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
• P2025/3020/FUL Granted

  14, Corbyn Street, London, N4 3BZ

  Mansard roof extension to existing terraced house

  Decided 16 Dec 2025 Householder
• 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. 20 Oct 2025

   Received by Islington

2. 3 Feb 2026

   Decision issued: Approve with no conditions

3. 8 Aug 2026

   Added to PlanIndex

Islington granted permission on 3 February 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.

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

• 14 Corbyn Street, London, N4 3BZ

  P2026/0404/FUL Submitted 13 Feb 2026 50 yards away

  Mansard roof extension and outrigger roof extension

  Granted Householder Extension Loft or dormer
  Domestic

• 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

• 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

• P2026/2548/COL Status unknown

  Flat 5, St Peter's Street Mews, London, N1 8JF

  Certificate of Lawful (Existing) Use for the use of the ground floor property kn

  Received 28 Sep, published by the council 29 Sep 2026 Lawful development
• P2026/2522/COL Status unknown

  Flat 6, 1-2 St Peter's Street Mews, London, N1 8JF

  Certificate of Lawful (Existing) Use for the use of Flat 6 as a self-contained r

  Received 28 Sep, published by the council 29 Sep 2026 Lawful development
• P2026/2549/COL Status unknown

  Flat A, 42 Dartmouth Park Hill, London, NW5 1HN

  Certificate of Lawfulness (Existing) for the conversion of Flat A from a 1-bedro

  Received 25 Sep, published by the council 28 Sep 2026 Lawful development
• P2026/2266/COL Granted

  32 Gillespie Road, London, N5 1LN

  Erection of rear dormer roof extensions to main and outrigger roofs, installatio

  Received 27 Aug, published by the council 2 Sep 2026 Lawful development
• P2026/2525/COL Status unknown

  10A Rock Street, London, N4 2DN

  Certificate of Lawfulness (Proposed) for use of the site as a 5-person small-sca

  Received 24 Sep, published by the council 25 Sep 2026 Lawful development