601 Green Lanes, Hornsey, London, N8 0RE

1. 15 Dec 2025

   Received by Haringey

2. 8 Jan 2026

   Decision issued: Approve

3. 24 Jul 2026

   Added to PlanIndex

Haringey granted permission on 8 January 2026, 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.

• Surgery, 636A Green Lanes, Hornsey, London, N8 0SD

  HGY/2025/3466 Submitted 12 Dec 2025 100 yards away

  Application to determine if prior approval is required for the proposed change of use from a dental surgery (Commercial, Business and Service (Use Class E)) to a single dwellinghouse (Use Class C3). Application made under Schedule 2, Part 3, Class MA of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended).

  Granted Prior approval 13 docs
  Domestic

• Office D, 638 Green Lanes, Hornsey, London, N8 0SD

  HGY/2026/0081 Submitted 12 Jan 2026 100 yards away

  Change of use from office to residential

  Granted Full applications 15 docs

• Office D, 638 Green Lanes, Hornsey, London, N8 0SD

  HGY/2026/1473 Submitted 26 May 2026 100 yards away

  Approval of details pursuant to condition 4 (Details of Refuse Storage) attached to planning permission ref. HGY/2026/0081

  Granted Conditions 7 docs

• 638 Green Lanes, Hornsey, London, N8 0SD

  HGY/2025/0368 Submitted 14 Feb 2025 100 yards away

  Creation of 1 bedroom dwelling including first floor extension

  Withdrawn Full applications Extension 5 docs
  Domestic

• 48, Park Road, London, N15 3HR

  HGY/2021/1894 Submitted 7 Jun 2021 100 yards away

  Erection of single storey rear infill extension and side and rear dormers to facilitate a loft conversion

  Granted Full applications Extension Loft or dormer 33 docs
  Small domestic

• Ventilation Shaft Compound, Colina Road, London, N8 0RA

  HGY/2026/1854 Submitted 1 Jul 2026 100 yards away

  Certificate of Lawfulness (proposed) for construction of single-storey transformer building within existing operational railway compound, installation of electrical plant, associated hardstanding, sustainable drainage features, new foul sewer connection, and ancillary works including security fencing & enclosures and provision for maintenance access.

  Granted Lawful development 15 docs
  Small domestic

• 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