14, Corbyn Street, London, N4 3BZ

This site has had 4 applications since 2021: 4 approved, 0 refused.

• P2026/0404/FUL Granted

  14 Corbyn Street, London, N4 3BZ

  Mansard roof extension and outrigger roof extension

  Decided 5 May 2026 Householder
• P2025/2964/COL Granted

  14 Corbyn Street, London, N4 3BZ

  Certificate of lawfulness (proposed) for new outrigger roof extension

  Decided 3 Feb 2026 Lawful development
• P2021/1831/PRA Granted

  14 Corbyn Street, London, N4 3BZ,

  Notification for Prior Approval (Householder) for demolition of the existing extensions and outbuildings to the original house and construction of a new single-storey side infill extension.

  Decided 2 Aug 2021 Prior approval

1. 24 Oct 2025

   Received by Islington

2. 16 Dec 2025

   Decision issued: Approve with conditions

3. 8 Aug 2026

   Added to PlanIndex

Islington granted permission on 16 December 2025, 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.

• 14 Corbyn Street, London, N4 3BZ

  P2026/0404/FUL Submitted 13 Feb 2026 0m away

  Mansard roof extension and outrigger roof extension

  Granted Householder Extension Loft or dormer
  Domestic

• 14 Corbyn Street, London, N4 3BZ

  P2025/2964/COL Submitted 20 Oct 2025 0m away

  Certificate of lawfulness (proposed) for new outrigger roof extension

  Granted Lawful development Extension

• 44 Corbyn Street, London, N4 3BZ

  P2021/1943/COLP Submitted 6 Jul 2021 2m away

  Certificate of Lawfulness (Proposed) for a rear roof extension above the existing outrigger.

  Granted Lawful development Extension 6 docs

• 44 Corbyn Street, London, N4 3BZ

  P2023/0573/FUL Submitted 28 Feb 2023 2m away

  Erection of a single storey ground floor rear extension to the existing side return, erection of a mansard roof extension and rear addition above the existing rear outrigger.

  Refused Householder Extension Loft or dormer 10 docs
  Small domestic

• 46 Corbyn Street, London, N4 3BZ

  P2023/0203/COLP Submitted 20 Jan 2023 4m away

  Certificate of Lawfulness (Proposed) for the erection of a second floor level extension above the rear outrigger, and partial infill of butterfly roof.

  Granted Lawful development Extension 8 docs

• 48 Corbyn Street, London, N4 3BZ

  P2024/1539/S73 Submitted 10 May 2024 9m away

  Section 73 (minor material amendment) application to vary condition 2 (Approved Drawings) of Planning Permission Ref. P2023/2944/FUL dated 12/12/2023: 'Erection of a mansard roof extension, single storey part infill extension, and a rear extension'. The variation seeks to increase the height of the mansard roof extension.

  Granted Amendments Extension Loft or dormer 17 docs
  Small domestic

• P2026/2323/FUL Status unknown

  146 St John Street, London, EC1V 4UA

  Alteration, extension and conversion of existing mixed-use buildings (office and

  7 Sep 2026 Householder
• P2026/1890/FUL Granted

  17 Belitha Villas, London, N1 1PE

  External lighting to front elevation, bin store and garden sauna to rear garden.

  21 Jul 2026 Householder
• P2026/2288/FUL Status unknown

  34 Sudeley Street, London, N1 8HW

  Retrospective application for reroofing the hidden front 'butterfly roof and rea

  4 Sep 2026 Householder
• P2026/1899/FUL Granted

  8 Sidney Grove, London, EC1V 7LP

  Proposed infilling of front first floor and second floor terrace areas and inser

  24 Jul 2026 Householder
• P2026/1627/FUL Granted

  5 Cumberland Gardens, London, WC1X 9AF

  Installation of stone paving to front steps, installation of ASHP in garden and

  22 Jun 2026 Householder