Unit 1, 2-4 Upper Tollington Park, Hornsey, London, N4 3EL

1. 27 May 2026

   Received by Haringey

2. 30 Jun 2026

   Decision issued: Refuse

3. 24 Jul 2026

   Added to PlanIndex

Haringey refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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.

• 22 Upper Tollington Park, Hornsey, London, N4 3EL

  HGY/2022/4492 Submitted 20 Dec 2022 50 yards away

  Side and rear ground floor extension, 1st & 2nd floor rear infill extension and formation of butterfly pitched roof and loft conversion with roof terraces located at 1st floor and loft floor levels. Internal alterations to accommodate the amalgamation of six studio flats into the following: one 3-bedroom flat on the ground floor, one 2-bedroom flat on the 1st floor and one 3-bedroom maisonette flat on the 2nds and loft floors.

  Refused Full applications New dwelling Extension +1 6 docs

• 27 Upper Tollington Park, Hornsey, London, N4 3EJ

  HGY/2026/0052 Submitted 27 Jan 2026 50 yards away

  Replacement of the existing timber windows with modern double glazed timber units.

  Granted Full applications Windows or glazing 10 docs

• 31 Upper Tollington Park, Hornsey, London, N4 3EJ

  HGY/2026/0086 Submitted 23 Jan 2026 50 yards away

  Replacement of existing timber windows with modern double glazed timber units.

  Granted Full applications Windows or glazing 10 docs

• 13 Upper Tollington Park, Hornsey, London, N4 3EJ

  HGY/2026/2652 Submitted 22 Sep 2026 50 yards away

  99% historically approved · decision due ~17 Nov

  Rear Garden: General maintenance: T1: Mountain Ash: Approximately 4.00m: Fell to ground level and treat with systemic herbicide. Small garden with limited growth space. Concentrating on Fruit trees. T2: Mimosa: Approximately 6.50m: Fell to ground level and treat with systemic herbicide: Small garden with limited growth space. Concentrating on Fruit trees.T3: Cherry: Approximately 6.00m: Reduce crown by approximately 1.50m all round. Thin crown density by approximately 20%. T4: Fig: Approximately 6.00m: Reduce back to previous and most recent pollard points. T5: Large Apple: Right hand boundary: End tree of 4: Reduce crown by approximately 1.25m. Thin crown density by 20%. G1: Group smaller trees (unidentified): Approximately 1.5m: Trim to tidy. T6: Olive: In raised planter: Thin crown density by 20%. Front Garden: T7: Loquat Tree: Approximately 4.50m: Reduce crown by 1.20m.

  Awaiting decision Trees 2 docs

• 25 Upper Tollington Park, Hornsey, London, N4 3EJ

  HGY/2025/2670 Submitted 2 Oct 2025 50 yards away

  G1 - Mimosa. Reduce 3m in height to approx 1-2m above historic pruning point, with a view to maintain at this newer reduction point in future. Shape sides to match. Remove heavily suppressed and dwarfed mimosa underneath.

  Granted Trees 3 docs

• 12, Osborne Road, London, N4 3SF

  CON/2021/0498 Submitted 4 Oct 2021 100 yards away

  Horse Chestnut tree - Reduce height by 2 meters and crown lifting Weeping Tree - Reduce height by 2 meters and crown Lifting

  Granted Trees 3 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