Skip to content
PlanIndex Get alerts
Menu

Planning application

11 Halliwick Road London N10 1AA

Awaiting decision Barnet 25/3931/HSE Householder Application

Works: Extension Loft or dormer 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 side/rear infill extension with 4no. side rooflights and alterations to existing patio/decking area levels

As published by the council, reference 25/3931/HSE

Application record

Reference
25/3931/HSE
Type
Householder Application
Status
Pending Consideration
Received
25 Sep 2025
Validated
25 Sep 2025
Ward
Friern Barnet
Postcode
N10 1AA

Timeline

Dates from the published record

  1. 25 Sep 2025

    Received by Barnet

  2. 10 Aug 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 20 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.

Who's behind it

Company information only, from the register and Companies House

Mylius Architects Agent, an architecture practice

1 application on PlanIndex

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

15 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

  • 6 Halliwick Road London N10 1AB

    26/0522/192 Submitted 10 Feb 2026 50 yards away

    Roof extension involving rear dormer window and 3no. front facing rooflights. Increase in height to vent pipe on rear elevation

    Granted Lawful development Extension Loft or dormer +1 20 docs
  • First And Second Floor Maisonette 103 Colney Hatch Lane London N10 1LR

    26/0357/191 Submitted 30 Jan 2026 150 yards away

    80% historically approved · decision due ~2 Apr

    Use of a first and second floors as 2no. self-contained flats

    Awaiting decision Lawful development New dwelling 22 docs
  • 39 Halliwick Road London N10 1AA

    25/3634/NMA Submitted 3 Sep 2025 150 yards away

    65% historically approved · decision due ~30 Oct

    Non material amendment to planning permission 25/0036/HSE dated 03/03/2025 for 'Single storey rear extension. Alterations to first floor rear windows. Insertion of rooflight to front roofslope. New front porch. Creation of hardstanding and associated vehicular access' Amendments includes new window to the front elevation

    Awaiting decision Amendments Extension Loft or dormer +1 3 docs
    Small domestic
  • 46 Halliwick Road London N10 1AB

    26/0352/HSE Submitted 29 Jan 2026 150 yards away

    Single storey rear and side extension with new sunken patio area. Roof extension including hip to gable, rear dormer window with juliette balcony, 3no. front facing rooflights and new side gable window. Relocation of front entrance door and new canopy

    Granted Householder Extension Loft or dormer +1 5 docs
    Small domestic
  • 11 Wetherill Road London N10 2LS

    26/0400/HSE Submitted 3 Feb 2026 150 yards away

    77% historically approved · decision due ~6 Apr

    Mansard roof extension involving front and rear dormer windows

    Awaiting decision Householder Extension Loft or dormer +1 5 docs
    Domestic
  • 85 Colney Hatch Lane London N10 1LR

    26/2591/FUL Submitted 10 Jul 2026 200 yards away

    63% historically approved · decision due ~14 Sep

    Roof extension involving rear dormer window and 2no. front facing rooflights

    Awaiting decision Full applications Extension Loft or dormer +1 12 docs

In Barnet

  • 26/3853/HSE Awaiting decision

    30 Goldsmith Avenue London NW9 7HB

    Single storey rear extension following demolition of the existing extension

    23 Oct 2026 Householder
  • 26/3856/HSE Awaiting decision

    229 Hale Drive London NW7 3EH

    Single storey rear extension

    23 Oct 2026 Householder
  • 26/3827/HSE Awaiting decision

    43 Hermitage Lane London NW2 2HE

    Single storey rear extension with 3no. rooflights following demolition of the existing conservatory. Replacement front bay window and entrance porch. First floor rear juliette balcony. Changes to fenestration including new window openings and enlarged front rooflight

    22 Oct 2026 Householder
  • 26/3833/HSE Awaiting decision

    47 Holne Chase London N2 0QG

    Single storey rear extension. Replacement of single glazed windows with double glazing. Alterations to side/rear fenestration. Alterations and replacement of existing rear dormer window addition of 2no. side dormer windows and 3no. rooflights. Installation of cameras and wall lights. Replacement of the front entrance and garage doors, installation of timber side garden gates

    22 Oct 2026 Householder
  • 26/3841/HSE Awaiting decision

    Manor House West Heath Close London NW3 7NJ

    New metal framed pergola to upper ground floor rear terrace

    Received 22 Oct, published by the council 23 Oct 2026 Householder