405 Hornsey Road, London, N19 4DX

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

• P2025/2850/FUL Granted

  405 Hornsey Road, London, N19 4DX

  Erection of mansard roof extension

  Decided 22 Dec 2025 Full applications

1. 17 Feb 2026

   Received by Islington

2. 23 Feb 2026

   Validated

   Checked as complete and ready for consideration.

3. 23 Apr 2026

   Decision issued: Refusal of permission

4. 25 Jul 2026

   Added to PlanIndex

Islington refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

• 405 Hornsey Road, London, N19 4DX

  P2025/2850/FUL Submitted 8 Oct 2025 50 yards away

  Erection of mansard roof extension

  Granted Full applications Extension Loft or dormer

• First And Second Floor Flat, 448 Hornsey Road, London, N19 4EE

  P2026/0034/FUL Submitted 13 Jan 2026 50 yards away

  Proposed first floor rear extension, erection of a mansard roof, floor plan rede

  Granted Full applications Extension Loft or dormer

• 82, Southwood Lane, London, N6 5SP

  CON/2021/0481 Submitted 4 Oct 2021 50 yards away

  3) Yew tree in neighbouring property (Southwood Park) at rear of garden: reduce overhanging growth into 82 Southwood Lane by up to 2.5 metres to provide more light and space to the lawn area. (Works to 1) Horse Chestnut and 2) Beech will be considered separately as they are protected by TPOs)

  Granted Trees 6 docs

• Belgravia Workshops, 157- 163 Marlborough Road, Islington, London, N19 4NF

  P2019/3227/FUL Submitted 29 Oct 2019 50 yards away

  Installation of six units of plant machinery at ground floor level within internal courtyard.

  Granted Full applications 16 docs
  Several homes

• 157-163 Belgravia Workshops, Marlborough Road, London, N19 4NF

  P2019/3228/FUL Submitted 29 Oct 2019 50 yards away

  Installation of canopies and replacement of doors to front elevation.

  Granted Full applications 13 docs

• 450 Hornsey Road, London, N19 4EE

  P2019/3370/PRA Submitted 12 Nov 2019 50 yards away

  Notification for Prior Approval for a Proposed Change of Use of a Building from Launderette (Sui Generis) to Residential (C3).

  Granted Prior approval 5 docs

• P2025/2999/FUL Granted

  85 Charterhouse Street, London, EC1M 6HJ

  Change of Use from existing mixed use (restaurant/nightclub) Sui Generis Use Class to a Class E (Commercial) Use Class across the whole building. Additional works include the creation of a roof level terrace space and the refurbishment of an existing terrace at rear first floor level, new windows to the front and rear elevation, replacement of mechanical plant and machinery at roof level, refurbishment of façade and improvements to the existing entrance.

  Received 22 Oct, published by the council 25 Jul 2026 Full applications
• P2026/1382/FUL Granted

  7, Penn Road, London, N7 9RD

  Replacement of single-glazed windows and doors with double-glazed timber windows

  Received 14 Aug, published by the council 23 Aug 2026 Full applications
• P2026/2568/FUL Awaiting decision

  63, Mowatt Close, London, N19 3XZ

  Replacement of existing windows with double glazed UPVC windows

  5 Oct 2026 Full applications
• P2026/2595/FUL Awaiting decision

  Flat D, 44 Tufnell Park Road, London, N7 0DT

  Erection of a single-storey lower ground floor extension, together with internal alterations to convert the existing self-contained studio flat to a 1-bedroom, 2-person unit

  Received 2 Oct, published by the council 11 Oct 2026 Full applications
• P2026/2514/FUL Status unknown

  4-6 Baltic Street East, London, EC1Y 0UJ

  Replacement timber shopfronts, replacement double-glazed timber casement and sas

  Received 30 Sep, published by the council 1 Oct 2026 Full applications