8-54 Duncan Street, London, N1 8BW

1. 9 Sep 2026

   Received by Islington

2. 23 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 23 Sep 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 18 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Islington took a median of 53 days over the applications it decided in the last year.

The published feed does not show a live status for this application; the register on Islington's own portal holds the authoritative version.

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.

• Bus Shelter, Pavement outside 40 Islington High Street, London, N18EQ

  P2026/0295/ADV Submitted 4 Feb 2026 50 yards away

  Display of internally illuminated sequential advertisements in a bus shelter (ca

  Granted Advertising

• Bus shelter outside 80 Islington High Street N1 8EQ

  P2026/0296/ADV Submitted 4 Feb 2026 50 yards away

  Display of internally illuminated sequential advertisements in a bus shelter (ca

  Granted Advertising

• National Westminster Bank PLC, 40 Islington High Street, London, N1 8EQ

  P2026/2046/FUL Submitted 14 Aug 2026 50 yards away

  86% historically approved · decision due ~12 Oct

  Change of use and alterations to existing building to provide a mixed-use develo

  Awaiting decision Full applications

• St John The Evangelist Rc Primary School, Duncan Street, London, N1 8BL

  P2020/1586/FUL Submitted 16 Jun 2020 50 yards away

  Single storey extension to front of existing school reception block to south west elevation (facing Duncan Street) to provide enlarged and improved administration, staff and visitor facilities

  Granted Full applications Extension 19 docs
  Small domestic

• St John The Evangelist Rc Primary School, Duncan Street, London, N1 8BL

  P2025/2355/FUL Submitted 18 Aug 2025 50 yards away

  Installation of an aluminium framed canopy.

  Granted Full applications 9 docs

• Pavement outside, 40 Islington High Street, London, N1 8XB

  P2023/0193/FUL Submitted 19 Jan 2023 50 yards away

  The installation of a multi-functional Communication Hub including advertisement display, as illustrated in the attached documentation. P2023/0257/ADV also submitted

  Granted Full applications 15 docs

• P2026/2423/COL Status unknown

  45, Penderyn Way, London, N7 0EY

  Operation description: Construction of a single-storey rear extension. Replacem

  Received 15 Sep, published by the council 22 Sep 2026 Lawful development
• P2026/2422/COL Status unknown

  116, Fairbridge Road, London, N19 3HU

  Certificate of Lawfulness (Existing) for the use of the property as a 6-bedroom

  Received 15 Sep, published by the council 17 Sep 2026 Lawful development
• P2026/2408/COL Status unknown

  10 Elphinstone Street, London, N5 1BS

  Certificate of lawful development (Proposed) for rear loft conversion with rear

  Received 14 Sep, published by the council 17 Sep 2026 Lawful development
• P2026/2393/COL Awaiting decision

  15, Canning Road, London, N5 2JR

  Outrigger roof extension.

  Received 11 Sep, published by the council 22 Sep 2026 Lawful development
• P2026/2354/COL Awaiting decision

  123 Offord Road, London, N1 1PQ

  Certificate of Lawful (Existing) Use for the conversion of the property into 8No. self-contained residential units.

  Received 7 Sep, published by the council 19 Sep 2026 Lawful development