112 Seymour Road, Hornsey, London, N8 0BG

1. 11 May 2026

   Received by Haringey

2. 24 Jul 2026

   Added to PlanIndex

3. 31 Jul 2026

   Decision issued: Approve

Haringey granted permission on 31 July 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.

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

  HGY/2026/1314 Submitted 8 May 2026 45m 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

• 104, Hewitt Road, London, N8 0BN

  HGY/2021/2034 Submitted 1 Jul 2021 69m away

  Erection of front roof pediment with 2 no. rooflights.

  Granted Full applications Loft or dormer 7 docs

• First And Second Floor Flat, 122 Hewitt Road, Hornsey, London, N8 0BN

  HGY/2026/1502 Submitted 29 May 2026 73m away

  Erection of a loft L-shaped dormer, with the raising the shared parapet wall, replacement of first floor rear window with original sash window and the addition of a skylight to the first floor roof.

  Granted Full applications Loft or dormer Windows or glazing 8 docs

• 104, Hewitt Road, London, N8 0BN

  HGY/2021/1938 Submitted 1 Jul 2021 76m away

  Rear L-shaped dormer with roof lights on front slope, demolish existing ground floor extension, install new doors and window at ground floor rear (certificate of lawfulness: proposed use)

  Granted Lawful development Extension Loft or dormer +2 8 docs

• 513, Green Lanes, Hornsey, London, N4 1AN

  HGY/2025/2262 Submitted 16 Sep 2025 78m away

  Variation of condition 3 (hours of operation) of planning permission ref. HGY/2021/0066 for: Change of use of the ground floor of 513 Green Lanes, from a Licensed Betting Office (Sui Generis) to an Adult Gaming Centre (Sui Generis) operating from 09:00 am to 23:00 pm seven days a week; namely, to extend the hours of operation until 2:00 am for a temporary period of 18 months.

  Refused Amendments 8 docs

• Shop, 521 Green Lanes, Hornsey, London, N4 1AN

  HGY/2026/0075 Submitted 3 Feb 2026 78m away

  Erection of a single storey rear extension.

  Refused Full applications Extension 11 docs
  Small 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