Planning application
Land Rear Of 31 - 61 Blanche Lane South Mimms Hertfordshire
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Construction of up to 49 dwellings on Land off Blanche Lane. (Outline application to include access, all other matters reserved)
As published by the council, reference 26/1048/OUT
Application record
- Reference
- 26/1048/OUT
- Type
- Outline Application
- Status
- Awaiting decision
- Received
- 28 Jul 2026
- Validated
- 6 Aug 2026
- Ward
- Shenley
- Parish
- The Parish Council South Mimms And Ridge
Timeline
Dates from the published record
-
28 Jul 2026
Received by Hertsmere
-
6 Aug 2026
Validated
Checked as complete and ready for consideration.
-
11 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 1 October 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
James Holmes Planning Ltd Agent, a planning consultancy registered in Tring
Active · incorporated 2022 · Tring
25 applications on PlanIndex · across 5 councils · 78% 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
56 documents on file for this application
- Thames water
- Climate change
- Llfa
- National highways
- Consultee comment submitted online
- Consultee comment submitted online
- Ea - response
- Built heritage response
- Enn comment
- Enn comment
- Cadent gas response
- Fire & rescue - water officer response
- Energy sustainablity statement
- Section through 39 blanche lane
- Flood risk assessment and drainage strategy report
- Bng metric
- Applicationformredacted
- Location plan
- Existing site plan
- Existing and proposed indicative elevations
- Proposed indicative site section
- Existing indicative entrance area
- Proposed indicative entrance area
- Planning statement
- Design & access statement
- Transport statement
- Access option from blanche lane
- Site access swept path analysis - refuse vehicle
- Site access swept path analysis - pumping appliance
- Site access swept path analysis - 7.5t rigid vehicle
- Site access swept path analysis - estate car
- Air quality assessment
- Arboricultural impact assessment
- Breeding bird survey report
- Built heritage statement
- Great crested newt district level licensing impact assessment & conservation pa
- Design & access statement
- Energy sustainability statement
- Great crested newt edna survey report
- Residential noise assessment
- Preliminary ecological appraisal
- Reptile survey report
- Phase 1: desk top study report (pages 51-145)
- Phase 1: desk top study report (pages 26-50)
- Phase 1: desk top study report (pages 1-25)
- Biodiversity net gain assessment
- Landscape strategy
- Landscape overview plan
- Indicative coloured site plan
- Proposed indicative site plan
Watch members (£5 a month) open the document list from here.
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 decided outline applications in a median of 37 days. More in our guide to how long planning decisions take.
About outline applications
An outline application tests the principle of developing a site, holding back details such as appearance and landscaping as reserved matters for later approval. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
Land Adjoining 49 Blanche Lane South Mimms Hertfordshire
Application for approval of details reserved by conditions 4 (Materials samples) and 9 (Archaeological report) of planning permission reference 21/0429/FUL.
Granted Conditions 12 docs -
Land Adjoining 49 Blanche Lane South Mimms Hertfordshire
Application for approval of details reserved by condition 5 (Landscaping) of planning permission reference 21/0429/FUL.
Granted Conditions 4 docs -
15 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3NY
83% historically approved · decision due ~31 Mar
Demolition of existing detached bungalow to facilitate construction of 3x two storey dwellings (2x semi-detached and 1x detached) to include hard and soft landscaping, front boundary works to include new crossover and erection of cycle and bin storage.
Awaiting decision Full applications Demolition 26 docs -
15 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3NY
Single storey rear extensions Depth: 8.00m, Height: 4.00m, Eaves: 3.00m.
Refused Prior approval Extension 11 docsSmall domestic -
15 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3NY
Construction of single storey rear extension. Depth: 8.00m, Height: 4.00m, Eaves: 2.90m.
Granted Prior approval Extension 8 docsSmall domestic -
Cedar House 73 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3PA
2no. ASH. Reduce by approximately 4m in height and 3m in width.
Granted Trees 5 docs
Other outline applications
In Hertsmere
-
26/1236/OUTEI Awaiting decision
Home Farm Common Lane Radlett Hertfordshire WD7 8PL
Outline planning application (with all matters reserved except access) comprising a residential development of up to 650 dwellings (Use Class C3); a one-form entry primary school and nursery; supporting mixed uses (Use Classes E and F) with associated landscaping; amenity space; drainage infrastructure and all other associated works. The application is accompanied by an Environmental Statement (EIA Development).
-
26/0962/EI2 Decided
Land Known As Home Farm Common Lane Radlett Hertfordshire
Request for a scoping opinion (Environmental Impact Assessment).
-
26/1112/OUT Awaiting decision
Land South Of Allum Lane Elstree Borehamwood Hertfordshire
Outline planning application (with all matters reserved except access) for the erection of residential dwellings (Class C3), new access, landscaping, parking and ancillary works.
-
26/0988/OUT Awaiting decision
W Block Clare Hall Laboratories Blanche Lane South Mimms Hertfordshire
Outline application (with all matters reserved except for means of access) for the demolition of buildings on site and erection of up to 185 homes (including 50% affordable housing) alongside access, landscaping, car parking and associated works.
-
25/1379/OUT Granted
Fields Theobald Street Radlett Hertfordshire WD7 7LS
Demolition of dwelling (Use Class C3) to provide 4x new dwellings (Use Class C3). Outline planning application (with all matters reserved except access).