29 Devonia Road, London, N1 8JQ

1. 2 Jun 2026

   Received by Islington

2. 22 Jun 2026

   Validated

   Checked as complete and ready for consideration.

3. 25 Jul 2026

   Added to PlanIndex

4. 29 Sep 2026

   Status changed to VALIDATED

5. Decision

   Awaiting decision

   Decision expected by 17 August 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.

This application is with Islington for determination, against a statutory target of eight weeks. Over the last year Islington decided lawful development applications in a median of 60 days. More in our guide to how long planning decisions take.

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.

• 51 Devonia Road, London, N1 8JQ

  P2025/3078/FUL Submitted 29 Oct 2025 50 yards away

  Replace existing windows with new double glazed windows to front and rear elevat

  Granted Full applications Windows or glazing

• 31 Devonia Road, London, N1 8JQ

  P2025/3570/FUL Submitted 14 Jan 2026 50 yards away

  rection of a single storey rear wraparound extension and formation of a rear roo

  Granted Householder Extension
  Small domestic

• 31 Devonia Road, London, N1 8JQ

  P2026/1823/FUL Submitted 13 Jul 2026 50 yards away

  Installation of air source heat pump in rear garden.

  Granted Householder
  Domestic

• Flat A, 27 Devonia Road, London, N1 8JQ

  P2026/0703/TRE Submitted 17 Mar 2026 50 yards away

  Rear garden: Judas tree (T1), cherry (T2) and magnolia (T3) - reduce crowns by

  Granted Trees

• 24 Devonia Road, London

  P2025/1773/TRE Submitted 17 Jun 2025 50 yards away

  99% historically approved · decision due ~10 Oct

  T1 - Sycamore - Remove branches that grow towards and overhang the garden of 22 Devonia Road up to a height of approx. 10m from ground level. 2-2.5m branch length removal

  Decided Trees 4 docs

• 20 Devonia Road, London, N1 8JH

  P2023/0066/FUL Submitted 6 Jan 2023 50 yards away

  Construction of a mansard roof extension and a 2 storey rear infill extension at lower ground and ground floor level; change of use of property from a single family dwelling (Use Class C3) to a large house of multiple occupation (HMO) with 5 bedrooms for occupation by a maximum of 10 people (Use Class Sui Generis)

  Refused Full applications Extension Loft or dormer 7 docs
  Domestic

• 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