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Planning application

HGY/2026/1847

18 Grand Avenue, Hornsey, London, N10 3BB

Awaiting decision Haringey Householder planning permission

Proposal

Ground floor wraparound rear extension, internal amendments and all associated works

As published by the council, reference HGY/2026/1847

Timeline

Dates from the published record

  1. 1 Jul 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 householder applications

How this application type works

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

Nearby applications

Within 500 metres

  • HGY/2026/1953 Granted

    24 Grand Avenue, Hornsey, London, N10 3BB

    Five Day Notice. Removal of a 90% dead pear tree in the rear of the property referenced above (photo attached). The client has confirmed replanting a willow tree. This is deemed appropriate given the garden's location directly above the Muswell Stream.

    10 Jul 2026 0m away Trees
  • HGY/2025/3474 Granted

    22 Grand Avenue, Hornsey, London, N10 3BB

    Birch (T1): Fell. Poor specimen, in decline. Birch (T2): 100% dead - remove.

    15 Dec 2025 0m away Trees
  • HGY/2026/1340 Granted

    30 Grand Avenue, Hornsey, London, N10 3BB

    Front garden- T1-Laurel tree- reduce on all aspects by up to 1m. T2- Crab Apple- crown reduction of approximately 1.5m. Back garden- T3-Ceanothus tree- Reduce crown by up to 2.5m and remove Ivy. T4-Apple tree -reduce by approximately 1m. T5- Birch tree - light reduction. T6-Dead tree- cut to grounds level. T7-Black elder tree- reduce by approximately 1m.

    12 May 2026 0m away Trees
  • HGY/2023/0482 Granted

    26 Grand Avenue, Hornsey, London, N10 3BB

    Leylandii (T1): Reduce height by 4-5m

    20 Feb 2023 0m away Trees
  • HGY/2026/0805 Granted

    4 Grand Avenue, Hornsey, London, N10 3AY

    T1. Yew Tree remove. Client planted it and it’s out growing and affecting neighbouring Birch Tree of which he prefers.

    23 Mar 2026 60m away Trees
  • HGY/2026/1225 Granted

    2 Grand Avenue, Hornsey, London, N10 3AY

    Chinese privet x3 - reduce height by 1.5m, trim sides in line. Robinia - reduce branches over patio by 1m. Apple - reduce outlying branches in line with rest of crown (1m off). Sycamore (in no. 4) - reduce branches overhanging client's garden to 1m below previous (3m off).

    1 May 2026 60m away Trees

In Haringey

  • HGY/2026/1575 Granted

    48 Richmond Road, Tottenham, London, N15 6QB

    Construction of single storey side infill extension, together with the installation of a Sukkah roof roof.

    11 Jun 2026 Householder
  • HGY/2026/1504 Granted

    19 Bromley Road, Tottenham, London, N17 0AR

    Ground floor wraparound extension to a end of terrace house.

    24 Jun 2026 Householder
  • HGY/2026/1947 Awaiting decision

    6 Umfreville Road, Hornsey, London, N4 1SB

    Roof extension including above existing outrigger, to create two new habitable rooms and a shower room. Proposal includes new front facing turret in the style of an original feature, with a total of 3 Velux style rooflights to the front elevation and 1 flat rooflight.

    30 Jul 2026 Householder
  • HGY/2026/0798 Granted

    Flat 2, Wren View, Hornsey Lane, Hornsey, London, N6 5LH

    Replacement windows to the rear facing studio flat.

    20 Mar 2026 Householder
  • HGY/2026/1491 Granted

    16 Cornwall Road, Hornsey, London, N4 4PH

    Formation of rear dormer and 3 no. front rooflights

    4 Jun 2026 Householder