40 Effingham Road, Hornsey, London, N8 0AB

1. 14 Mar 2026

   Received by Haringey

2. 19 Mar 2026

   Decision issued: Approve

3. 24 Jul 2026

   Added to PlanIndex

Haringey granted permission on 19 March 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.

• Ground Floor Flat, 36, Effingham Road, London, N8 0AB

  HGY/2021/1703 Submitted 15 Jun 2021 0m away

  Single storey wrap around extension to ground floor flat.

  Granted Full applications Extension 11 docs
  Small domestic

• 66 Effingham Road, Hornsey, London, N8 0AB

  HGY/2026/1984 Submitted 14 Jul 2026 0m away

  Replacement of existing timber windows with new double-glazed uPVC windows to front, side and rear elevations, and replacement of existing timber doors to flats with new uPVC and composite doors.

  Granted Householder New dwelling Windows or glazing 10 docs
  Domestic

• 12 Effingham Road, Hornsey, London, N8 0AB

  HGY/2026/0807 Submitted 13 Apr 2026 0m away

  Demolition of rear chimney and erection of a single storey rear and side wraparound extension.

  Granted Householder Extension Demolition 7 docs
  Small domestic

• 35 Effingham Road, Hornsey, London, N8 0AA

  HGY/2026/1005 Submitted 8 Apr 2026 30m away

  Erection of rear dormer and insertion of 3x front rooflights

  Granted Householder Loft or dormer 13 docs
  Domestic

• 35 Effingham Road, Hornsey, London, N8 0AA

  HGY/2026/1006 Submitted 8 Apr 2026 30m away

  Certificate of lawfulness: proposed rear dormer, internal alterations and associated works.

  Granted Lawful development Loft or dormer 11 docs

• 35 Effingham Road, Hornsey, London, N8 0AA

  HGY/2026/2125 Submitted 24 Jul 2026 30m away

  91% historically approved · decision due ~18 Sep

  Proposed loft conversion including the raising of the party wall, rear dormer extension, insertion of front rooflights, internal alterations and associated works. The application combines elements of previous applications HGY/2026/1005 (rear dormer and front rooflights) and HGY/2026/1006 (Certificate of Lawfulness for a proposed rear dormer, internal alterations and associated works).

  Awaiting decision Householder Extension Loft or dormer 8 docs
  Domestic

• 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