Council planning record

Certificate of Lawfulness (Existing) to confirm the use of the Basement (Flat D) as a self-contained residential flat (Class C3)

Basement Flat, 191 Blackstock Road, London, N5 2LL

FINAL DECISIONReference: P2026/0076/COLLondon Borough of Islington

Last published check: 3 Oct 2026, 06:57. Check the council record for more recent changes.

Application location

Basement Flat, 191 Blackstock Road, London, N5 2LL

This record has no verified map location.

Application summary

Status
FINAL DECISION
Application type
Certificate of Lawfulness (Existing)
Received
12 Jan 2026
Validated
22 Apr 2026
Determination deadline
22 Apr 2026
Local authority
London Borough of Islington

Application overview

Certificate of Lawfulness (Existing) to confirm the use of the Basement (Flat D) as a self-contained residential flat (Class C3)

Proposal details

Reference
P2026/0076/COL
Alternative references
PP-14405133
Ward
Highbury
Agent
Architects
UPRN
10012789295

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Documents 15 of 15

DocumentPublishedAction
Application Form - Without Personal DataApplication Form - Redacted12 Jan 2026View
Council tax screenshotApplication Supporting Documents12 Jan 2026View
Meter 191DApplication Supporting Documents12 Jan 2026View
Council Tax screenshotApplication Supporting Documents12 Jan 2026View
File Size: 150275, Reference: Additional plansApplication Supporting Documents12 Jan 2026View
File Size: 869676, Reference: Block plan of the siteApplication Supporting Documents12 Jan 2026View
File Size: 657458, Reference: The location planApplication Supporting Documents12 Jan 2026View
EPC x3Application Supporting Documents12 Jan 2026View
Letter from Kinglsey Estate AgentsApplication Supporting Documents12 Jan 2026View
Meter basement flatApplication Supporting Documents12 Jan 2026View
Evidence summaryApplication Supporting Documents12 Jan 2026View
Ground and BasementApplication Supporting Documents12 Jan 2026View
REVISED Redacted Application form 16-02-26Application Form - Redacted16 Feb 2026View
Decision NoticeDecision Notice21 May 2026View
Delegated ReportDelegated Report21 May 2026View

Documents open on the council website. Browse council documents if a link has changed.

Application timeline

Council milestones and published deadlines. A deadline passing does not confirm a decision.

  1. Application date

    Published milestoneCouncil source
  2. Received date

    Published milestoneCouncil source
  3. Registration date

    Published milestoneCouncil source
  4. Decision due date

    Past published deadline

    A published target or deadline. It does not confirm an outcome.

    Council source
  5. Valid date

    Published milestoneCouncil source
  6. Dispatch date

    Published milestoneCouncil source
  7. Decision date

    Published milestoneCouncil source

Decision & conditions

Approve with no conditions
Decision Notice
Planning conditions
  1. Sufficient information has been submitted to demonstrate that on the ‘balance of probability’ the use of the Basement (Flat D) as a self-contained residential flat (Class C3), has been continuously occupied for a period in excess of four years and is therefore, immune from enforcement action by virtue of s171b of the Town and Country Planning Act 1990 (as amended).
  2. Evidence continuous use as separate Flat since 2015; Drawing 0396_98)006 Existing Flats C & C Location Plan; Drawing 0396_98_101 – Existing Flats C & D Existing Ground Floor Plan Flat C Existing Basement Flat D; Bank transactions dated from 22/01/2021 to 27/09/2023 identified/described as ‘MONSOON GROU 191D BLACKST’; Bank statement dated from 27/07/2023 to 28/04/2025 identified/described as ‘G Mantello’; Bank statement dated from 27/07/2023 to 28/11/2025 identified/described as ‘G Mantello’; Bank statement dated from 26/02/2021 to 03/12/2025 identified/described as 'RE KINGSLY CLIENT 191C’; Screenshot from DirectGov website outlining Council Tax band details (with effect from 1 September 2003) for Flat D 191 Blackstock Road from 2003 (last updated 25/07/20216; Screenshot from tax.service.gov website outlining Council Tax band details (with effect from 1 September 2003) for FLAT C 191 Blackstock Road; Screenshot from tax.service.gov website outlining Council Tax band details (with effect from 1 September 2003) for FLAT D 191 Blackstock Road; Screenshot from findmysupplier website with meter point reference number for FLAT D 191 BLACKSTOCK ROAD, undated; Screenshot from findmysupplier website with meter point reference number for BASEMENT FLAT 191 BLACKSTOCK ROAD, undated; EPC Certificate 0616-2852-7848-9204-4765 to 2 April 2024 identifying ‘Ground floor studio 191 Blackstock Road’ at 85sqm; EPC Certificate 8067-7220-1889-6573-7996 to 17 October 2023 identifying ‘Ground floor studio 191 Blackstock Road’ at 20sqm; EPC Certificate 0560-2856-7561-2090-4115 to 15 June 2030 identifying ‘191c Blackstock Road’ at 27sqm; Letter from Kinglsey Estate Agents dated 19/06/2025; Assured Shorthold Tenancy Agreement for Flat D, 191 Blackstock Road dated 04/07/2023 (6 month agreement); Guaranteed Rent Agreement for 191d Blackstock Road dated 27/04/2018 to 26/04/2022 (48 months); Guaranteed Rent Agreement for 191c Blackstock Road dated 22/07/2020 (36 months);
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