Planning application
1 Tretawn Park London NW7 4PS
Works: Extension Roofing Demolition 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 front extension and part single, part two storey side and rear extension with first floor juliette balcony to front elevation and first floor balconies to front and rear elevations, following demolition of existing garage and conservatory. Associated alterations to roof including increase in ridge height
As published by the council, reference 25/5166/HSE
Application record
- Reference
- 25/5166/HSE
- Type
- Householder Application
- Status
- Pending Consideration
- Received
- 24 Dec 2025
- Validated
- 7 Jan 2026
- Ward
- Mill Hill
- Postcode
- NW7 4PS
Timeline
Dates from the published record
-
24 Dec 2025
Received by Barnet
-
7 Jan 2026
Validated
Checked as complete and ready for consideration.
-
10 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 4 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 42 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, a design practice
25 applications on PlanIndex · across 10 councils · 83% 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
11 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
The process from here
This application is with Barnet for determination. The council publicises it, consults neighbours and technical bodies where required, and weighs the responses against local and national planning policy.
The statutory target is eight weeks for most applications and thirteen for major development, though extensions of time are common. Comments carry most weight while the case is undecided, so check the council portal for the deadline if you want to respond.
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.
Nearby applications
Within 500 metres
-
1 Tretawn Park London NW7 4PS
77% historically approved · decision due ~28 Nov
Two storey front extension and part single, part two storey side and rear extension with first floor balconies to front and rear elevations, following demolition of existing garage and conservatory. Associated alterations to roof including increase in ridge height
Awaiting decision Householder Extension Roofing +1 14 docsSmall domestic -
11 Tretawn Park London NW7 4PS
79% historically approved · decision due ~2 Oct
Single storey side extension with 2no. additional rooflights (Retrospective application)
Awaiting decision Extension Loft or dormerSmall domestic -
15 Tretawn Park London NW7 4PS
79% historically approved · decision due ~14 Sep
1 x Yew (applicants ref. T1) - Fell. Standing in Group G2 of Tree Preservation Order. (Exempt 5 day notice)
Awaiting decision Trees -
11 Tretawn Park London NW7 4PS
Single storey side extension with 2no. additional rooflights [Amended Description]
Decided Lawful development Extension Loft or dormer 20 docsSmall domestic -
11 Tretawn Park London NW7 4PS
70% historically approved · decision due ~7 Jul
Non material amendment to planning permission 22/5054/HSE dated 09/02/2023 for 'Ground floor rear extension. New pitched roof including extensions at roof level to side and front, new roof finishes and 2no side facing rooflights. New front and side balconies with associated railings. Alterations of existing window and door openings. Change to external wall finish. Alteration to existing front vehicular access and front hardstanding. Changes to boundary treatment. Installation of flue' Amendments include minor revisions to windows and doors
Awaiting decision Amendments Extension Loft or dormer +2 5 docs -
92 Uphill Road London NW7 4QE
79% historically approved · decision due ~29 Sep
Submission of details of conditions 3 (Materials) 4 (Site Levels) 6 (Demolition and Construction Management and Logistics Plan) 14 (Tree Protection Plan) 16 (Service excavations) 17 (Foundations) pursuant to planning permission 26/1039/FUL dated 20/05/2026
Awaiting decision Demolition Trees
Other householder applications
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
-
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.
-
26/3211/HSE Awaiting decision
25 The Ridgeway London N11 3LG
Single storey rear extension with 3no. rooflights following the demolition of existing conservatory