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Planning application

HGY/2021/1733

3, Walpole Road, London, N17 6BE

Decided Haringey Lawful development: Proposed use

Proposal

Certificate of lawfulness for the formation of a rear dormer, including the insertion of 2 front rooflights, 1 side elevation window. Erection of single storey rear extension and installation of inline PV panels to front roof slope and rear extension. Installation of ASHP to rear elevation - proposed use.

As published by the council, reference HGY/2021/1733

Timeline

Dates from the published record

  1. 1 Jun 2021

    Received by Haringey

  2. 27 Jul 2021

    Decision issued: Permission Required CoL

  3. 28 Jul 2026

    Added to PlanIndex

After the decision

The process from here

The council has decided this application; the published outcome sits in the record above and the decision notice on the council portal carries the detail, including any conditions.

If permission was granted, work must normally begin within three years of the decision. If it was refused, the applicant can appeal within the statutory time limit or submit a revised scheme.

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/2026/0105 Granted

    8 Downhills Way, Tottenham, London, N17 6BA

    Certificate of lawfulness for proposed use: Loft conversion with erection of rear dormer and insertion of 1no. front rooflight. Erection of a single storey rear extension with a monopitched roof and 2no. rooflights. Construction of outbuilding with 2no. rooflights to replace existing garden shed in rear garden.

    20 Feb 2026 101m away Lawful development
  • HGY/2025/3547 Granted

    108 Downhills Park Road, Tottenham, London, N17 6NY

    Demolition of the existing garage at the end of the property's rear garden and the erection of a single storey, 1-bedroom, self-contained residential annexe.

    23 Feb 2026 154m away Householder
  • HGY/2026/1172 Granted

    161 Higham Road, Tottenham, London, N17 6NX

    Erection of a single storey ground floor rear extension

    27 Apr 2026 167m away Householder
  • HGY/2026/0434 Refused

    67 Belmont Road, Tottenham, London, N17 6AT

    Lawful development: Proposed use for the formation of a rear dormer roof extension with installation of rooflights to front slope

    17 Feb 2026 226m away Lawful development
  • HGY/2026/1558 Awaiting decision

    83 Belmont Road, Tottenham, London, N17 6AT

    Replacement of timber sash windows with double-glazed uPVC windows.

    3 Jun 2026 226m away Full applications
  • HGY/2026/1349 Awaiting decision

    79 Belmont Road, Tottenham, London, N17 6AT

    Replacement of existing timber single glazed windows with uPVC windows at front, rear and side elevations.

    13 May 2026 226m away Full applications

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