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Planning application

36 Thornhill Road, London, N1 1HW

Granted Islington P2025/3125/FUL Full Planning (Householder)

Works: Extension Domestic

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

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

Proposal

Extension of the existing basement

As published by the council, reference P2025/3125/FUL

Application record

Reference
P2025/3125/FUL
Type
Full Planning (Householder)
Decision
Granted As published: Approve with conditions
Received
6 Nov 2025
Validated
6 Nov 2025
Decided
11 Feb 2026
Postcode
N1 1HW

Site history

Applications at this address on the Islington register

This site has had 3 applications since 2025: 3 approved, 0 refused.

  • P2026/1527/AOD Granted

    36 Thornhill Road, London, N1 1HW

    Approval of details pursuant to Condition 4 (Construction Management Plan) of pl

    Decided 5 Aug 2026
  • P2025/3127/FUL Granted

    36 Thornhill Road, London, N1 1HW

    Extension of existing mansard roof and replacement of existing roof terrace gla

    Decided 12 Mar 2026 Householder

Timeline

Dates from the published record

  1. 6 Nov 2025

    Received by Islington

  2. 11 Feb 2026

    Decision issued: Approve with conditions

  3. 8 Aug 2026

    Added to PlanIndex

What this grant of permission means

Islington granted permission on 11 February 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 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

  • 36 Thornhill Road, London, N1 1HW

    P2026/1527/AOD Submitted 18 Jun 2026 50 yards away

    Approval of details pursuant to Condition 4 (Construction Management Plan) of pl

    Granted
  • 36 Thornhill Road, London, N1 1HW

    P2025/3127/FUL Submitted 13 Nov 2025 50 yards away

    Extension of existing mansard roof and replacement of existing roof terrace gla

    Granted Householder Extension Loft or dormer
    Domestic
  • 30 Thornhill Road, London, N1 1HW

    P2026/0367/FUL Submitted 26 Feb 2026 50 yards away

    Change of use of part of the ground floor from retail/commercial (Use Order Clas

    Withdrawn Full applications
  • 6A Thornhill Road, London, N1 1HW

    P2025/2464/FUL Submitted 1 Sep 2025 50 yards away

    Erection of ancillary outbuilding in rear garden.

    Granted Householder
    Small domestic
  • 8 Albion Mews, London, N1 1JX

    P2024/1357/S73 Submitted 25 Apr 2024 50 yards away

    Variation of Condition 2 of Planning Permission ref: P2024/0264/FUL dated 28/03/2024 which sought permission to ‘Replace garage door with a single window. Replace glass roof to rear extension with insulated tile roof.’ This application seeks to change the material of the insulated roof to a rubber roof.

    Withdrawn Amendments Extension Windows or glazing 7 docs
  • 11 Malvern Terrace, London, N1 1HR

    P2024/0044 Submitted 4 Jan 2024 50 yards away

    Approval of Details Pursuant of Condition (3) MATERIALS (DETAILS): e) Details of new fireplaces including grate and surround of Planning permission reference P2022/3211/LBC, dated 03/11/2022 Single storey rear extension (following the demolition of existing single storey outbuilding and rear extensions). Replacement of non-original casement windows with timber sash windows. Internal alterations.

    Granted Conditions Extension Demolition +1 5 docs
    Small domestic

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