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Planning application

147 Colin Crescent London NW9 6ET

Awaiting decision Barnet 26/0158/HSE Householder Application

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

Proposal

Conversion of the existing rear outbuilding into annexe

As published by the council, reference 26/0158/HSE

Application record

Reference
26/0158/HSE
Type
Householder Application
Status
Pending Consideration
Received
15 Jan 2026
Validated
20 Jan 2026
Ward
Colindale South
Postcode
NW9 6ET

Timeline

Dates from the published record

  1. 15 Jan 2026

    Received by Barnet

  2. 20 Jan 2026

    Validated

    Checked as complete and ready for consideration.

  3. 10 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 17 March 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 46 days over the applications it decided in the last year.

Who's behind it

Company information only, from the register and Companies House

Box Plans Ltd Agent, registered in London

Active · incorporated 2023 · London

24 applications on PlanIndex · across 12 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

  • 110 Colin Crescent London NW9 6EX

    26/0581/192 Submitted 16 Feb 2026 100 yards away

    Single storey side/rear extension with 2no. rooflights

    Refused Lawful development Extension Loft or dormer 12 docs
    Small domestic

  • 110 Colin Crescent London NW9 6EX

    25/4147/192 Submitted 16 Oct 2025 100 yards away

    80% historically approved · decision due ~11 Dec

    Roof extension involving hip to gable with juliette balcony, rear dormer window and 2 no. front facing rooflights following the demolition of existing chimney stacks

    Awaiting decision Lawful development Extension Loft or dormer +2 9 docs

  • 110 Colin Crescent London NW9 6EX

    26/1490/HSE Submitted 22 Apr 2026 100 yards away

    Single storey side/rear extension with 2no. rooflights following demolition of existing kitchen.

    Granted Householder Extension Loft or dormer +1 12 docs
    Small domestic

  • 115 Colin Crescent London NW9 6ET

    25/3480/PNH Submitted 22 Aug 2025 150 yards away

    Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.00 metres and eaves height of 3.00 metres. Following demolition of existing extension and garage.

    Granted Prior approval Extension Demolition 3 docs
    Small domestic

  • 82 Colin Crescent London NW9 6EY

    26/1084/HSE Submitted 20 Mar 2026 200 yards away

    Single storey rear infill extension with associated access steps and railing. Single storey front porch extension

    Granted Householder Extension 8 docs
    Small domestic

  • 7 Crossway London NW9 6EN

    26/1172/192 Submitted 26 Mar 2026 200 yards away

    Roof extension involving hip to gable, rear dormer window with juliette balcony and 3no. front facing rooflights. Erection of a rear outbuilding

    Granted Lawful development Extension Loft or dormer +1 4 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