Council planning record

Construction of a lower ground floor part width extension to the rear.

19 Thornhill Crescent, London, N1 1BJ

FINAL DECISIONReference: P2026/1609/FULLondon Borough of Islington

Last published check: 29 Sept 2026, 23:43. Check the council record for more recent changes.

Application location

19 Thornhill Crescent, London, N1 1BJ

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Application summary

Status
FINAL DECISION
Application type
Full Planning (Householder)
Received
22 Jun 2026
Validated
29 Jun 2026
Determination deadline
16 Aug 2026
Local authority
London Borough of Islington

Application overview

Construction of a lower ground floor part width extension to the rear.

Proposal details

Reference
P2026/1609/FUL
Alternative references
PP-15026113
Ward
Barnsbury
Agent
Mr Theo Jones
UPRN
5300090298

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Documents 22 of 22

DocumentPublishedAction
Application Form - Without Personal DataApplication Form - Redacted20 Jun 2026View
The location planLocation Plan20 Jun 2026View
Design, Access and Heritage StatementApplication Supporting Documents20 Jun 2026View
Sustainable Design and Construction StatementApplication Supporting Documents20 Jun 2026View
Existing and Proposed Full SetExisting & Proposed20 Jun 2026View
Existing and Proposed Lower Ground Floor PlanExisting & Proposed20 Jun 2026View
Existing and Proposed Ground Floor PlanExisting & Proposed20 Jun 2026View
Existing and Proposed First Floor PlanExisting & Proposed20 Jun 2026View
Existing and Proposed Second Floor PlanExisting & Proposed20 Jun 2026View
Existing and Proposed Third Floor PlanExisting & Proposed20 Jun 2026View
Existing and Proposed Roof PlanExisting & Proposed20 Jun 2026View
Existing and Proposed Front ElevationExisting & Proposed20 Jun 2026View
Existing and Proposed Rear ElevationExisting & Proposed20 Jun 2026View
Existing and Proposed Section AExisting & Proposed20 Jun 2026View
Existing and Proposed Section A - DetailExisting & Proposed20 Jun 2026View
Existing and Proposed Section BExisting & Proposed20 Jun 2026View
Existing and Proposed Section CExisting & Proposed20 Jun 2026View
Existing and Proposed Lower Ground Floor DetailExisting & Proposed20 Jun 2026View
Existing and Proposed Ground Floor Detail Plan P1Existing & Proposed20 Jun 2026View
Relationship to Extant Permission (FYNN) dated July 2026Application Supporting Documents3 Sept 2026View
delegated reportDelegated Report8 Sept 2026View
DN FINALDecision Notice8 Sept 2026View

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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. Valid date

    Published milestoneCouncil source
  5. Press notice start date

    Published milestoneCouncil source
  6. Site notice date

    Published milestoneCouncil source
  7. Consultation expiry date

    Past published deadline

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

    Council source
  8. Statutory expiry date

    Past published deadline

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

    Council source
  9. Publicity end date

    Past published deadline

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

    Council source
  10. Site notice end date

    Past published deadline

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

    Council source
  11. Decision due date

    Past published deadline

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

    Council source
  12. Dispatch date

    Published milestoneCouncil source
  13. Decision date

    Published milestoneCouncil source
  14. Extension date

    Past published deadline

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

    Council source

Decision & conditions

Approve with conditions
DN FINAL
Planning conditions
  1. 3 YEAR CONSENT PERIOD: The development hereby permitted shall be begun not later than the expiration of three years from the date of this permission. REASON: To comply with the provisions of Section 91(1)(a) of the Town and Country Planning Act 1990 as amended by the Planning and Compulsory Purchase Act 2004 (Chapter 5).
  2. DRAWING AND DOCUMENT NUMBERS: The development hereby approved shall be carried out in accordance with the following approved plans: Location Plan, Drawings Dated 20.06.26 - GA100 - Lower Ground Floor Plan – P1, GA101 - Ground Floor Plan – P1, GA102 - First Floor Plan – P1, GA103 - Second Floor Plan – P1, GA104 - Third Floor Plan – P1, GA105 - Roof Plan – P1, GA200 - Front Elevation – P1, GA201 - Rear Elevation – P1, GA300 - Section A – P1, GA301 - Section A Detail – P1, GA302 - Section B – P1, GA303 - Section C – P1, DT100 - Lower Ground Floor Detail Plan – P1, DT101 - Ground Floor Detail Plan – P1; Design, Access and Heritage Statement P1 (FYNN) dated June 2026; Sustainable Design and Construction Template 02; Relationship to Extant Permission (FYNN) dated July 2026. REASON: To comply with Section 70(1)(a) of the Town and Country Act 1990 as amended and the Reason for Grant and also for the avoidance of doubt and in the interest of proper planning.
  3. MATERIALS (COMPLIANCE): The development shall be constructed in accordance with the schedule of materials noted on the approved plans and within the Design, Access and Heritage Statement - P1 dated June 2026. The development shall be carried out strictly in accordance with the details so approved and shall be maintained as such thereafter. REASON: In the interest of securing sustainable development and to ensure that the resulting appearance and construction of the development is of a high standard.
  4. CONDITION: The mechanical air extraction and boiler flue vent in the rear lightwell shall be fitted flush to the elevation and shall be so maintained. REASON: In order to safeguard the special architectural or historic interest of the heritage asset.
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