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Planning application

120 Hillside Gardens Barnet EN5 2NL

Awaiting decision Barnet 26/1762/192 Proposed Lawful Development Certificate

Works: Extension Loft or dormer Windows or glazing

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Roof extension involving hip to gable with rear dormer, juliette balcony, 3no. front facing rooflights. New side gable window. Conversion of garage into habitable room, insertion of window to replace existing front garage door

As published by the council, reference 26/1762/192

Application record

Reference
26/1762/192
Type
Proposed Lawful Development Certificate
Status
Pending Consideration
Received
11 May 2026
Validated
12 May 2026
Ward
Underhill
Postcode
EN5 2NL

Timeline

Dates from the published record

  1. 11 May 2026

    Received by Barnet

  2. 12 May 2026

    Validated

    Checked as complete and ready for consideration.

  3. 25 Jul 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 7 July 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Barnet took a median of 44 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Generative Design Partnership Ltd Agent, a design practice registered in London

Active · incorporated 2005 · London

43 applications on PlanIndex · across 12 councils · 71% granted

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

See their track record

Documents

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

2 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 happens while it is decided

This application is with Barnet for determination, against a statutory target of eight weeks. Over the last year Barnet decided lawful development applications in a median of 28 days. More in our guide to how long planning decisions take.

About lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 124 Mays Lane Barnet EN5 2LS

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  • 87 Hillside Gardens Barnet EN5 2NH

    26/0877/192 Submitted 9 Mar 2026 0.1 miles away

    Conversion of the existing garage into habitable room, insertion of window to replace the garage door. Increase to height and depth of the existing garage. New front porch (amended)

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  • 87 Hillside Gardens Barnet EN5 2NH

    26/1558/HSE Submitted 27 Apr 2026 0.1 miles away

    77% historically approved · decision due ~22 Jun

    Conversion of the existing garage into habitable room, insertion of window to replace the garage door. Increase to height and depth of the existing garage. New front porch

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  • 58 Cedar Lawn Avenue Barnet EN5 2LN

    26/0713/PNH Submitted 24 Feb 2026 0.1 miles away

    Proposed ground floor rear extension with a maximum depth of 4.0m, a maximum height of 4.0m and an eaves height of 2.98m

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  • 43 Cedar Lawn Avenue Barnet EN5 2LP

    26/0486/192 Submitted 9 Feb 2026 0.1 miles away

    80% historically approved · decision due ~6 Apr

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  • 106 Mays Lane Barnet EN5 2LL

    25/3512/CON Submitted 26 Aug 2025 0.1 miles away

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    Granted Conditions Windows or glazing 9 docs

In Barnet

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    Received 21 May, published by the council 16 Aug 2026 Lawful development
  • 26/2059/192 Refused

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    Received 3 Jun, published by the council 16 Aug 2026 Lawful development
  • 26/2066/192 Granted

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    Received 3 Jun, published by the council 16 Aug 2026 Lawful development
  • 26/2525/192 Granted

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    Single storey rear extension

    Received 6 Jul, published by the council 9 Aug 2026 Lawful development