14 Corbyn Street, London, N4 3BZ

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

• P2025/3020/FUL Granted

  14, Corbyn Street, London, N4 3BZ

  Mansard roof extension to existing terraced house

  Decided 16 Dec 2025 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. 13 Feb 2026

   Received by Islington

2. 5 May 2026

   Decision issued: Approve with conditions

3. 25 Jul 2026

   Added to PlanIndex

Islington granted permission on 5 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.

• 14, Corbyn Street, London, N4 3BZ

  P2025/3020/FUL Submitted 24 Oct 2025 50 yards away

  Mansard roof extension to existing terraced house

  Granted Householder Extension Loft or dormer
  Domestic

• 14 Corbyn Street, London, N4 3BZ

  P2025/2964/COL Submitted 20 Oct 2025 50 yards 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 50 yards 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 50 yards 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

  P2023/0786/FUL Submitted 17 Mar 2023 50 yards away

  Erection of a mansard roof extension.

  Granted Householder Extension Loft or dormer 8 docs
  Domestic

• 46 Corbyn Street, London, N4 3BZ

  P2023/0203/COLP Submitted 20 Jan 2023 50 yards 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

• 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