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Planning application

HGY/2026/0996

78 Frobisher Road, Hornsey, London, N8 0QX

Granted Haringey Lawful development: Proposed use

Proposal

Certificate of lawfulness: proposed extension of the loft space into a rear dormer including the insertion of 2x front rooflights.

As published by the council, reference HGY/2026/0996

Timeline

Dates from the published record

  1. 7 Apr 2026

    Received by Haringey

  2. 5 Jun 2026

    Decision issued: Approve

  3. 24 Jul 2026

    Added to PlanIndex

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • HGY/2025/3583 Decided

    84 Frobisher Road, Hornsey, London, N8 0QX

    Erection of single storey extension which extends beyond the rear wall of the original house by 6m, for which the maximum height would be 3m and for which the height of the eaves would be 2.4m

    24 Dec 2025 0m away Prior approval
  • HGY/2026/0559 Refused

    78 Frobisher Road, Hornsey, London, N8 0QX

    Certificate of lawfulness: proposed extension of the loft space with a rear dormer, and insertion of 2x front rooflights.

    2 Mar 2026 0m away Lawful development
  • HGY/2022/4035 Refused

    Flat B, 29 Falkland Road, Hornsey, London, N8 0NS

    Formation of roof extension over the outrigger to create a L shaped dormer.

    7 Nov 2022 45m away Householder
  • HGY/2025/3353 Granted

    89 Frobisher Road, Hornsey, London, N8 0QU

    Replacement of existing timber windows with modern double glazed uPVC units.

    22 Dec 2025 65m away Householder
  • HGY/2022/4265 Granted

    132 Falkland Road, Hornsey, London, N8 0NP

    Erection of a single storey side infill extension to create a larger kitchen and a dormer extensions to the rear roof slope and outrigger and the installation of 2 roof windows to the front sloping roof.

    29 Nov 2022 74m away Householder
  • HGY/2025/3532 Granted

    132 Falkland Road, Hornsey, London, N8 0NP

    Non-Material amendment to planning permission (ref. HGY/2022/4265) for the erection of a single storey side infill extension to create a larger kitchen and a dormer extensions to the rear roof slope and outrigger and the installation of 2 roof windows to the front sloping roof granted on 16/3/2023; namely to remove a 200mm gap between the nos. 132-134 Falkland Road at ground floor level

    19 Dec 2025 74m away Amendments

In Haringey

  • HGY/2026/2104 Granted

    17 Sperling Road, Tottenham, London, N17 6UQ

    Certificate of lawfulness for proposed use: Loft conversion with erection of rear L-shaped dormer and insertion of 2no. front rooflights.

    23 Jul 2026 Lawful development
  • HGY/2026/1307 Granted

    49 Lordsmead Road, Tottenham, London, N17 6EX

    Certificate of lawfulness for the existing use of the property as five separate self-contained flats.

    8 May 2026 Lawful development
  • HGY/2026/1885 Granted

    6, Grainger Road, London, N22 5LT

    Certificate of Lawfulness: Proposed alterations to the roof comprising the installation of 3no. rooflights (2no. front facing and 1no. rear facing).

    6 Jul 2026 Lawful development
  • HGY/2026/1375 Granted

    Flats 1, 2, & 3 149 Crescent Road, Wood Green, London, N22 7RU

    Certificate of lawfulness for the existing use of the property as 3 self-contained flats (comprising of ground floor 2 bed, first floor 2 bed, second floor 1 bed) for more than 4 years.

    14 May 2026 Lawful development
  • HGY/2026/1409 Granted

    492 Archway Road, Hornsey, London, N6 4NA

    Certificate of Lawfulness Existing Use. Use of lower ground floor as two flats (Use Class C3).

    19 May 2026 Lawful development