 docs

• 154, Dukes Avenue, London, N10 2QB

  CON/2021/0363 Submitted 26 Jul 2021 50 yards away

  T1 - Ash tree (multi stemmed) - (20m) Reduce crown by approximately one third (reduction of approximately 4m), thin crown. T2- Sycamore tree-(14m)- Reduce crown by approximately one third (reduction of approximately 4m), thin crown. T3- Sycamore tree 18m - Crown reduction of approximately 4 metres.

  Granted Trees 4 docs

• HGY/2026/2285 Granted

  13 Woollaston Road, Hornsey, London, N4 1SD

  Certificate of Lawfulness (proposed) for loft conversion with rear dormer extension.

  Received 14 Aug, published by the council 22 Aug 2026 Lawful development
• HGY/2026/2357 Granted

  40 Falmer Road, Tottenham, London, N15 5BA

  Lawful development Certification for proposed erection of rear roof extension and insertion of front rooflight

  Received 21 Aug, published by the council 4 Oct 2026 Lawful development
• HGY/2026/2692 Granted

  125 High Cross Road, Tottenham, London, N17 9NR

  Lawful development: Proposed use for change of use within Class E to a Nail shop (Class E(c)(iii))

  Received 29 Sep, published by the council 4 Oct 2026 Lawful development
• HGY/2026/2637 Granted

  30 Gloucester Road, Tottenham, London, N17 6DH

  Lawful development: Proposed use. Loft conversion including 2x roof lights and L-shaped box dormer to the rear roof slopes with materials to match existing materials on main roof

  Received 21 Sep, published by the council 4 Oct 2026 Lawful development
• HGY/2026/2420 Granted

  50 St Loys Road, Tottenham, London, N17 6UD

  Certificate of Lawfulness: Proposed erection of an L-shaped rear dormer including the insertion of 2nos. front rooflights.

  Received 28 Aug, published by the council 7 Sep 2026 Lawful development