45, Colney Hatch Lane, London, N10 1LJ

1. 3 Aug 2021

   Received by Haringey

2. 28 Sep 2021

   Decision issued: Approve with Conditions

3. 4 Oct 2026

   Added to PlanIndex

Haringey granted permission on 28 September 2021, 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.

• 128, Colney Hatch Lane, London, N10 1ER

  HGY/2021/1978 Submitted 23 Jun 2021 50 yards away

  Single storey rear extension.

  Granted Full applications Extension 15 docs
  Small domestic

• 108-110, Colney Hatch Lane, London, N10 1EA

  HGY/2022/2697 Submitted 10 Oct 2022 100 yards away

  Change of use to 2no.dwellings (Use Class C3), extension to create lower ground floor level (basement) and lightwells, rear and side roof and dormer extensions and alterations, single storey rear extension, replacement of single storey front extensions, new canopy entrances on side elevation, new/altered/replacement windows and doors, new rooflights, alterations to cladding and rear terraces, other external alterations, landscaping works and provision of cycle stores.

  Granted Full applications Extension Loft or dormer +1 18 docs
  Several homes

• 34 Seymour Court, Colney Hatch Lane, Hornsey, London, N10 1ED

  HGY/2026/1004 Submitted 8 Apr 2026 100 yards away

  Works to tree protected by a TPO. T1 - Holm Oak - Quercus Ilex - Crown reduction by 2m in height and 2m in lateral growth back to preivous pruing points, leaving buds to encourage regrowth. Leaving the tree a standing height of 8m.

  Granted Trees 5 docs

• 34 Barnard Hill, Hornsey, London, N10 2HB

  HGY/2026/0717 Submitted 13 Mar 2026 150 yards away

  Formation of rear dormer and outrigger roof extensions, installation of three rooflights to the front roof slope and replacement of all existing windows

  Granted Householder Extension Loft or dormer +1 18 docs
  Domestic

• Flat B, 19 Barnard Hill, Hornsey, London, N10 2HB

  HGY/2026/2369 Submitted 27 Aug 2026 150 yards away

  83% historically approved · decision due ~22 Oct

  Erection of Outbuilding in Rear Garden of Property

  Awaiting decision Full applications 8 docs

• 36 Barnard Hill, Hornsey, London, N10 2HB

  HGY/2024/3065 Submitted 7 Nov 2024 150 yards away

  T1, T2, T3, T6, T9, T10, T11, T12, T18 and T20 See survey attached for details

  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