78 Fairfax Road, Hornsey, London, N8 0NL

1. 26 Feb 2026

   Received by Haringey

2. 23 Apr 2026

   Decision issued: Approve

3. 24 Jul 2026

   Added to PlanIndex

Haringey granted permission on 23 April 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.

• 147 Fairfax Road, Hornsey, London, N8 0NJ

  HGY/2026/0087 Submitted 12 Jan 2026 50 yards away

  Certificate of lawfulness for proposed use: Loft conversion with erection of rear dormer roof extension and insertion of 2no. front rooflights.

  Granted Lawful development Extension Loft or dormer 7 docs

• 101 Effingham Road, Hornsey, London, N8 0AE

  HGY/2023/0268 Submitted 26 Jan 2023 50 yards away

  Certificate of Lawfulness for the formation of a rear dormer roof extension under permitted development.

  Granted Lawful development Extension Loft or dormer 2 docs

• 113 Effingham Road, Hornsey, London, N8 0AE

  HGY/2024/2531 Submitted 13 Sep 2024 50 yards away

  Erection of a single storey ground floor wrap-around extension

  Granted Householder Extension 10 docs
  Small domestic

• 103, Fairfax Road, London, N8 0NJ

  HGY/2021/1738 Submitted 3 Jun 2021 50 yards away

  Certificate of lawfulness: existing use Conversion of garage into self-contained studio flat.

  Granted Lawful development 5 docs

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

  HGY/2024/3253 Submitted 27 Nov 2024 100 yards away

  Replacement of current timber windows with new UPVC windows

  Granted Full applications Windows or glazing 9 docs

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

  HGY/2025/3226 Submitted 21 Nov 2025 100 yards away

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

  Granted Lawful development Loft or dormer 9 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