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Planning application

36 Lancaster Road Barnet EN4 8AP

Decided Barnet 25/3687/192 Proposed Lawful Development Certificate

Works: Extension Loft or dormer Several homes

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

Decided. The decision notice on the council portal carries the outcome in full, including any conditions.

Proposal

Single storey rear extension with 2no. flat rooflights. Front porch. Front hardstanding

As published by the council, reference 25/3687/192

Application record

Reference
25/3687/192
Type
Proposed Lawful Development Certificate
Status
Unlawful
Decision
Unlawful
Received
8 Sep 2025
Validated
8 Sep 2025
Decided
18 Sep 2025
Ward
East Barnet
Decision by
Delegated Decision
Postcode
EN4 8AP

Timeline

Dates from the published record

  1. 8 Sep 2025

    Received by Barnet

  2. 18 Sep 2025

    Decision issued: Unlawful

  3. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Agent on file, a design practice

25 applications on PlanIndex · across 10 councils · 83% granted

Trade members see who it is, their full track record, and every application they have filed.

See who's behind it

Documents

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

7 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.

Trade members open them from here.

Open the documents

After the decision

The process from here

The council has decided this application; the published outcome sits in the record above and the decision notice on the council portal carries the detail, including any conditions.

If permission was granted, work must normally begin within three years of the decision. If it was refused, the applicant can appeal within the statutory time limit or submit a revised scheme.

About lawful development applications

How this application type works

A lawful development certificate is a legal determination, not a planning judgement. It asks the council to confirm either that existing use or works are lawful, often through the passage of time, or that a proposal would not need planning permission at all. The applicant must prove the facts; the merits of the scheme are not considered.

More on lawful development applications in our guide

Nearby applications

Within 500 metres

  • 40 Lancaster Road Barnet EN4 8AP

    26/2805/192 Submitted 29 Jul 2026 20m away

    79% historically approved · decision due ~24 Sep

    Single storey rear extension. Roof extension involving hip to gable, rear dormer window with juliette balcony, 2no side rooflights and new side windows. Erection of a rear outbuilding

    Awaiting decision Extension Loft or dormer +1
    Small domestic

  • 32 Lancaster Road Barnet EN4 8AP

    26/2485/HSE Submitted 1 Jul 2026 20m away

    77% historically approved · decision due ~26 Aug

    Erection of outbuilding in rear garden following demolition of existing outbuilding

    Awaiting decision Householder Demolition
    Small domestic

  • 34-36 Henry Road Barnet EN4 8BD

    25/4457/CON Submitted 7 Nov 2025 73m away

    Submission of details of condition 18 (Solar PV) pursuant to planning permission 19/4282/FUL dated 13/05/2020

    Granted Conditions 7 docs

  • 139 Lancaster Road Barnet EN4 8AJ

    25/4251/HSE Submitted 23 Oct 2025 104m away

    Single storey side and rear extension with new patio area and associated access steps

    Granted Householder Extension 10 docs
    Small domestic

  • 151 Lancaster Road Barnet EN4 8AJ

    26/2833/192 Submitted 31 Jul 2026 107m away

    79% historically approved · decision due ~5 Oct

    Changes to fenestration; installation of new rear sliding doors, replacement of existing windows. New rear raised patio area, privacy planters and installation of balustrade to the rear elevation with access steps to garden

    Awaiting decision Windows or glazing

  • 151 Lancaster Road Barnet EN4 8AJ

    26/3197/HSE Submitted 1 Sep 2026 107m away

    77% historically approved · decision due ~27 Oct

    Changes to fenestration including installation of widened rear sliding doors with fixed glass panel and protective glass balustrade, obscured privacy glass to the side elevation, infilling of two side kitchen windows, widening of the rear kitchen window, and reconfiguration of existing external access steps to garden

    Awaiting decision Householder Windows or glazing
    Domestic

In Barnet

  • 26/1907/191 Decided

    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)

    21 May 2026 Lawful development
  • 26/2059/192 Decided

    Low Ridge Rowley Lane Barnet EN5 3HS

    Erection of a rear outbuilding

    3 Jun 2026 Lawful development
  • 26/2066/192 Decided

    355 Hendon Way London NW4 3NB

    Roof extension involving rear dormer window and 3no. front facing rooflights. Removal of chimney on rear elevation (AMENDED DESCRIPTION)

    3 Jun 2026 Lawful development
  • 26/1663/192 Decided

    152 Deans Lane Edgware HA8 9NT

    Change of use from single family dwellinghouse (Class C3a) to supported living accommodation Class C3b)

    5 May 2026 Lawful development
  • 26/2025/192 Decided

    18 Hale Drive London NW7 3DU

    Roof extension involving hip to gable, rear dormer window, 2no. front facing rooflights and new side gable window

    1 Jun 2026 Lawful development