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Planning application

139 Lancaster Road Barnet EN4 8AJ

Granted Barnet 25/4251/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 and rear extension with new patio area and associated access steps

As published by the council, reference 25/4251/HSE

Application record

Reference
25/4251/HSE
Type
Householder Application
Status
Approved subject to conditions
Decision
Approve subject to conditions
Received
23 Oct 2025
Validated
23 Oct 2025
Decided
18 Dec 2025
Ward
East Barnet
Decision by
Delegated Decision
Postcode
EN4 8AJ

Timeline

Dates from the published record

  1. 23 Oct 2025

    Received by Barnet

  2. 18 Dec 2025

    Decision issued: Approve subject to conditions

  3. 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

29 applications on PlanIndex · across 7 councils · 75% 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

10 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

What a grant of permission means

The process from here

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

About householder applications

How this application type works

Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.

More on householder applications in our guide

Nearby applications

Within 500 metres

  • 151 Lancaster Road Barnet EN4 8AJ

    26/2833/192 Submitted 31 Jul 2026 6m 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 6m 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

  • 40 Lancaster Road Barnet EN4 8AP

    26/2805/192 Submitted 29 Jul 2026 84m 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 84m 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

  • 36 Lancaster Road Barnet EN4 8AP

    25/3687/192 Submitted 8 Sep 2025 104m away

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

    Decided Lawful development Extension Loft or dormer 7 docs
    Several homes

  • 34-36 Henry Road Barnet EN4 8BD

    25/4457/CON Submitted 7 Nov 2025 155m away

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

    Granted Conditions 7 docs

In Barnet

  • 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
  • 26/3211/HSE Awaiting decision

    25 The Ridgeway London N11 3LG

    Single storey rear extension with 3no. rooflights following the demolition of existing conservatory

    2 Sep 2026 Householder