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Planning application

28 Allison Road, Hornsey, London, N8 0AT

Granted Haringey HGY/2026/1964 Lawful development: Proposed use

Works: Extension

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

Certificate of Lawfulness Proposed: Proposed outrigger extension.

As published by the council, reference HGY/2026/1964

Application record

Reference
HGY/2026/1964
Type
Lawful development: Proposed use
Status
Decision Made
Decision
Granted As published: Permitted Development
Received
13 Jul 2026
Validated
13 Jul 2026
Decided
31 Jul 2026
Ward
Harringay
Decision by
Delegated Decision
Postcode
N8 0AT

Site history

Applications at this address on the Haringey register

This site has had 3 applications since 2026: 2 approved, 0 refused.

  • HGY/2026/2481 Awaiting decision

    28 Allison Road, Hornsey, London, N8 0AT

    Rear L shaped dormer with rooflights on front slope plus a roof terrace over part of rear addition roof

    Submitted 4 Sep 2026 Householder
  • HGY/2026/1974 Granted

    28 Allison Road, Hornsey, London, N8 0AT

    Formation of rear dormer with rooflights on front slope.

    Decided 28 Aug 2026 Householder

Timeline

Dates from the published record

  1. 13 Jul 2026

    Received by Haringey

  2. 31 Jul 2026

    Decision issued: Permitted Development

  3. 31 Jul 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

11 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Haringey granted permission on 31 July 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.

About lawful development applications

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.

Nearby applications

Within 0.3 miles

  • 78 Allison Road, Hornsey, London, N8 0AT

    HGY/2024/2545 Submitted 16 Sep 2024 50 yards away

    The proposal replaces the existing timber sash windows with modern Casement UPVC units.

    Granted Full applications Windows or glazing 10 docs

  • 28 Allison Road, Hornsey, London, N8 0AT

    HGY/2026/2481 Submitted 4 Sep 2026 50 yards away

    90% historically approved · decision due ~30 Oct

    Rear L shaped dormer with rooflights on front slope plus a roof terrace over part of rear addition roof

    Awaiting decision Householder Loft or dormer 6 docs
    Domestic

  • 42 Allison Road, Hornsey, London, N8 0AT

    HGY/2026/2220 Submitted 5 Aug 2026 50 yards away

    90% historically approved · decision due ~30 Sep

    Certificate of Lawfulness (proposed) for single-storey rear extension, rear dormer roof extension and rooflights on dormers and front facing roof.

    Awaiting decision Lawful development Extension Loft or dormer 6 docs
    Small domestic

  • 70 Allison Road, Hornsey, London, N8 0AT

    HGY/2026/0735 Submitted 16 Mar 2026 50 yards away

    Rear dormer and outrigger roof extension, rear terrace to outrigger extension and two front rooflights.

    Granted Householder Extension Loft or dormer 14 docs
    Domestic

  • 42 Allison Road, Hornsey, London, N8 0AT

    HGY/2026/2219 Submitted 1 Sep 2026 50 yards away

    90% historically approved · decision due ~27 Oct

    Single-storey side-return infill extension and installation of AC condenser units.

    Awaiting decision Householder Extension 6 docs
    Small domestic

  • 28 Allison Road, Hornsey, London, N8 0AT

    HGY/2026/1974 Submitted 14 Jul 2026 50 yards away

    Formation of rear dormer with rooflights on front slope.

    Granted Householder Loft or dormer 10 docs
    Domestic

In Haringey

  • HGY/2026/2285 Granted

    13 Woollaston Road, Hornsey, London, N4 1SD

    Certificate of Lawfulness (proposed) for loft conversion with rear dormer extension.

    Received 14 Aug, published by the council 22 Aug 2026 Lawful development
  • HGY/2026/2357 Granted

    40 Falmer Road, Tottenham, London, N15 5BA

    Lawful development Certification for proposed erection of rear roof extension and insertion of front rooflight

    Received 21 Aug, published by the council 4 Oct 2026 Lawful development
  • HGY/2026/2692 Granted

    125 High Cross Road, Tottenham, London, N17 9NR

    Lawful development: Proposed use for change of use within Class E to a Nail shop (Class E(c)(iii))

    Received 29 Sep, published by the council 4 Oct 2026 Lawful development
  • HGY/2026/2637 Granted

    30 Gloucester Road, Tottenham, London, N17 6DH

    Lawful development: Proposed use. Loft conversion including 2x roof lights and L-shaped box dormer to the rear roof slopes with materials to match existing materials on main roof

    Received 21 Sep, published by the council 4 Oct 2026 Lawful development
  • HGY/2026/2420 Granted

    50 St Loys Road, Tottenham, London, N17 6UD

    Certificate of Lawfulness: Proposed erection of an L-shaped rear dormer including the insertion of 2nos. front rooflights.

    Received 28 Aug, published by the council 7 Sep 2026 Lawful development