88 Wightman Road, Hornsey, London, N4 1RN

1. 6 Jul 2026

   Received by Haringey

2. 24 Jul 2026

   Added to PlanIndex

3. 23 Sep 2026

   Decision issued: Approve with Conditions

Haringey granted permission on 23 September 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 85, Wightman Road, Hornsey, London, N4 1RJ

  HGY/2022/4027 Submitted 17 Nov 2022 50 yards away

  Conversion of existing dwelling into two flats, including the demolition of the existing single storey rear projection, the erection of a part ground floor, part first floor rear extension, the installation of a rear dormer window and the creation of a new covered porch.

  Granted Full applications New dwelling Extension +3 14 docs
  Several homes

• Flat B, 32, Mattison Road, London, N4 1BD

  HGY/2021/1634 Submitted 25 May 2021 100 yards away

  Loft conversion with rear dormer extension (AMENDED DESCRIPTION)

  Granted Full applications Extension Loft or dormer 10 docs

• Plot rear of 68 & 70 Wightman Road, Hornsey, London, N4 1RW

  HGY/2025/2484 Submitted 10 Oct 2025 150 yards away

  Redevelopment of unused rear land and existing building into a two-storey dwelling

  Granted Full applications 18 docs
  Domestic

• 21 Mattison Road, Hornsey, London, N4 1BG

  HGY/2026/2579 Submitted 15 Sep 2026 150 yards away

  90% historically approved · decision due ~10 Nov

  Erection of a single-storey partial side extension including the creation of a lightwell and refurbishment of the ground-floor rear elevation; construction of a rear dormer including the installation of 3x front/1x rear rooflights and construction of a second-floor outrigger roof extension, including associated roof terrace.

  Awaiting decision Householder Extension Loft or dormer 17 docs
  Small domestic

• Flat B, 33 Mattison Road, Hornsey, London, N4 1BG

  HGY/2026/0414 Submitted 16 Feb 2026 150 yards away

  Formation of rear dormer and outrigger roof extension with two rooflights to front elevation

  Granted Full applications Extension Loft or dormer 18 docs

• 21 Pemberton Road, Hornsey, London, N4 1AX

  HGY/2026/1082 Submitted 16 Apr 2026 150 yards away

  Addition of dormer extension and rooflights

  Refused Full applications Extension Loft or dormer 10 docs

• HGY/2026/1799 Awaiting decision

  14 Kingsley Place, Hornsey, London, N6 5EA

  The installation of 20 x 460W solar panels on the flat roof of 14 Kingsley Place, together with the routing of external heat-pump pipework over the flat roof.

  Received 8 Oct, published by the council 11 Oct 2026 Householder
• HGY/2026/1048 Granted

  18 Muswell Avenue, Hornsey, London, N10 2EG

  Erection of a single storey lower ground floor rear extension with roof terrace and associated landscaping works, insertion of rear ground floor door to proposed terrace, alterations and replacement of rear dormer glazing and first floor rear window, and alterations to front garage door and lower ground window.

  Received 15 May, published by the council 24 Jul 2026 Householder
• HGY/2026/2213 Awaiting decision

  2 Parkwood Mews, Hornsey, London, N6 5UR

  Convert the basement into a basement flat (retrospective application).

  Received 5 Oct, published by the council 11 Oct 2026 Householder
• HGY/2026/2541 Awaiting decision

  132 Vartry Road, Tottenham, London, N15 6HA

  Erection of a single storey rear/side extension, together with the installation of a Sukkah roof

  Received 5 Oct, published by the council 11 Oct 2026 Householder
• HGY/2026/2240 Granted

  40 Cholmeley Park, Hornsey, London, N6 5ER

  Installation of a new painted timber sash window to the existing side dormer on the north elevation of the property at second floor level.

  Received 10 Aug, published by the council 31 Aug 2026 Householder