11 Allingham Street London N1 8NX

1. 24 Mar 2026

   Received by Islington

2. 14 May 2026

   Decision issued: Approve with conditions

3. 25 Jul 2026

   Added to PlanIndex

Islington granted permission on 14 May 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.

• 31, Allingham Street, London, N1 8NX

  P2026/1116/TRE Submitted 1 May 2026 50 yards away

  Removal of one low hanging branch approx 1 inch in diameter. Tree species: sil

  Granted Trees

• 23 Allingham Street, London, N1 8NX

  P2023/0680/FUL Submitted 9 Mar 2023 50 yards away

  Proposed alterations to existing rear extension including lowering of existing extension walls, amending roof to monopitch traditional lead roof, infilling of existing bathroom window and addition of new rooflight, new tall side window, new door and window to rear of extension and new lead coping to walls of extension.

  Granted Householder Extension Loft or dormer +1 15 docs
  Domestic

• 17 Allingham Street, London, N1 8NX

  P2026/1611/FUL Submitted 19 Jun 2026 50 yards away

  Erection of a single-storey rear infill extension at lower ground level, a part-width rear extension at upper ground level, and a mansard roof extension. Works include raising cill of upper ground rear window

  Granted Householder Extension Loft or dormer +1 20 docs
  Small domestic

• 25 Allingham Street, London, N1 8NX

  P2024/3124/FUL Submitted 24 Oct 2024 50 yards away

  Full Width, Lower Ground Rear Extension with associated excavation and landscaping works.

  Granted Householder Extension 15 docs
  Domestic

• 16 - 18 Rheidol Mews, London, N1 8NU

  P2025/2356/COL Submitted 18 Aug 2025 50 yards away

  87% historically approved · decision due ~13 Oct

  Certificate of Lawfulness (existing) to confirm the use of various units within the terrace as Use Class E

  Awaiting decision Lawful development 4 docs

• 40-41 Rheidol Mews, London, N1 8NU

  P2026/0467/COL Submitted 18 Feb 2026 50 yards away

  Certificate of Lawfulness (existing) to confirm use of the property as a single

  Refused Lawful development

• 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