Planning application
147 Colin Crescent London NW9 6ET
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
-
15 Jan 2026
Received by Barnet
-
20 Jan 2026
Validated
Checked as complete and ready for consideration.
-
10 Aug 2026
Added to PlanIndex
-
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 43 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
Agent on file, registered in London
20 applications on PlanIndex · across 11 councils · 62% granted
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
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.
Trade members open them from here.
Open the documentsWhat 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 500 metres
-
110 Colin Crescent London NW9 6EX
Single storey side/rear extension with 2no. rooflights
Decided Lawful development Extension Loft or dormer 12 docsSmall domestic -
110 Colin Crescent London NW9 6EX
79% 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
77% historically approved · decision due ~17 Jun
Single storey side/rear extension with 2no. rooflights
Awaiting decision Householder Extension Loft or dormer 11 docsSmall domestic -
115 Colin Crescent London NW9 6ET
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 docsSmall domestic -
82 Colin Crescent London NW9 6EY
77% historically approved · decision due ~15 May
Single storey rear infill extension with associated access steps and railing. Single storey front porch extension
Awaiting decision Householder Extension 6 docsSmall domestic -
7 Crossway London NW9 6EN
Roof extension involving hip to gable, rear dormer window with juliette balcony and 3no. front facing rooflights. Erection of a rear outbuilding
Decided Lawful development Extension Loft or dormer +1 4 docs
Other householder applications
In Barnet
-
26/3249/HSE Awaiting decision
19 Rushdene Avenue Barnet EN4 8EN
New front vehicular access and hardstanding to provide off-street parking space. New retaining wall following demolition of the existing wall and raised planted beds
-
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
-
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
-
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
-
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.