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 75m 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 75m 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 75m 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 75m away

  Creation of 1 bedroom dwelling including first floor extension

  Withdrawn Full applications Extension 5 docs
  Domestic

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

  HGY/2026/1854 Submitted 1 Jul 2026 101m 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 13 docs
  Small domestic

• 134 Effingham Road, Hornsey, London, N8 0AD

  HGY/2025/3226 Submitted 21 Nov 2025 109m away

  Certificate of lawfulness for the proposed erection of a rear dormer.

  Granted Lawful development Loft or dormer 9 docs

• HGY/2026/2042 Granted

  Flat B, 101 Talbot Road, Hornsey, London, N6 4QX

  Certificate of Lawfulness (proposed) for replacement of existing first-floor front elevation windows with new like-for-like timber double-glazed windows.

  20 Jul 2026 Lawful development
• HGY/2026/1396 Granted

  15 Pellatt Grove, Wood Green, London, N22 5NP

  Certificate of lawfulness for the existing use of the property as a 6-bedroom House in Multiple Occupation (HMO) for up to six occupants (Class C4 use).

  18 May 2026 Lawful development
• HGY/2026/2471 Awaiting decision

  20 Bancroft Avenue, Hornsey, London, N2 0AS

  Lawful development: Proposed use. erection of a new rear-side dormer extension, together with the installation of four front rooflights and two rear rooflights.

  7 Sep 2026 Lawful development
• HGY/2026/1951 Granted

  105 Alexandra Road, Wood Green, London, N8 0LG

  Certificate of Lawfulness (existing) for continued use of property as two flats (C3)

  10 Jul 2026 Lawful development
• HGY/2026/2416 Awaiting decision

  Vincent House, 1A Vincent Road, Tottenham, London, N15 3QA

  Certificate of Lawfulness: Existing use of the property as six self-contained flats.

  4 Sep 2026 Lawful development