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Planning application

37 Thornhill Road, London, N1 1JS

Awaiting decision Islington P2025/3540/FUL Full Planning (Householder)

Works: Extension Loft or dormer Windows or glazing Domestic

Read from the description, not a valuation. How we read the register

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Erection of roof extension with dormer windows, alterations to front garden incl

As published by the council, reference P2025/3540/FUL

Application record

Reference
P2025/3540/FUL
Type
Full Planning (Householder)
Status
1-Incomplete Application
Received
15 Dec 2025
Validated
15 Dec 2025
Postcode
N1 1JS

Site history

Applications at this address on the Islington register

This site has had 2 applications since 2025.

  • P2025/2958/FUL Awaiting decision

    37 Thornhill Road, London, N1 1JS

    Installation of new brick piers and metal gate to front boundary. Provision of a bike store and associated works within front garden.

    Submitted 20 Oct 2025 Householder

Timeline

Dates from the published record

  1. 15 Dec 2025

    Received by Islington

  2. 25 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 9 February 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Islington took a median of 53 days over the applications it decided in the last year.

What happens while it is decided

This application is with Islington for determination, against a statutory target of eight weeks. Over the last year Islington decided householder applications in a median of 56 days. More in our guide to how long planning decisions take.

About householder applications

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.

Nearby applications

Within 0.3 miles

  • 39 Thornhill Road, London, N1 1JS

    P2025/3541/FUL Submitted 15 Dec 2025 50 yards away

    Erection of roof extension with dormer windows

    Refused Householder Extension Loft or dormer +1
    Domestic

  • 39, Thornhill Road, London, N1 1JS

    P2026/0305/TRE Submitted 9 Feb 2026 50 yards away

    T1 - Magnolia - reduce crown by 1-1.5m (not beyond previous points of reduction

    Granted Trees

  • 41, Thornhill Road, London, N1 1JS

    P2025/0453/TRE Submitted 13 Feb 2025 50 yards away

    100% historically approved · decision due ~17 Apr

    A cherry tree located at No. 41 Thornhill Road. The tree has a low crown which overhangs into No. 39 Thornhill Road. Requesting permission to carry our pruning of those branches which overhang No. 39.

    Awaiting decision Trees 1 doc

  • 41, Thornhill Road, London, N1 1JS

    P2025/0512/TRE Submitted 21 Feb 2025 50 yards away

    100% historically approved · decision due ~22 Apr

    T1 False acacia Fell to ground level and provide replacement planting (minimum size 14-16cm girth Extra Heavy Standard)

    Awaiting decision Trees 3 docs

  • 41, Thornhill Road, London, N1 1JS

    P2025/1595/TRE Submitted 2 Jun 2025 50 yards away

    100% historically approved · decision due ~4 Aug

    T1 - Cherry - reduce crown to points of previous reduction (approx. 2m) T2 - Himalayan Birch - Reduce low branch on S side of tree by 2-3m. Balance by reducing surrounding branches by 1-1.5m T3 Cherry - Reduce crown by 1m, crown lift by 1m

    Awaiting decision Trees 6 docs

  • 39, Thornhill Road, London, N1 1JS

    P2025/0620/TRE Submitted 3 Mar 2025 50 yards away

    100% historically approved · decision due ~29 Apr

    T1 - Prickly Cypress - Felling to ground level and treating stump. T2 - Cherry - Felling to ground level and stump grinding.

    Awaiting decision Trees 5 docs

In Islington

  • P2026/2364/FUL Awaiting decision

    14C, Highbury Terrace Mews, London, N5 1UT

    Installation of replacement front balcony, front and rear facade/ door alteratio

    Received 16 Sep, published by the council 17 Sep 2026 Householder
  • P2026/2444/FUL Awaiting decision

    210 Brecknock Road, London, N19 5BG

    Construction of ground floor rear extension and installation of window replacements.

    Received 14 Sep, published by the council 19 Sep 2026 Householder
  • P2026/1936/FUL Granted

    45, Wyatt Road, London, N5 2JU

    A proposed front-to-back mansard loft extension

    Received 20 Jul, published by the council 8 Aug 2026 Householder
  • P2025/3568/FUL Granted

    1 Archibald Road, London, N7 0AN

    Construction of single storey rear extension. Excavation of basement/lower ground floor level by 0.25m internally and 2.25m externally to create front lower ground floor garden with associated stairs. Installation of front lower ground floor door and bay window. Installation of air source heat pump (ASHP), bin shed and bicycle shed. Changes to front garden arrangement including installation of new access gates. Installation of new and replacement windows, doors and rooflights. Creation of rear terrace. Installation of external wall insulation and render to flank wall.

    Received 16 Dec, published by the council 25 Jul 2026 Householder
  • P2026/2403/FUL Status unknown

    15, Canning Road, London, N5 2JR

    Erection of mansard roof extension.

    Received 11 Sep, published by the council 17 Sep 2026 Householder