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Planning application

79 Cavendish Road, Hornsey, London, N4 1RR

Granted Haringey HGY/2025/2882 Lawful development: Proposed use

Works: Extension Loft or dormer

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

Proposal

Certificate of lawfulness for the erection of a rear dormer and roof extension including the insertion of 3x front and 1x rear rooflights - proposed use

As published by the council, reference HGY/2025/2882

Application record

Reference
HGY/2025/2882
Type
Lawful development: Proposed use
Status
Decision Made
Decision
Approve
Received
21 Oct 2025
Validated
21 Oct 2025
Decided
30 Jan 2026
Ward
Harringay
Decision by
Delegated Decision
Postcode
N4 1RR

Timeline

Dates from the published record

  1. 21 Oct 2025

    Received by Haringey

  2. 30 Jan 2026

    Decision issued: Approve

  3. 10 Aug 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.

Trade members open them from here.

Open the documents

What this grant of permission means

Haringey granted permission on 30 January 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 500 metres

  • Harringay Seventh Day Adventist Church, Cavendish Road, Hornsey, London, N4 1RS

    HGY/2025/2571 Submitted 13 Jan 2026 31m away

    83% historically approved · decision due ~10 Mar

    Change of Use from F1 (F - Public Worship or Religious Institution) to F2 (Community Use)

    Awaiting decision Full applications 7 docs
  • Harringay Seventh Day Adventist Church, Cavendish Road, Hornsey, London, N4 1RS

    HGY/2026/0480 Submitted 9 Apr 2026 31m away

    83% historically approved · decision due ~4 Jun

    Change of use of existing church/community centre to office use at ground and lower ground floors, with extension of upper floors to form 1x self-contained 2-bedroom residential unit, including associated internal and external alterations.

    Awaiting decision Full applications Extension 11 docs
  • 70 Duckett Road, Hornsey, London, N4 1BW

    HGY/2023/0510 Submitted 21 Feb 2023 45m away

    Replacement of existing rear extension with a wraparound ground floor extension and replacement of rear windows on first floor level with the addition of juliette balconies.

    Refused Full applications Extension Windows or glazing 7 docs
  • 90 Duckett Road, Hornsey, London, N4 1BW

    HGY/2026/0024 Submitted 7 Jan 2026 45m away

    Certificate of lawfulness for existing use of property as HMO (C4) for 6 occupants.

    Granted Lawful development 5 docs
  • 58 Burgoyne Road, Hornsey, London, N4 1AE

    HGY/2025/2499 Submitted 16 Sep 2025 75m away

    Continued use of former health clinic (Use Class D1) as Homeless Supported Housing (Sui Generis Use).

    Granted Full applications 8 docs
  • 447A Green Lanes, Hornsey, London, N4 1HA

    HGY/2025/3216 Submitted 20 Nov 2025 76m away

    Erection of two roof dormers and second floor rear extension to facilitate 2 additional rooms and a new kitchen to existing HMO.

    Refused Full applications Extension Loft or dormer 14 docs

In Haringey

  • HGY/2026/1951 Granted

    105 Alexandra Road, Wood Green, London, N8 0LG

    Certificate of Lawfulness (existing) for continued use of property as two flats (C3)

    10 Jul 2026 Lawful development
  • HGY/2026/2416 Awaiting decision

    Vincent House, 1A Vincent Road, Tottenham, London, N15 3QA

    Certificate of Lawfulness: Existing use of the property as six self-contained flats.

    4 Sep 2026 Lawful development
  • HGY/2026/2154 Awaiting decision

    86 Palmerston Road, Wood Green, London, N22 8RF

    Certificate of Lawfulness Existing: Property was converted from a single dwelling house into 3no. self-contained flats in May 2010.

    2 Sep 2026 Lawful development
  • HGY/2026/2107 Awaiting decision

    83 Lancaster Road, Hornsey, London, N4 4PL

    Certificate of lawfulness (proposed): rear roof terrace.

    2 Sep 2026 Lawful development
  • HGY/2026/2354 Awaiting decision

    118 Philip Lane, Tottenham, London, N15 4JL

    Lawful development: Existing use of first and loft floor levels of No. 118 Philip Lane as two self-contained C3 residential units.

    1 Sep 2026 Lawful development