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Planning application

HGY/2026/1556

170 Westbury Avenue, Wood Green, London, N22 6RU

Awaiting decision Haringey Lawful development: Proposed use

Proposal

Certificate of lawfulness for proposed use: Erection of single storey garden room outbuilding in the rear garden.

As published by the council, reference HGY/2026/1556

Timeline

Dates from the published record

  1. 23 Jun 2026

    Received by Haringey

  2. 24 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.

What happens while it is decided

The process from here

This application is with Haringey for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.

The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • HGY/2023/0418 Granted

    170 Westbury Avenue, Wood Green, London, N22 6RU

    Certificate of lawfulness for proposed rear dormer extension, hip-to-gable roof alteration and insertion of 2 x rooflights to the front roofslope, including a single storey side extension (similar to approved HGY/2018/2979).

    13 Feb 2023 0m away Lawful development
  • HGY/2026/0748 Granted

    231 Sirdar Road, Wood Green, London, N22 6QU

    Replacement of the existing timber single-glazed front entrance door with a composite double-glazed front entrance door.

    13 Apr 2026 58m away Full applications
  • HGY/2026/0014 Granted

    270 Boundary Road, Tottenham, London, N22 6AJ

    Non-Material Amendment to planning application reference HGY/2021/0622 for the enlargement of the side facing widows on ground & first floor, the replacement of rear ground floor bedroom window with new white UPVC doors & window, the omission existing ground floor kitchen window and replacement with double doors and including the installation of new timber bin enclosure to the front elevation.

    18 Feb 2026 100m away Amendments
  • HGY/2026/0581 Granted

    178 Boundary Road, Tottenham, London, N22 6AJ

    Ground floor rear extension with roof light and loft conversion with roof lights.

    12 Mar 2026 100m away Householder
  • HGY/2026/0788 Granted

    210 Boundary Road, Tottenham, London, N22 6AJ

    Formation of rear L Shaped dormer with roof lights on front slope

    23 Mar 2026 100m away Householder
  • HGY/2026/1040 Awaiting decision

    208 Boundary Road, Tottenham, London, N22 6AJ

    Erection of a single storey rear wraparound extension.

    13 Apr 2026 100m away Householder

In Haringey

  • HGY/2026/2104 Granted

    17 Sperling Road, Tottenham, London, N17 6UQ

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

    23 Jul 2026 Lawful development
  • HGY/2026/1307 Granted

    49 Lordsmead Road, Tottenham, London, N17 6EX

    Certificate of lawfulness for the existing use of the property as five separate self-contained flats.

    8 May 2026 Lawful development
  • HGY/2026/1885 Granted

    6, Grainger Road, London, N22 5LT

    Certificate of Lawfulness: Proposed alterations to the roof comprising the installation of 3no. rooflights (2no. front facing and 1no. rear facing).

    6 Jul 2026 Lawful development
  • HGY/2026/1375 Granted

    Flats 1, 2, & 3 149 Crescent Road, Wood Green, London, N22 7RU

    Certificate of lawfulness for the existing use of the property as 3 self-contained flats (comprising of ground floor 2 bed, first floor 2 bed, second floor 1 bed) for more than 4 years.

    14 May 2026 Lawful development
  • HGY/2026/1409 Granted

    492 Archway Road, Hornsey, London, N6 4NA

    Certificate of Lawfulness Existing Use. Use of lower ground floor as two flats (Use Class C3).

    19 May 2026 Lawful development