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Planning application

180 Cat Hill Barnet EN4 8HU

Granted Barnet 25/4135/HSE Householder Application

Works: Extension Small 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

Single storey side/rear extension (amended)

As published by the council, reference 25/4135/HSE

Application record

Reference
25/4135/HSE
Type
Householder Application
Status
Approved subject to conditions
Decision
Approve subject to conditions
Received
14 Oct 2025
Validated
3 Nov 2025
Decided
23 Dec 2025
Ward
East Barnet
Decision by
Delegated Decision
Postcode
EN4 8HU

Site history

Applications at this address on the Barnet register

This site has had 4 applications since 2021: 3 approved, 1 refused.

  • 25/4134/PNH Granted

    180 Cat Hill Barnet EN4 8HU

    Single storey rear extension with a proposed depth of 4.45 metres, maximum height of 3.0 metres and eaves height of 2.8 metres.

    Decided 21 Nov 2025 Prior approval
  • 25/3390/PNH Refused

    180 Cat Hill Barnet EN4 8HU

    Single storey rear extension with a depth of 4.50 metres, maximum height of 3.40 metres and eaves height of 3.20 metres. Adjoining onto the existing extension.

    Decided 9 Sep 2025 Prior approval
  • TPP/0780/21 Granted

    180 Cat Hill Barnet EN4 8HU

    1 x Chestnut (applicant's ref. T1) - Lift to 3.8 meters. Thin by 25%. Standing in T1 of Tree Preservation Order.

    Decided 23 Nov 2021 Trees

Timeline

Dates from the published record

  1. 14 Oct 2025

    Received by Barnet

  2. 3 Nov 2025

    Validated

    Checked as complete and ready for consideration.

  3. 23 Dec 2025

    Decision issued: Approve subject to conditions

  4. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file, an architecture practice

41 applications on PlanIndex · across 7 councils · 63% granted

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Documents

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

6 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.

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What this grant of permission means

Barnet granted permission on 23 December 2025, 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 500 metres

  • 180 Cat Hill Barnet EN4 8HU

    25/3390/PNH Submitted 13 Aug 2025 0m away

    Single storey rear extension with a depth of 4.50 metres, maximum height of 3.40 metres and eaves height of 3.20 metres. Adjoining onto the existing extension.

    Refused Prior approval Extension 6 docs
    Small domestic

  • 180 Cat Hill Barnet EN4 8HU

    TPP/0780/21 Submitted 28 Sep 2021 0m away

    1 x Chestnut (applicant's ref. T1) - Lift to 3.8 meters. Thin by 25%. Standing in T1 of Tree Preservation Order.

    Granted Trees 3 docs

  • 180 Cat Hill Barnet EN4 8HU

    25/4134/PNH Submitted 14 Oct 2025 6m away

    Single storey rear extension with a proposed depth of 4.45 metres, maximum height of 3.0 metres and eaves height of 2.8 metres.

    Granted Prior approval Extension 6 docs
    Small domestic

  • 74 Mansfield Avenue Barnet EN4 8QF

    25/4120/HSE Submitted 14 Oct 2025 85m away

    77% historically approved · decision due ~10 Dec

    First floor rear extension with juliette balcony and addition of two new windows openings. Conversion of the existing garage into habitable room, insertion of window to replace the garage door

    Awaiting decision Householder Extension Windows or glazing 10 docs
    Domestic

  • 74 Mansfield Avenue Barnet EN4 8QF

    26/0016/HSE Submitted 5 Jan 2026 88m away

    77% historically approved · decision due ~4 Mar

    First floor rear extension with juliette balcony and addition of two new windows openings. Reduction of ridge height of main roof of house to its original level

    Awaiting decision Householder Extension Roofing +1 9 docs
    Domestic

  • 34 Cornell Gardens Enfield EN4 8FS

    23/03231/HOU Submitted 4 Oct 2023 135m away

    Single storey rear extension (retrospective).

    Granted Householder Extension 11 docs
    Small domestic

In Barnet

  • 26/3249/HSE Awaiting decision

    19 Rushdene Avenue Barnet EN4 8EN

    New front vehicular access and hardstanding to provide off-street parking space. New retaining wall following demolition of the existing wall and raised planted beds

    7 Sep 2026 Householder
  • 26/3235/HSE Awaiting decision

    26 Mount Pleasant Barnet EN4 9HH

    Replace existing flat roof at ground floor rear elevation with pitched roof and 2no. rooflights

    4 Sep 2026 Householder
  • 26/3222/HSE Awaiting decision

    46 Michleham Down London N12 7JN

    Single storey side/rear extension with 3no. rooflights following demolition of the existing storage/utility structure. Changes to fenestration

    3 Sep 2026 Householder
  • 26/3219/HSE Awaiting decision

    53 Tudor Road Barnet EN5 5NW

    First floor rear extension with front and rear rooflights. Roof extension over existing garage

    2 Sep 2026 Householder
  • 26/3210/HSE Awaiting decision

    47 Pattison Road London NW2 2HL

    New front vehicular access to provide off-street parking. Removal of existing gate and shed, alterations to the existing front boundary wall and installation of close board fencing panels.

    2 Sep 2026 Householder