119 Highbury Hill, London, N5 1TA

1. 14 Mar 2023

   Received by Islington

2. 9 May 2023

   Decision issued: Approve with no conditions

3. 7 Sep 2026

   Added to PlanIndex

Islington granted permission on 9 May 2023, 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.

• Flat C, 103 Highbury Hill, London, N5 1TA

  P2026/0622/FUL Submitted 11 Mar 2026 50 yards away

  Erection of rear dormer roof extension, installation of skylights to front and s

  Granted Full applications Extension Loft or dormer

• 105 Highbury Hill, London, N5 1TA

  P2026/0448/FUL Submitted 17 Feb 2026 50 yards away

  Replacement of single glazed timber windows with double glazed timber windows, t

  Granted Full applications Windows or glazing

• 111 Highbury Hill, London, N5 1TA

  P2026/1590/FUL Submitted 17 Jun 2026 50 yards away

  Erection of a single-storey ground floor rear extension and associated alteratio

  Granted Householder Extension
  Small domestic

• 129 Highbury Hill, London, N5 1TA

  P2021/2256/FUL Submitted 3 Aug 2021 50 yards away

  Replacement of existing single glazed timber windows and a glazed timber panel door with double glazed timber windows to the front and rear elevations and a glazed timber panel door to the main entrance including installation of replacement slate roof tiles.

  Granted Full applications Roofing Windows or glazing 13 docs

• 109 Highbury Hill, London, N5 1TA

  P2023/0400/FUL Submitted 6 Feb 2023 50 yards away

  Erection of ground floor rear extension; formation of external terrace to outrigger roof with associated double access doors and metal balustrading; installation of 1 no. rooflight to rear roofslope; replacement of single glazed timber framed windows with double glazed timber framed windows to front and rear elevations with associated fenestration alterations and all other associated works

  Granted Householder Extension Loft or dormer +1 14 docs
  Domestic

• Flat A, 110 Highbury Hill, London, N5 1AT

  P2026/1510/FUL Submitted 18 Jun 2026 50 yards away

  Erection of a single-storey rear and side ground floor extension; excavation of

  Granted Full applications Extension
  Small 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