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Planning application

144 Hendon Lane London N3 3PS

Awaiting decision Barnet 26/1742/HSE Householder Application

Works: Extension 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

Two storey rear extension alterations to the existing raised patio area and access steps. Single storey front infill extension

As published by the council, reference 26/1742/HSE

Application record

Reference
26/1742/HSE
Type
Householder Application
Status
Pending Consideration
Received
11 May 2026
Validated
11 May 2026
Ward
Finchley Church End
Postcode
N3 3PS

Site history

Applications at this address on the Barnet register

This site has had 2 applications since 2026: 1 approved, 0 refused.

  • 26/1000/192 Granted

    144 Hendon Lane London N3 3PS

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

    Decided 19 Mar 2026 Lawful development

Timeline

Dates from the published record

  1. 11 May 2026

    Received by Barnet

  2. 25 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 6 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

HK Architects Agent, an architecture practice registered in Barnet

Active · incorporated 2015 · Barnet

21 applications on PlanIndex · across 5 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

6 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 householder applications in a median of 56 days. More in our guide to how long planning decisions take.

About householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 144 Hendon Lane London N3 3PS

    26/1000/192 Submitted 16 Mar 2026 50 yards away

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

    Granted Lawful development Extension Loft or dormer +1 5 docs

  • 148 Hendon Lane London N3 3PS

    26/2048/HSE Submitted 2 Jun 2026 50 yards away

    Roof extension with 3no. rear dormer windows and 2no. front facing rooflights. Single storey side and rear extension with 2no. lantern rooflights. Two storey side extension following demolition of existing chimney. Alterations to external levels. New rear Patio. Front infill extension to create wider garage. Alterations to roof of front porch and garage. Creation of a first floor rear Juliette balcony. (Amended Description)

    Granted Householder Extension Loft or dormer +2 12 docs
    Small domestic

  • 22 Waverley Grove London N3 3PX

    26/1158/HSE Submitted 26 Mar 2026 100 yards away

    Single storey side/rear extension following demolition of the existing conservatory. Alteration to the existing patio area. Conversion of the existing garage into habitable room, insertion of window to replace the garage door

    Granted Householder Extension Demolition +1 11 docs
    Small domestic

  • 22 Crooked Usage London N3 3HB

    TPP/0314/26 Submitted 2 Jun 2026 150 yards away

    1 x Monterey Cypress (applicants ref. T1) - Fell to ground level. Standing in T17 of Tree Preservation.

    Granted Trees 4 docs

  • 31 Allandale Avenue London N3 3PY

    26/2799/CON Submitted 29 Jul 2026 250 yards away

    79% historically approved · decision due ~23 Sep

    Submission of details of condition 7 (Levels) 8 (Excavation for services) 9 (Tree Protection & Method Statement) 10 (Details of Foundations) pursuant to planning permission 26/1837/HSE dated 07/07/2026

    Decided Trees

  • 5 Rawlins Close London N3 3TA

    24/1236/HSE Submitted 26 Mar 2024 250 yards away

    Part single, part two-storey side and rear extension with 2no. rooflights and juliette balcony. Replacement of existing conservatory with new patio area. Conversion of garage into habitable room, insertion of window to replace garage door. New cycle store

    Granted Householder Extension Loft or dormer +1 37 docs
    Small domestic

In Barnet

  • 26/3422/HSE Awaiting decision

    Revelstroke 28 Totteridge Village London N20 8JN

    Construction of a swimming pool and associated hard and soft landscaping following demolition of the existing shed including new access steps. Alterations to the ground level. Replacement of an existing timber decking terrace with a paved terrace.

    18 Sep 2026 Householder
  • 26/3396/HSE Awaiting decision

    43 Dukes Avenue London N3 2DE

    Single storey rear, part two storey side extension with 1no. rooflight following the demolition of existing shed. Roof extension with rear dormer window, 1no. front, 3no. side facing rooflights and roof windows to the front and side roof slopes. Installation of solar panels to side elevation of roof

    17 Sep 2026 Householder
  • 26/3410/HSE Awaiting decision

    54 Ferney Road Barnet EN4 8LE

    Single storey rear extension with alteration to the raised terrace area including new access steps to garden

    17 Sep 2026 Householder
  • 26/3415/HSE Awaiting decision

    11 Downage London NW4 1AS

    Alterations and extensions to the roof including rear dormer window and the partial removal of the roof of the first floor rear extension, creation of a new crown roof over main roof and rear extension, 1no. front, 1no. side, 1no. rear facing rooflight and 1no. on crown roof

    Received 17 Sep, published by the council 18 Sep 2026 Householder
  • 26/3382/HSE Awaiting decision

    11 Layfield Crescent London NW4 3UJ

    Part single, part two storey rear extension with flat roof and 1no. skylight

    Received 16 Sep, published by the council 18 Sep 2026 Householder