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Planning application

P2026/0069/FUL

5 Thornbury Square, London, N6 5YN

Awaiting decision Islington Full Planning (Householder)

Proposal

Demolition of existing conservatory and erection of replacement single-storey rear extension. New outbuilding to the rear garden.

As published by the council, reference P2026/0069/FUL

Timeline

Dates from the published record

  1. 12 Jan 2026

    Received by Islington

  2. 5 Mar 2026

    Validated

    Checked as complete and ready for consideration.

  3. 25 Jul 2026

    Added to PlanIndex

  4. 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 Islington 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

  • P2024/3650/TRE Awaiting decision

    4 Thornbury Square, London, N6 5YN

    2 Mature Lime trees, reduce lateral and vertical growth by 2-3 M approx back to most recent previous pruning points, leaving no furnishings to lessen weight bearing load and as an ongoing maintenance

    6 Dec 2024 16m away Trees
  • P2025/0401/TRE Awaiting decision

    10 Thornbury Square, London, N6 5YN

    Yew (T1): Trim back to previous shape (approx. 50cm all round) X2 Lime (T2 & T3): Prune overhang to boundary (approx. 0.5 - 1m regrowth) Lime (T4): Re-pollard to most recent points Proposed work is to protect the health and stability of trees to be retained on the site, and to ensure that a satisfactory standard of visual amenity is provided and maintained. All specified work is within good arboricultural practice and husbandry.

    10 Feb 2025 29m away Trees
  • P2021/0657/FUL Granted

    40 Waterlow Road, London, N19 5NH

    Replacement of existing single glazed timber windows and doors with double glazed timber windows and doors to the front and rear elevations.

    3 Mar 2021 64m away Full applications
  • P2026/1089/AOD Awaiting decision

    St Aloysius College, 32 Hornsey Lane, London, N6 5LY

    Approval of Details pursuant of condition 3 (Tree Planting Details) of planning permission ref: P2025/2090/FUL dated 10 Dec 2025

    24 Apr 2026 116m away Conditions
  • P2024/2448/FUL Granted

    8 Netherleigh Close, London, N6 5LL

    Replace existing single glazed windows and doors with double glazed timber windows to front and rear elevations. Replacement door to rear elevation

    13 Aug 2024 121m away Full applications
  • P2026/1146/LBC Awaiting decision

    4 Hornsey Lane, London, N6 5LZ

    Demolition and reconstruction of the rear two storey outrigger, together with the erection of a rear infill side extension. The proposal also includes minor internal alterations and the installation of one new window to the rear elevation. (Full planning application ref: P2026/1145/FUL also submitted).

    1 May 2026 146m away Heritage and listed buildings

In Islington

  • P2026/1432/FUL Refused

    9 Alwyne Square, London, N1 2JX

    Insertion of 3 conservation-style rooflights in the existing front roof slope.

    3 Jun 2026 Householder
  • P2026/1963/FUL Awaiting decision

    15, Hugo Road, London, N19 5EU

    Erection of single storey side infill extension to lower ground floor.

    23 Jul 2026 Householder
  • P2026/1229/FUL Granted

    5 Gallia Road, London, N5 1LA

    Erection of a single-storey rear infill extension.

    8 May 2026 Householder
  • P2026/1950/FUL Withdrawn

    5 Canonbury Grove, London, N1 2HP

    Erection of an rear outbuilding

    22 Jul 2026 Householder
  • P2026/1955/FUL Awaiting decision

    4 Highbury Terrace, London, N5 1UP

    Erection of a single-storey rear extension; erection of an ancillary outbuilding within the rear garden; replacement of existing windows; refurbishment and upgrading of the existing roof incorporating the installation of photovoltaic solar panels; installation of an air source heat pump; and internal alterations to all floors, including associated reconfiguration of layouts and ancillary works. [Listed Building Consent P2026/1956/LBC also submitted].

    22 Jul 2026 Householder