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Planning application

15, Hillmarton Road, London

Awaiting decision Islington P2026/2181/COL Certificate of Lawfulness (Existing)

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Certificate of lawfulness (Existing) to confirm the use as a large House in Mult

As published by the council, reference P2026/2181/COL

Application record

Reference
P2026/2181/COL
Type
Certificate of Lawfulness (Existing)
Status
Pending As published: VALIDATED
Received
12 Aug 2026
Validated
18 Aug 2026
Ward
Holloway

Timeline

Dates from the published record

  1. 12 Aug 2026

    Received by Islington

  2. 18 Aug 2026

    Validated

    Checked as complete and ready for consideration.

  3. 18 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 13 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Islington took a median of 53 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Hillmarton Ltd Applicant, registered in London

Active · incorporated 2025 · London

1 application on PlanIndex

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

What happens while it is decided

This application is with Islington for determination, against a statutory target of eight weeks. Over the last year Islington decided lawful development applications in a median of 60 days. More in our guide to how long planning decisions take.

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.

In Islington

  • P2026/2548/COL Status unknown

    Flat 5, St Peter's Street Mews, London, N1 8JF

    Certificate of Lawful (Existing) Use for the use of the ground floor property kn

    Received 28 Sep, published by the council 29 Sep 2026 Lawful development
  • P2026/2522/COL Status unknown

    Flat 6, 1-2 St Peter's Street Mews, London, N1 8JF

    Certificate of Lawful (Existing) Use for the use of Flat 6 as a self-contained r

    Received 28 Sep, published by the council 29 Sep 2026 Lawful development
  • P2026/2549/COL Status unknown

    Flat A, 42 Dartmouth Park Hill, London, NW5 1HN

    Certificate of Lawfulness (Existing) for the conversion of Flat A from a 1-bedro

    Received 25 Sep, published by the council 28 Sep 2026 Lawful development
  • P2026/2266/COL Granted

    32 Gillespie Road, London, N5 1LN

    Erection of rear dormer roof extensions to main and outrigger roofs, installatio

    Received 27 Aug, published by the council 2 Sep 2026 Lawful development
  • P2026/2525/COL Status unknown

    10A Rock Street, London, N4 2DN

    Certificate of Lawfulness (Proposed) for use of the site as a 5-person small-sca

    Received 24 Sep, published by the council 25 Sep 2026 Lawful development