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 50 yards 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 50 yards 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 50 yards 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 50 yards 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 50 yards 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 50 yards away

  Raising of 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)

  Refused Householder Extension Loft or dormer 10 docs
  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