Dyne House, Southwood Lane, Hornsey, London, N6 5EE

This site has had 2 applications since 2023.

• HGY/2023/0328 Awaiting decision

  Dyne House, Southwood Lane, Hornsey, London, N6 5EE

  Redevelopment of Dyne House, to include: 1) Retention, refurbishment, extension and basement works to the principal five storey Dyne House structure (plus plant and lift over run); 2) Demolition and redevelopment of the rear extension and associated buildings to the rear, with erection of a new part one and part two storey structure, together with new basement levels; 3) Retention of the Parade Ground open space, with new multi-use surface; 4) Associated improvements to the Island Site access and underground tunnel, including: demolition of existing service block and erection of a replacement part one and part two storey structure; and 5) Associated landscaping and improved provision for emergency services, servicing and disabled parking.

  Submitted 8 Mar 2023 Full applications

1. 8 Mar 2023

   Received by Haringey

2. 23 Sep 2026

   Added to PlanIndex

3. Decision

   Awaiting decision

   Decision expected by 3 May 2023, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

   Haringey took a median of 54 days over the applications it decided in the last year.

This application is with Haringey for determination, against a statutory target of eight weeks. Over the last year Haringey decided heritage and listed building applications in a median of 82 days. More in our guide to how long planning decisions take.

Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.

• Dyne House, 14 Southwood Lane, Hornsey, London, N6 5EE

  HGY/2024/2130 Submitted 6 Aug 2024 50 yards away

  Works to trees protected by an Area TPO. G1: 5 x Sycamore (16m): Crown thin by 30% and crown lift to 5m to allow more light into 17-19 Kingsley Place, to keep tree at a size suitable for its location and as part of regular maintenance. Trees are located on land adjacent to the Parade Ground behind 17-19 Kingsley Place

  Granted Trees 4 docs

• Dyne House, Southwood Lane, Hornsey, London, N6 5EE

  HGY/2023/0328 Submitted 8 Mar 2023 50 yards away

  83% historically approved · decision due ~3 May

  Redevelopment of Dyne House, to include: 1) Retention, refurbishment, extension and basement works to the principal five storey Dyne House structure (plus plant and lift over run); 2) Demolition and redevelopment of the rear extension and associated buildings to the rear, with erection of a new part one and part two storey structure, together with new basement levels; 3) Retention of the Parade Ground open space, with new multi-use surface; 4) Associated improvements to the Island Site access and underground tunnel, including: demolition of existing service block and erection of a replacement part one and part two storey structure; and 5) Associated landscaping and improved provision for emergency services, servicing and disabled parking.

  Awaiting decision Full applications Extension Demolition 203 docs

• 22 Southwood Lane, Hornsey, London, N6 5EE

  HGY/2026/0168 Submitted 20 Jan 2026 50 yards away

  Oak + Maple - Crown reduce the height and spread back to the most historical pruning points (approx. 1.8m height and 1.5m spread) Crown thin/remove smaller branches in the inner canopy Reduce the extremities of branches growing towards the lamppost to give a clearance of 1.0m respectively Remove dead wood 2 x Lime - Crown reduce the height and spread back to the previous pollard points (approx. 2m height and 1.5m spread) leave growth growing laterally along boundary fence to act as screening up to a height of 4.0m-4.5m Remove basal growth Maintenance works in line with good arboricultural practice

  Granted Trees 3 docs
  Small domestic

• Dyne House, Highgate School, Southwood Lane, London, N6 5EE

  HGY/2026/1056 Submitted 16 Jun 2026 50 yards away

  Certificate of lawfulness for the replacement of the existing single glazed windows on Dyne House building with double glazed windows.

  Withdrawn Lawful development Windows or glazing 15 docs

• Highgate School, North Road, Hornsey, London, N6 4AY

  HGY/2024/2960 Submitted 28 Oct 2024 100 yards away

  T29: Plum (5m): Fell as splitting out

  Granted Trees 3 docs

• Highgate School, North Road, Hornsey, London, N6 4AY

  HGY/2025/3386 Submitted 4 Dec 2025 100 yards away

  Works to trees protected by a TPO. T114: Common Ash (10m): Fell – Dead tree failed at base, hung up over boundary in neighbouring tree T115: Common Ash (20m): Fell – Large dead or dying tree leaning towards the neighbouring property

  Granted Trees 10 docs

• HGY/2026/2049 Granted

  Flat 10, The Gables, Fortis Green, Hornsey, London, N10 3EA

  Internal refurbishment and repair works to Grade II listed flat, including repair and restoration of historic features, replacement of internal doors, kitchen and bathroom refurbishment, installation of secondary glazing, fireplace reinstatement, and upgrading of building services.

  Received 20 Jul, published by the council 28 Jul 2026 Heritage and listed buildings
• HGY/2026/1031 Granted

  Channing School, Highgate Hill, Hornsey, London, N6 5HF

  Listed building consent for internal works to the floorplans over lower-ground, ground and first floor and second floor levels, and installation of replacement escape door and two louvres on the street elevation at the lower-ground level.

  Received 16 Jun, published by the council 24 Jul 2026 Heritage and listed buildings
• HGY/2026/2495 Awaiting decision

  High Point 2, North Hill, Hornsey, London, N6 4AZ

  Listed Building Consent for repair and decoration works to Highpoint II facades - areas of rendered façade, steel windows and areas of tiled cladding.

  Received 7 Sep, published by the council 13 Sep 2026 Heritage and listed buildings
• HGY/2026/1812 Granted

  Flat 10, 135 Alexandra Park Road, Wood Green, London, N22 7UL

  Listed building consent (Alt/Ext) for the installation of 2no. rooflights.

  Received 26 Jun, published by the council 24 Jul 2026 Heritage and listed buildings
• HGY/2026/1836 Awaiting decision

  84 Highgate High Street, Hornsey, London, N6 5HX

  Listed Building Consent (part retrospective) for internal alterations; removal of existing staircase; proposed new internal staircase; fitting of new bathroom and kitchen; internal partition walls, with removal of existing partition walls; new timber stud frame to ground floor; and associated changes. Replacement of rear glass roof.

  Received 14 Aug, published by the council 22 Aug 2026 Heritage and listed buildings