Planning application
Land Off Coursers Road Colney Heath Hertfordshire
Works: Demolition 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
Outline planning application with all matters reserved except for details of access from the B556 ('St Albans Road / Blackhorse Lane'): for residential-led mixed use development comprising residential accommodation and residential institution (Use Classes C3 and C2); commercial, business and service uses (Use Classes E); local community and learning uses (Use Class F1 and F2); sui generis uses; public open space including parks, ecological areas, sports provision and green and blue infrastructure; and all associated infrastructure including highways, vehicular and non-vehicular access, public transport infrastructure, utilities and service infrastructure, and drainage systems (including foul drainage, Sustainable Drainage Systems, and the diversion, realignment and management of existing watercourses); the diversion, stopping up, realignment and improvement of existing public rights of way, new pedestrian and cycle routes; hard and soft landscaping; ground remodelling, earthworks and demolition; and associated works. [FOR CONSULTATION PURPOSES: Up to 5,000 dwellings and 18,500sqm of non-residential floorspace]
As published by the council, reference 26/1330/OUTEI
Application record
- Reference
- 26/1330/OUTEI
- Status
- Awaiting decision
- Received
- 14 Sep 2026
- Validated
- 22 Sep 2026
- Ward
- Shenley
- Parish
- The Parish Council South Mimms And Ridge
Timeline
Dates from the published record
-
14 Sep 2026
Received by Hertsmere
-
22 Sep 2026
Validated
Checked as complete and ready for consideration.
-
1 Oct 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 17 November 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Hertsmere took a median of 57 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
David Lock Associates Ltd Agent, registered in Milton Keynes
Active · incorporated 1989 · Milton Keynes
389 applications on PlanIndex · across 32 councils · 100% 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 recordUrban & Civic Tyttenhanger Limited Applicant, registered in London
Active · incorporated 2018 · London
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 recordDocuments
Plans, drawings, consultee responses and the officer's report
97 documents on file for this application
- Appendix 9.1 - ecology baseline 2021 (redacted)
- Appendix 9.2 - ecological baseline report 2026 (redacted)
- Application form
- Development specification
- Site ownership certificates and notices
- Cil form 1: cil additional information
- Planning application guide
- Blackhorse lane site access proposed contours
- Blackhorse lane site access cross sections sheet 1
- Blackhorse lane site access proposed signal controlled junction
- Blackhorse lane site access hgv swept path analysis
- Blackhorse lane site access cross sections sheet 2
- Site location plan
- Parameter plan
- Blackhorse lane site access proposed drainage plan
- Blackhorse lane site access long sections
- Blackhorse lane site access bus swept path analysis
- Illustrative master plan
- Existing features plan
- Alternative waste site assessment
- Sustainability and energy statement
- Waste needs assessment
- Bowmans cross green belt appraisal
- Design and access statement
- Retail and town centre study
- Planning statement
- Statement of community involvement
- Utilities strategy
- Socio-economic strategy
- Infrastructure delivery strategy
- Environmental statement
- Non-technical summary
- Covering letter
- Appendix 8.1 - landscape and visual baseline
- Appendix 12.2 - drainage strategy
- Appendix 12.1 - flood risk assessment
- Appendix 9.8 - shadow habitat regulation assessment screening note
- Appendix 9.7 - farmland and wetland bird mitigation strategy
- Appendix 9.6 - woodland mitigation and management strategy
- Appendix 9.5 - statutory biodiversity metric scenario b
- Appendix 9.5 - statutory biodiversity metric scenario a
- Appendix 9.4 - biodiversity net gain assessment
- Appendix 9.3 - arboricultural impact assessment (incorporating baseline survey)
- Appendix 8.3 - lighting impact assessment
- Appendix 8.2 - assessment of landscape and visual effects
- Appendix 7.5 - figures
- Appendix 7.4 - noise impact assessment
- Appendix 7.3 - supporting data
- Appendix 7.2 - existing baseline
- Appendix 7.1 - policy and guidance
- Appendix 6.7 - odour assessment
- Appendix 6.6 - quarry dust assessment
- Appendix 6.5 - model verification
- Appendix 6.4 - assessment of ecological receptors
- Appendix 6.3 - diffusion tube monitoring
- Appendix 6.2 - construction dust assessment methodology
- Appendix 6.1 - figures
- Appendix 5.9 - cumulative projects long list
- Appendix 5.8 - 2045 forecast post completion year traffic flows
- Appendix 5.7 - 2035 forecast construction baseline flows
- Appendix 5.6 - construction traffic assignment
- Appendix 5.5 - indicative construction programme
- Appendix 5.4 - 2025 existing baseline flows
- Appendix 5.3 - framework travel plan
- Appendix 5.2 - transport assessment
- Appendix 5.1 - figures
- Appendix 4.5 - map of secondary school priority areas in hcc
- Appendix 4.4 - summary of key facts and issues to leisure facilities in hertsmer
- Appendix 4.3 - open space typology definitions
- Appendix 4.2 - health impact assessment
- Appendix 4.1 - community and social facilities plan and list of facilities
- Appendix 2.4 - outline construction environmental management plan
- Appendix 2.3 - cumulative sites plan
- Appendix 2.2 - development specification
- Appendix 2.1 - parameter plan
- Appendix 16.2 - minerals resource assessment
- Appendix 16.1 - site waste management plan
- Appendix 15.1 - climate change risk assessment
- Appendix 14.1 - agricultural land classification and framework soil management p
- Appendix 13.4 - tarmac quarry area preliminary ground investigation interpretive
- Appendix 13.3 - south of coursers road preliminary ground investigation interpre
- Appendix 13.2 - north of coursers road preliminary ground investigation interpre
- Appendix 13.1 - preliminary risk assessment
- Appendix 11.3 - archaeological evaluation report
- Appendix 11.2 - geophysical survey
- Appendix 11.1 - archaeological desk based assessment
- Appendix 10.4 - figures
- Appendix 10.3 - heritage impact assessment
- Appendix 10.2 - heritage assets
- Appendix 10.1 - built heritage scoping note
- Appendix 1.6 - existing features plan
- Appendix 1.5 - approved lafarge tyttenhanger quarry restoration plan
- Appendix 1.4 - statement of technical competence
- Appendix 1.3 - eia scoping response & addendum
- Appendix 1.2 - eia scoping report
- Appendix 1.1 - site location plan
- Contents
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Open the documentsWhat happens while it is decided
This application is with Hertsmere for determination, against a statutory target of eight weeks. Over the last year Hertsmere's median decision took 57 days. More in our guide to how long planning decisions take.
About this record
The published feed does not state which type of application this is; the register entry on Hertsmere's portal will say. Our guide explains the common types.