5 Thornbury Square, London, N6 5YN

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. 19 Aug 2026

   Decision issued: Approve with conditions

Islington granted permission on 19 August 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

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.

• 4 Thornbury Square, London, N6 5YN

  P2024/3650/TRE Submitted 6 Dec 2024 50 yards away

  99% historically approved · decision due ~3 Feb

  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

  Decided Trees 4 docs

• 10 Thornbury Square, London, N6 5YN

  P2025/0401/TRE Submitted 10 Feb 2025 50 yards away

  99% historically approved · decision due ~11 Apr

  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.

  Decided Trees 7 docs

• 40 Waterlow Road, London, N19 5NH

  P2021/0657/FUL Submitted 3 Mar 2021 50 yards away

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

  Granted Full applications Windows or glazing 18 docs

• 66 Highgate Hill, London, N19 5NQ

  P2025/3018/TRE Submitted 27 Oct 2025 100 yards away

  Cherry - Crown reduce the unruly height by branch lengths of up to 1.0m

  Granted Trees

• Flat A, 40 Highgate Hill, London, N19 5NQ

  P2026/2485/TRE Submitted 30 Sep 2026 100 yards away

  99% historically approved · decision due ~25 Nov

  T1 - sycamore tree (14m) - take down to ground level.

  Awaiting decision Trees

• 80-90 Highgate Hill, London, N19 5NQ

  P2026/2179/AOD Submitted 12 Aug 2026 100 yards away

  Approval of details pursuant to condition 19 (secured by design) of planning per

  Granted

• P2026/2615/FUL Awaiting decision

  23 Framfield Road, London, N5 1UU

  Erection of outrigger dormer extension and all associated works.

  Received 2 Oct, published by the council 11 Oct 2026 Householder
• P2026/2593/FUL Awaiting decision

  1 Wyatt Road, London, N5 2JU

  Erection of mansard roof extension.

  Received 1 Oct, published by the council 2 Oct 2026 Householder
• P2026/2124/FUL Granted

  13 Willow Bridge Road, London, N1 2LB

  Installation of mechanical plant comprising air source heat pumps and an air han

  Received 7 Aug, published by the council 19 Aug 2026 Householder
• P2026/0821/FUL Granted

  32 Harberton Road, London, N19 3JR

  Retention of 1x bike store and 1x bin store within front garden

  Received 26 Mar, published by the council 25 Jul 2026 Householder
• P2026/2571/FUL Awaiting decision

  3 Sotheby Road, London, N5 2UP

  Proposed replacement front boundary wall with railings, front garden alterations to enlarge lightwell, cycle and refuse storage and refurbished stone front steps.

  Received 29 Sep, published by the council 11 Oct 2026 Householder