Planning application
Chesterfield Windmill Lane Barnet EN5 3HX
Works: Extension Loft or dormer Demolition Windows or glazing 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 extension with balcony above. Enclosure of existing ground floor side veranda and first floor side balcony. Single storey rear extension with green roof and associated glass balustrade. Enclosure of first floor front balcony. Side and rear extensions to existing garage including addition of a pitched roof with 4no. rooflights and front and rear gable windows to provide attic roofspace, following demolition of shed
As published by the council, reference 26/0051/HSE
Application record
- Reference
- 26/0051/HSE
- Type
- Householder Application
- Status
- Pending Consideration
- Received
- 7 Jan 2026
- Validated
- 7 Jan 2026
- Ward
- High Barnet
- Postcode
- EN5 3HX
Site history
Applications at this address on the Barnet register
This site has had 7 applications since 2025: 2 approved, 1 refused.
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26/3604/CON Awaiting decision
Chesterfield Windmill Lane Barnet EN5 3HX
Submission of details of condition 9 (Written Scheme of Investigation (WSI)) pursuant to planning permission 26/0051/HSE dated 12/03/2026
-
26/2293/CON Decided
Chesterfield Windmill Lane Barnet EN5 3HX
Submission of details of condition 8 (Levels) pursuant to planning permission 26/0051/HSE dated 12/03/2026
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26/1577/CON Granted
Chesterfield Windmill Lane Barnet EN5 3HX
Submission of details of Part Discharge of Condition 9 (Stage 1 - Written Scheme of Investigation (WSI)) pursuant to planning permission 26/0051/HSE dated 12/03/2026
-
26/1274/CON Granted
Chesterfield Windmill Lane Barnet EN5 3HX
Submission of details of condition 5 (Tree Protection) 6 (Hard and Soft Landscaping) pursuant to planning permission 26/0051/HSE dated 12/03/2026
-
25/4889/192 Awaiting decision
Chesterfield Windmill Lane Barnet EN5 3HX
Roof extension involving rear dormer window and 5no. front facing rooflights
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25/4816/HSE Refused
Chesterfield Windmill Lane Barnet EN5 3HX
Single storey side extension with balcony above. Enclosure of existing ground floor side veranda and first floor side balcony. Single storey rear extension with green roof and associated glass balustrade. Enclosure of first floor front balcony. Side and rear extensions to existing garage including addition of a pitched roof with 4no. rooflights and front and rear gable windows to provide a workshop at first floor level, following demolition of shed
Timeline
Dates from the published record
-
7 Jan 2026
Received by Barnet
-
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 46 days over the applications it decided in the last year.
Related applications
Cases linked to this one on the register
4 later applications on the register refer to this one:
-
26/3604/CON Awaiting decision
Chesterfield Windmill Lane Barnet EN5 3HX
Submission of details of condition 9 (Written Scheme of Investigation (WSI)) pursuant to planning permission 26/0051/HSE dated 12/03/2026
-
26/2293/CON Decided
Chesterfield Windmill Lane Barnet EN5 3HX
Submission of details of condition 8 (Levels) pursuant to planning permission 26/0051/HSE dated 12/03/2026
-
26/1577/CON Granted
Chesterfield Windmill Lane Barnet EN5 3HX
Submission of details of Part Discharge of Condition 9 (Stage 1 - Written Scheme of Investigation (WSI)) pursuant to planning permission 26/0051/HSE dated 12/03/2026
-
26/1274/CON Granted
Chesterfield Windmill Lane Barnet EN5 3HX
Submission of details of condition 5 (Tree Protection) 6 (Hard and Soft Landscaping) pursuant to planning permission 26/0051/HSE dated 12/03/2026
Who's behind it
Company information only, from the register and Companies House
Buildplans Agent, registered in Chippenham
Active · incorporated 2011 · Chippenham
106 applications on PlanIndex · across 25 councils · 83% 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 recordDocuments
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.
Watch members (£5 a month) open the document list 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 0.3 miles
-
Chesterfield Windmill Lane Barnet EN5 3HX
Single storey side extension with balcony above. Enclosure of existing ground floor side veranda and first floor side balcony. Single storey rear extension with green roof and associated glass balustrade. Enclosure of first floor front balcony. Side and rear extensions to existing garage including addition of a pitched roof with 4no. rooflights and front and rear gable windows to provide a workshop at first floor level, following demolition of shed
Refused Householder Extension Loft or dormer +2 11 docsSmall domestic -
Chesterfield Windmill Lane Barnet EN5 3HX
80% historically approved · decision due ~30 Jan
Roof extension involving rear dormer window and 5no. front facing rooflights
Awaiting decision Lawful development Extension Loft or dormer +1 6 docs -
Chesterfield Windmill Lane Barnet EN5 3HX
Submission of details of condition 5 (Tree Protection) 6 (Hard and Soft Landscaping) pursuant to planning permission 26/0051/HSE dated 12/03/2026
Granted Conditions Trees 5 docs -
Chesterfield Windmill Lane Barnet EN5 3HX
Submission of details of Part Discharge of Condition 9 (Stage 1 - Written Scheme of Investigation (WSI)) pursuant to planning permission 26/0051/HSE dated 12/03/2026
Granted Conditions 5 docs -
Mill Lodge Windmill Lane Barnet EN5 3HX
77% historically approved · decision due ~6 Aug
Additional partial storey at first floor level (Amended Proposal)
Decided Householder 14 docsDomestic -
Chesterfield Windmill Lane Barnet EN5 3HX
78% historically approved · decision due ~1 Dec
Submission of details of condition 9 (Written Scheme of Investigation (WSI)) pursuant to planning permission 26/0051/HSE dated 12/03/2026
Awaiting decision
Other householder applications
In Barnet
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26/3853/HSE Awaiting decision
30 Goldsmith Avenue London NW9 7HB
Single storey rear extension following demolition of the existing extension
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26/3856/HSE Awaiting decision
229 Hale Drive London NW7 3EH
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-
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
-
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
-
26/3841/HSE Awaiting decision
Manor House West Heath Close London NW3 7NJ
New metal framed pergola to upper ground floor rear terrace