Mallard Court, 1 Piper Close, London, N7 8TQ

1. 3 Jul 2026

   Received by Islington

2. 13 Jul 2026

   Validated

   Checked as complete and ready for consideration.

3. 24 Jul 2026

   Added to PlanIndex

4. 21 Aug 2026

   Decision issued: Approve with no conditions

Islington granted permission on 21 August 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.

• Maude Court, 8 Piper Close, London, N7 8TY

  P2026/1766/COL Submitted 3 Jul 2026 100 yards away

  Certificate of Lawfulness (proposed) for fire safety upgrades to the building in

  Granted Lawful development

• 91 Mackenzie Road, London, N7 8QY

  P2021/2237/COLP Submitted 30 Jul 2021 150 yards away

  Certificate of Lawfulness (Proposed) in connection with the erection a rear double storey dormer roof extension, installation of new rooflight to Ground Floor roof, replacement doors/windows at ground floor level to the rear and the enclosure of the front porch with new front door brickwork and fanlight window.

  Granted Lawful development Extension Loft or dormer +2 10 docs
  Small domestic

• 17 Geary House, Georges Road, London, N7 8EZ

  P2021/2058/TRE Submitted 14 Jul 2021 150 yards away

  Rear garden Eucalyptus - Crown reduce height by 6m-7m. Reduce the spread to balance and shape

  Granted Trees 4 docs

• Flat 6 St James's School, 15 Georges Road, London, N7 8HD

  P2026/1456/FUL Submitted 18 Jun 2026 150 yards away

  Replacement of single glazed timber sash and casement windows with slimline doub

  Granted Full applications Windows or glazing

• Pavement outside 476 Caledonian Road, London N7 8TB

  P2025/2487/ADV Submitted 1 Oct 2025 150 yards away

  Installation of free-standing advertising structure with 2 digital displays back

  Refused Advertising

• 474 Caledonian Road, London, N7 8TB

  P2026/1769/COL Submitted 3 Jul 2026 150 yards away

  Certificate of Lawfulness (Proposed) façade remediation to existing residential

  Granted Lawful development

• 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