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Planning application

499a Hornsey Road, London, N19 3QL

Granted Islington P2026/1710/COL Certificate of Lawfulness (Existing)

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

Proposal

Certificate of Lawfulness (Existing) for the use of the 1st, 2nd and 3rd floors

As published by the council, reference P2026/1710/COL

Application record

Reference
P2026/1710/COL
Type
Certificate of Lawfulness (Existing)
Status
Granted As published: FINAL DECISION
Decision
Granted As published: Approve with no conditions
Received
29 Jun 2026
Validated
5 Aug 2026
Decided
11 Sep 2026
Ward
Hillrise
Decision by
Delegated
Postcode
N19 3QL

Timeline

Dates from the published record

  1. 29 Jun 2026

    Received by Islington

  2. 5 Aug 2026

    Validated

    Checked as complete and ready for consideration.

  3. 8 Aug 2026

    Added to PlanIndex

  4. 11 Sep 2026

    Decision issued: Approve with no conditions

Who's behind it

Company information only, from the register and Companies House

ASHGROVE INVESTMENTS LTD. Applicant

Active · incorporated 1996

2 applications 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 this grant of permission means

Islington granted permission on 11 September 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

  • 487, HORNSEY ROAD, LONDON, N19 3QL

    P2025/0505/COL Submitted 19 Feb 2025 50 yards away

    85% historically approved · decision due ~16 Apr

    Certificate of Lawfulness (Existing) for use of the basement as a 1-bedroom self-contained flat, rear ground floor as a 1-bedroom self-contained flat, 1st floor as a 1-bedroom self-contained flat and a self-contained studio flat, 2nd floor as two 1-bedroom self-contained flats, and 3rd floor as two 1-bedroom self-contained flats (Class C3)

    Decided Lawful development New dwelling 7 docs

  • 483 Hornsey Road, London, N19 3QL

    P2021/1847/PRA Submitted 24 Jun 2021 50 yards away

    Prior Approval for change of use from Class A1 [Retail] to Class C3 [Residential] under The Town and Country Planning (General Permitted Development) (England) Order 2015 Class M.

    Refused Prior approval 24 docs

  • 512-514 Hornsey Road, London, N19 3QN

    P2026/1428/FUL Submitted 3 Jun 2026 50 yards away

    Amendments to the ground floor front elevation including alterations to fenestration, materials, and external detailing.

    Granted Full applications Windows or glazing 12 docs

  • 512-514, HORNSEY ROAD, N19

    992108 Submitted 22 Oct 1999 50 yards away

    Alterations and extension at the side, rear and roof level in connection with provision of two x 3-bedroom houses, three x 2-bedroom flats and three x 1-bedroom flats and retention of ground floor shops and removal of projecting single storey front and side extensions. APPLICANT'S PLAN NOS.: U990808-SK01H, U990809-15G, 16G, 18C

    Granted Full applications New dwelling Extension
    Small domestic

  • 512-514 Hornsey Road, London , N19 3QN

    P2021/2100/PRA Submitted 16 Jul 2021 50 yards away

    Prior Approval Application for a Change of use of the basement and ground floor of 512 Hornsey Road from retail (Use Class E) into two residential dwellings (Use Class C3).

    Refused Prior approval 13 docs

  • 512-514 Hornsey Road , London , N19 3QN

    P2021/2104/PRA Submitted 16 Jul 2021 50 yards away

    Prior Approval Application for a Change of use of the basement and ground floor of 514 Hornsey Road from retail (Use Class E) into one residential dwelling (Use Class C3).

    Refused Prior approval 13 docs
    Domestic

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