89 Marlborough Road, London, N19 4PA

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

• P2026/0288/COL Withdrawn

  89 Marlborough Road, London, N19 4PA

  Certificate of lawfulness (proposed) for addition of a second storey to existing

  Decided 15 Apr 2026 Lawful development

1. 18 Nov 2025

   Received by Islington

2. 26 Jan 2026

   Decision issued: Approve with conditions

3. 8 Aug 2026

   Added to PlanIndex

Islington granted permission on 26 January 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.

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

• 89 Marlborough Road, London, N19 4PA

  P2026/0288/COL Submitted 4 Feb 2026 0m away

  Certificate of lawfulness (proposed) for addition of a second storey to existing

  Withdrawn Lawful development

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

  P2026/1214/FUL Submitted 22 May 2026 0m 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 18m away

  Erection of mansard roof extension.

  Granted Full applications Extension Loft or dormer 11 docs

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

  P2023/0496/FUL Submitted 16 Feb 2023 50m 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 59m 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  Withdrawn Lawful development Extension Loft or dormer +1 7 docs

• 64, MARLBOROUGH ROAD, N19

  992442 Submitted 1 Dec 1999 61m away

  Construction of roof extension, including rear terrace and conversion to one x 1-bedroom flat on ground floor and one 2-bedroom maisonette on upper floors APPLICANT'S PLAN NOS.: 9911/01. 02. 03. 04. 05. 06 and letter dated 17th February 2000

  Granted Full applications Extension 1 doc

• P2026/2323/FUL Status unknown

  146 St John Street, London, EC1V 4UA

  Alteration, extension and conversion of existing mixed-use buildings (office and

  7 Sep 2026 Householder
• P2026/1890/FUL Granted

  17 Belitha Villas, London, N1 1PE

  External lighting to front elevation, bin store and garden sauna to rear garden.

  21 Jul 2026 Householder
• P2026/2288/FUL Status unknown

  34 Sudeley Street, London, N1 8HW

  Retrospective application for reroofing the hidden front 'butterfly roof and rea

  4 Sep 2026 Householder
• P2026/1899/FUL Granted

  8 Sidney Grove, London, EC1V 7LP

  Proposed infilling of front first floor and second floor terrace areas and inser

  24 Jul 2026 Householder
• P2026/1627/FUL Granted

  5 Cumberland Gardens, London, WC1X 9AF

  Installation of stone paving to front steps, installation of ASHP in garden and

  22 Jun 2026 Householder