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Planning application

129 Russell Lane London N20 0AZ

Awaiting decision Barnet 25/3745/192 Proposed Lawful Development Certificate

Works: Extension Demolition Small domestic

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

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

Proposal

Single storey rear extension following the demolition of existing conservatory

As published by the council, reference 25/3745/192

Application record

Reference
25/3745/192
Type
Proposed Lawful Development Certificate
Status
Pending Consideration
Received
11 Sep 2025
Validated
11 Sep 2025
Ward
Brunswick Park
Postcode
N20 0AZ

Site history

Applications at this address on the Barnet register

This site has had 2 applications since 2025.

  • 25/3744/192 Awaiting decision

    129 Russell Lane London N20 0AZ

    Single storey side extension. Roof extension involving hip to gable with rear dormer windows and 1no. side facing rooflight

    Submitted 11 Sep 2025 Lawful development

Timeline

Dates from the published record

  1. 11 Sep 2025

    Received by Barnet

  2. 10 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 6 November 2025, 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.

Documents

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

4 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

  • 115 Russell Lane London N20 0AZ

    26/2632/192 Submitted 14 Jul 2026 50 yards away

    79% historically approved · decision due ~8 Sep

    Erection of a rear outbuilding

    Awaiting decision

  • 117 Russell Lane London N20 0AZ

    26/3177/HSE Submitted 28 Aug 2026 50 yards away

    77% historically approved · decision due ~28 Oct

    Single storey rear and side extension following demolition of existing rear projection and partial demolition of garage. Removal front entrance canopy

    Awaiting decision Householder Extension Demolition
    Small domestic

  • 129 Russell Lane London N20 0AZ

    25/3744/192 Submitted 11 Sep 2025 50 yards away

    80% historically approved · decision due ~6 Nov

    Single storey side extension. Roof extension involving hip to gable with rear dormer windows and 1no. side facing rooflight

    Awaiting decision Lawful development Extension Loft or dormer +1 5 docs
    Small domestic

  • Rear Of 90 Russell Lane London N20 0AR

    25/3884/191 Submitted 22 Sep 2025 50 yards away

    80% historically approved · decision due ~17 Nov

    Use as a two storey single family dwelling

    Awaiting decision Lawful development 5 docs
    Domestic

  • 111 Russell Lane London N20 0AZ

    25/4810/HSE Submitted 2 Dec 2025 100 yards away

    77% historically approved · decision due ~27 Jan

    Roof extension including hip to gable, rear dormer window and 4no. rooflights to front roofslope. Changes to rear fenestration

    Awaiting decision Householder Extension Loft or dormer +1 9 docs
    Domestic

  • 32 Haslemere Avenue Barnet EN4 8EZ

    26/2512/192 Submitted 3 Jul 2026 100 yards away

    79% historically approved · decision due ~28 Aug

    Roof extension involving hip to gable, rear dormer window, 3no. front-facing rooflights and new side gable window following the removal of the chimney. Erection of a rear outbuilding. (Amended Description)

    Awaiting decision Extension Loft or dormer +1

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