37 Thornhill Road, London, N1 1JS

This site has had 2 applications since 2025.

• P2025/3540/FUL Awaiting decision

  37 Thornhill Road, London, N1 1JS

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

  Submitted 15 Dec 2025 Householder

1. 20 Oct 2025

   Received by Islington

2. 20 Jan 2026

   Validated

   Checked as complete and ready for consideration.

3. 25 Jul 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 17 March 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.

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.

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.

• 37 Thornhill Road, Islington, London, N1 1JS

  P2019/3062/TRE Submitted 14 Oct 2019 50 yards away

  Rear garden TPO ref: T2 of TPO 182/1998 (T1) Cherry - Reduce crown away from roof + tv aerial of 29 Barnsbury Square to provide a clearance of about 1m. This will be achieved by pruning back to significant branches thereby maintaining as natural a shape as possible.

  Granted Trees 5 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

• 39, Thornhill Road, London, N1 1JS

  P2025/1656/TRE Submitted 9 Jun 2025 50 yards away

  100% historically approved · decision due ~8 Oct

  Minor pruning of Magnolia tree, particularly the branches overhanging the neighbours at number 37.

  Awaiting decision Trees 4 docs

• 39 Thornhill Road, London, N1 1JS

  P2024/2774/FUL Submitted 16 Sep 2024 50 yards away

  Erection of single storey rear extension at lower ground floor level (replacing existing two storey rear outrigger), second floor roof terrace on top of existing side annex, alterations to the fenestration across the front and rear, front landscaping works, timber bike enclosure to front garden and associated works.

  Granted Householder Extension Windows or glazing 24 docs
  Small domestic

• 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

• 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