Maisonette First And Second Floors, 135 Whitecross Street, London, EC1Y 8JL

1. 9 May 2023

   Received by Islington

2. 7 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 4 July 2023, 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.

• 137A and 139A Whitecross Street , London, EC1Y 8JL

  P2023/1311 Submitted 5 May 2023 50 yards away

  87% historically approved · decision due ~30 Jun

  Certificate of Lawfulness (Existing) to confirm the lawful use of the first and second floors as a duplex flats (Use Class C3).

  Awaiting decision Lawful development New dwelling 8 docs

• 137-139 Whitecross Street, London, EC1Y 8JL

  P2023/1310 Submitted 5 May 2023 50 yards away

  87% historically approved · decision due ~30 Jun

  Certificate of Lawfulness (Existing) to confirm lawful use as 1no. self-contained duplex flat (Use Class C3) at 137a Whitecross Street

  Awaiting decision Lawful development 9 docs

• 129 Whitecross Street, London, EC1Y 8JL

  P2023/0075/ADV Submitted 6 Jan 2023 50 yards away

  Internally illuminated advertisement fascia sign and projecting sign (Retrospective)

  Refused Advertising 8 docs

• Flat 3, 129 Whitecross Street, London, EC1Y 8JL

  P2026/0728/FUL Submitted 26 Feb 2026 50 yards away

  Erection of single storey roof extension.

  Granted Full applications Extension 16 docs
  Small domestic

• 141-157 Whitecross Street, London, EC1Y 8JL

  P2022/4005/AOD Submitted 21 Nov 2022 50 yards away

  Approval of Details application pursuant to conditions 2 (materials), 3 (roof-top structures), 5 (general & securrity lighting), 9 (biodiversity roofs) and 15 (safety & security) of planning permission ref: P2019/0194/FUL dated 20.05.2021.

  Granted Conditions 30 docs

• 1 - 3, Craftwork Studios, Dufferin Street, London

  P2026/0383/S73 Submitted 12 Feb 2026 50 yards away

  90% historically approved · decision due ~9 Apr

  Removal / variation approval of details of condition 2 of planning permission reference: P2025/1944/FUL, dated: 06/11/2025 To allow drawing to be swapped to show minor changes to basement level windows and rooftop ductwork.

  Awaiting decision Amendments Windows or glazing 9 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