100, Warham Road, London, N4 1AU

1. 3 Oct 2022

   Received by Haringey

2. 18 May 2023

   Decision issued: Approve

3. 4 Oct 2026

   Added to PlanIndex

Haringey granted permission on 18 May 2023, 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.

• Flat B, 91 Warham Road, Hornsey, London, N4 1AS

  HGY/2026/1314 Submitted 8 May 2026 50 yards away

  Erection of rear dormer roof and outrigger extension with associated rear roof terrace and increase in ridge height to align with neighbouring property, along with associated alterations and refurbishment of the property.

  Granted Householder Extension Loft or dormer +1 7 docs
  Domestic

• 91 Pemberton Road, Hornsey, London, N4 1AY

  HGY/2026/2411 Submitted 28 Aug 2026 50 yards away

  91% historically approved · decision due ~23 Oct

  Single storey side infill extension with 3 no. rooflights

  Awaiting decision Householder Extension Loft or dormer 7 docs
  Small domestic

• 99 Pemberton Road, Hornsey, London, N4 1AY

  HGY/2026/2574 Submitted 14 Sep 2026 50 yards away

  91% historically approved · decision due ~9 Nov

  Erection of rear L shaped dormer with rear roof terrace; 1 no. front roof lights.

  Awaiting decision Householder Loft or dormer 5 docs
  Domestic

• 507, Green Lanes, London, N4 1AL

  HGY/2019/2973 Submitted 23 Oct 2019 100 yards away

  Notification under the Electronic Communications Code (Conditions and Restrictions) Regulations 2003 (as amended) to utilise permitted development rights for the installation of 4 no new microcell antennas, as part of a small cell system.

  Granted Telecoms 3 docs

• 112 Seymour Road, Hornsey, London, N8 0BG

  HGY/2026/1318 Submitted 11 May 2026 100 yards away

  Certificate of lawfulness for the installation of an external Air Source Heat Pump (ASHP) located on the rear side wall of the property on the first floor level - proposed use

  Granted Lawful development 12 docs

• First And Second Floor Flat, 505 Green Lanes, Hornsey, London, N4 1AL

  HGY/2022/4190 Submitted 22 Nov 2022 100 yards away

  Change of use from C3 to C4 (HMO 6 Person)

  Withdrawn Full applications 8 docs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