89 Marlborough Road, London, N19 4PA

This site has had 2 applications since 2025: 1 approved, 0 refused.

• P2025/3173/FUL Granted

  89 Marlborough Road, London, N19 4PA

  Erection of single storey rear extension

  Decided 26 Jan 2026 Householder

1. 4 Feb 2026

   Received by Islington

2. 15 Apr 2026

   Decision issued: Withdrawn After Valid

3. 25 Jul 2026

   Added to PlanIndex

The applicant withdrew this application before Islington decided it, and is free to submit a revised scheme at any time. 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.

• 89 Marlborough Road, London, N19 4PA

  P2025/3173/FUL Submitted 18 Nov 2025 50 yards away

  Erection of single storey rear extension

  Granted Householder Extension
  Small domestic

• Ground Floor Flat, 101 Marlborough Road, London, N19 4PA

  P2026/1214/FUL Submitted 22 May 2026 50 yards away

  Single storey side extension to ground floor flat and replacement front bay sash

  Granted Full applications Extension Windows or glazing
  Small domestic

• 87 Marlborough Road, London, N19 4PA

  P2024/2589/FUL Submitted 28 Aug 2024 50 yards away

  Erection of mansard roof extension.

  Granted Full applications Extension Loft or dormer 11 docs

• 72 Marlborough Road, Ground Floor Flat, London, N19 4NJ

  P2023/0700/FUL Submitted 10 Mar 2023 50 yards away

  Construction of 2 single storey rear extensions.

  Granted Full applications Extension 9 docs
  Small domestic

• 66-68 Marlborough Road, Islington, London, N19 4NJ

  P2023/0496/FUL Submitted 16 Feb 2023 50 yards away

  Replacement of existing single glazed windows with timber double glazed units to the front, rear and flank elevations

  Granted Full applications Windows or glazing 31 docs

• 8 Cornwallis Square, London, N19 4LY

  P2025/3436/COL Submitted 8 Dec 2025 50 yards away

  Front roof slope insertion of rooflight not to exceed 150mm high; rear roof slope creation of flat dormer roof not to exceed 40m3, set back from eaves by minimum 200mm, and not to exceed existing ridge height; ground floor rear extension not to exceed 3m length, flat roof/eaves not to exceed 3m high.

  Withdrawn Lawful development Extension Loft or dormer +1 7 docs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