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Planning application

19 Thornhill Crescent, London, N1 1BJ

Refused Islington P2024/0593/FUL Full Planning (Householder)

Works: Extension Domestic

Read from the description, not a valuation. How we read the register

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Erection of an extension at rear lower ground floor level

As published by the council, reference P2024/0593/FUL

Application record

Reference
P2024/0593/FUL
Type
Full Planning (Householder)
Status
Refused As published: FINAL DECISION
Decision
Refused As published: Refusal of permission
Received
5 Mar 2024
Validated
3 Sep 2024
Decided
21 Jan 2025
Ward
Barnsbury
Decision by
Delegated
Postcode
N1 1BJ

Site history

Applications at this address on the Islington register

This site has had 6 applications since 2024: 4 approved, 2 refused.

  • P2026/1608/LBC Granted

    19, Thornhill Crescent, London, N1 1BJ

    Listed Building Consent application in connection with the construction of a low

    Decided 8 Sep 2026 Heritage and listed buildings
  • P2026/1609/FUL Granted

    19 Thornhill Crescent, London, N1 1BJ

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

    Decided 8 Sep 2026 Householder
  • P2025/2562/FUL Granted

    19 Thornhill Crescent, London, N1 1BJ

    Construction of a part width extension at rear lower ground floor level, creatio

    Decided 18 Feb 2026 Householder
  • P2025/2563/LBC Granted

    19 Thornhill Crescent, London, N1 1BJ

    Listed Building Consent in connection with the construction of a part width exte

    Decided 18 Feb 2026 Heritage and listed buildings
  • P2024/0610/LBC Refused

    19 Thornhill Crescent, London, N1 1BJ

    Listed Building Consent in connection with the erection of an extension at rear lower ground floor level

    Decided 21 Jan 2025 Heritage and listed buildings

Timeline

Dates from the published record

  1. 5 Mar 2024

    Received by Islington

  2. 3 Sep 2024

    Validated

    Checked as complete and ready for consideration.

  3. 21 Jan 2025

    Decision issued: Refusal of permission

  4. 11 Oct 2026

    Added to PlanIndex

Documents

Plans, drawings, consultee responses and the officer's report

26 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Watch members (£5 a month) open the document list from here.

Open the documents

What this refusal means

Islington refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.

About householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 19 Thornhill Crescent, London, N1 1BJ

    P2024/0610/LBC Submitted 5 Mar 2024 50 yards away

    Listed Building Consent in connection with the erection of an extension at rear lower ground floor level

    Refused Heritage and listed buildings Extension 2 docs

  • 21, THORNHILL CRESCENT, N1

    992237 Submitted 9 Nov 1999 50 yards away

    Listed Building Consent in connection with internal alterations, new windows and removal of render in connection with the refurbishment of the property. APPLICANT'S PLAN NOS.: 10697/03, 04 as existing; 10697/02A and unnumbered sketches of rear conservatory details, rear basement doors and mansard level casement windows

    Granted Heritage and listed buildings Extension Loft or dormer +1 1 doc

  • The Wooden House, 4A Crescent Street, London, N1 1BT

    P2026/0887/FUL Submitted 31 Mar 2026 50 yards away

    Replacement of existing timber framed doors/windows with aluminium framed doors/

    Granted Householder Windows or glazing
    Domestic

  • 4 Crescent Street, London, N1 1BT

    P2026/0276/FUL Submitted 20 Feb 2026 50 yards away

    Erection of single storey part rear extension (following demolition of existing

    Granted Householder Extension Demolition
    Small domestic

  • 15, Huntingdon Street, London, N1 1BU

    P2025/0055/TRE Submitted 8 Jan 2025 50 yards away

    99% historically approved · decision due ~7 Mar

    London plane (T1) - Reduce crown back to previous most recent cuts (approx 1.5-2m reduction), to restrict root growth and let more light into the property.

    Decided Trees

  • 24 Thornhill Crescent, London, N1 1BJ

    P2025/2503/TRE Submitted 17 Oct 2025 50 yards away

    Ground works and associated root severance to install root barrier (16m in leng

    Granted Trees

In Islington

  • P2026/2615/FUL Awaiting decision

    23 Framfield Road, London, N5 1UU

    Erection of outrigger dormer extension and all associated works.

    Received 2 Oct, published by the council 11 Oct 2026 Householder
  • P2026/2593/FUL Awaiting decision

    1 Wyatt Road, London, N5 2JU

    Erection of mansard roof extension.

    Received 1 Oct, published by the council 2 Oct 2026 Householder
  • P2026/2124/FUL Granted

    13 Willow Bridge Road, London, N1 2LB

    Installation of mechanical plant comprising air source heat pumps and an air han

    Received 7 Aug, published by the council 19 Aug 2026 Householder
  • P2026/0821/FUL Granted

    32 Harberton Road, London, N19 3JR

    Retention of 1x bike store and 1x bin store within front garden

    Received 26 Mar, published by the council 25 Jul 2026 Householder
  • P2026/2571/FUL Awaiting decision

    3 Sotheby Road, London, N5 2UP

    Proposed replacement front boundary wall with railings, front garden alterations to enlarge lightwell, cycle and refuse storage and refurbished stone front steps.

    Received 29 Sep, published by the council 11 Oct 2026 Householder