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

1. 28 Sep 2026

   Received by Islington

2. 29 Sep 2026

   Validated

   Checked as complete and ready for consideration.

3. 29 Sep 2026

   Added to PlanIndex

4. Decision

   Awaiting decision

   Decision expected by 24 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.

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

  P2026/2548/COL Submitted 28 Sep 2026 50 yards away

  85% historically approved · decision due ~24 Nov

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

  Status unknown Lawful development

• Flat 31, 40 Danbury Street, London, N1 8JU

  P2026/1045/COL Submitted 21 Apr 2026 50 yards away

  Certificate of Lawfulness (Existing) to confirm the use of Flat 31 at first floo

  Granted Lawful development

• Flat 10, 40 Danbury Street, London, N1 8JU

  P2026/1046/COL Submitted 21 Apr 2026 50 yards away

  Certificate of Lawfulness (Existing) to confirm the use of Flat 10 at ground flo

  Granted Lawful development

• Flat 24, 40 Danbury Street, London, N1 8JU

  P2026/1048/COL Submitted 21 Apr 2026 50 yards away

  Certificate of Lawfulness (Existing) to confirm the use of Flat 24 at first floo

  Granted Lawful development

• 42, Danbury Street, London N1 8JU

  P2026/0951/FUL Submitted 27 Apr 2026 50 yards away

  Modification of existing roof access and erection of balustrade to create roof

  Granted Full applications

• 34a St Peter's Street, London, N1 8JT

  P2019/3252/COL Submitted 30 Oct 2019 50 yards away

  Certificate of Lawfulness (Existing)

  Granted Lawful development 5 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
• P2026/2549/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
• P2026/0047/COL Granted

  Flat B, 714 Holloway Road, London N19 3NH

  Certificate of Lawfulness (Existing) for the existing use of Flat B at second and third floor as a House in Multiple Occupation (Use Class C4)

  Received 8 Jan, published by the council 25 Jul 2026 Lawful development