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Planning application

105 Brookside South Barnet EN4 8LL

Awaiting decision Barnet 25/4938/192 Proposed Lawful Development Certificate

Works: Extension Loft or dormer Demolition 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, rear dormer window, 2no. front facing rooflights and new side gable window. Erection of a rear outbuilding following demolition of the existing garage

As published by the council, reference 25/4938/192

Application record

Reference
25/4938/192
Type
Proposed Lawful Development Certificate
Status
Pending Consideration
Received
9 Dec 2025
Validated
15 Dec 2025
Ward
Brunswick Park
Postcode
EN4 8LL

Site history

Applications at this address on the Barnet register

This site has had 2 applications since 2025.

  • 25/4933/HSE Awaiting decision

    105 Brookside South Barnet EN4 8LL

    Single storey rear extension with new raised patio area with associated access steps following demolition of the existing garage

    Submitted 9 Dec 2025 Householder

Timeline

Dates from the published record

  1. 9 Dec 2025

    Received by Barnet

  2. 15 Dec 2025

    Validated

    Checked as complete and ready for consideration.

  3. 10 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 9 February 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 46 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Avera Planning & Design Agent, a planning consultancy

9 applications on PlanIndex · across 4 councils

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

9 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

  • 105 Brookside South Barnet EN4 8LL

    25/4933/HSE Submitted 9 Dec 2025 50 yards away

    77% historically approved · decision due ~3 Feb

    Single storey rear extension with new raised patio area with associated access steps following demolition of the existing garage

    Awaiting decision Householder Extension Demolition 9 docs
    Small domestic

  • 103 Brookside South Barnet EN4 8LL

    26/1777/HSE Submitted 12 May 2026 50 yards away

    Single storey rear extension with new raised levelled patio area and access steps to garden following demolition of the existing garage

    Granted Householder Extension Demolition 6 docs
    Small domestic

  • 77 Brookside South Barnet EN4 8LL

    26/0590/192 Submitted 16 Feb 2026 150 yards away

    Use of one room as a home office for a private hire (mini cab) operator

    Granted Lawful development 5 docs

  • 50 Monkfrith Way London N14 5ND

    25/3581/192 Submitted 29 Aug 2025 200 yards away

    Roof extension involving hip to gable, rear dormer window, 3no. front facing rooflights and new side gable window

    Granted Lawful development Extension Loft or dormer +1 6 docs

  • 39 Knoll Drive London N14 5LU

    26/3567/HSE Submitted 2 Oct 2026 200 yards away

    77% historically approved · decision due ~27 Nov

    First floor side extension and first floor rear window enlargement

    Awaiting decision Householder Extension Windows or glazing
    Domestic

  • 39 Knoll Drive London N14 5LU

    26/3566/192 Submitted 2 Oct 2026 200 yards away

    79% historically approved · decision due ~27 Nov

    Roof extension involving hip to gable, rear dormer window and 4no. front facing rooflights. Single storey side/rear infill extension and insertion of 3no. roof lights. Fenestration changes to the rear, new rear terrace with access steps and glass balustrade. Increase in ridge height of existing rear and side extensions. (AMENDED)

    Awaiting decision Extension Loft or dormer +2
    Small domestic

In Barnet

  • 26/2679/192 Granted

    21 Myddelton Park London N20 0JH

    Single storey rear extension and increase in ridge height of existing rear outrigger (Amended description).

    Received 20 Jul, published by the council 7 Aug 2026 Lawful development
  • 26/1362/191 Refused

    145 Cotswold Gardens London NW2 1PL

    Use as a House in Multiple Occupation (HMO) for 6 people

    Received 14 Apr, published by the council 25 Jul 2026 Lawful development
  • 26/1907/191 Granted

    8 Golders Manor Drive London NW11 9HT

    Use of the property as a self-contained residential unit at ground floor level and the first and second floors as a 4-bedroom, 4-person House in Multiple Occupation (Sui Generis) (AMENDED DESCRIPTION)

    Received 21 May, published by the council 16 Aug 2026 Lawful development
  • 26/2392/192 Refused

    6 Mostyn Road Edgware HA8 0JD

    New front hardstanding and vehicular access to provide off-street parking

    Received 23 Jun, published by the council 9 Aug 2026 Lawful development
  • 26/2059/192 Refused

    Low Ridge Rowley Lane Barnet EN5 3HS

    Erection of a rear outbuilding

    Received 3 Jun, published by the council 16 Aug 2026 Lawful development