Planning application
15 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3NY
Works: Demolition
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
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.
As published by the council, reference 26/0061/FUL
Application record
- Reference
- 26/0061/FUL
- Type
- Full Planning Permission
- Status
- Awaiting decision
- Received
- 20 Jan 2026
- Validated
- 3 Feb 2026
- Ward
- Shenley
- Parish
- The Parish Council South Mimms And Ridge
- Postcode
- EN6 3NY
Site history
Applications at this address on the Hertsmere register
This site has had 3 applications since 2024: 1 approved, 1 refused.
-
24/1243/PD42 Granted
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.
-
24/1051/PD42 Refused
15 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3NY
Single storey rear extensions Depth: 8.00m, Height: 4.00m, Eaves: 3.00m.
Timeline
Dates from the published record
-
20 Jan 2026
Received by Hertsmere
-
3 Feb 2026
Validated
Checked as complete and ready for consideration.
-
24 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 31 March 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 58 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
henry planning ltd Agent, a planning consultancy registered in Barnet
Active · incorporated 2016 · Barnet
64 applications on PlanIndex · across 11 councils · 67% 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
26 documents on file for this application
- Ecology response
- Cil response
- Cil response
- Highways response
- Growth and infrastructure response
- Consultee comment submitted online
- Thames water response
- Applicationformredacted
- _form_1_cil_additional_information
- Acoustic assessment
- Air quality assessment
- Bng report
- Calculations - volume and floorspace
- Ecology report
- Existing & proposed block plan
- Existing first floor plan
- Existing ground floor plan & elevations
- Existing roof plan
- Proposed elevations
- Proposed first floor plan
- Proposed ground floor plan
- Proposed landscape amenity plans
- Proposed roof plan
- Site location plan and photos
- Transport statement
- Design and access and planning statement
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 full applications in a median of 90 days. More in our guide to how long planning decisions take.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
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 -
Telecommunications Equipment At Junction Of Earls Lane And Blanche Lane South Mimms
Installation of 8m high replacement lamppost supporting antennas to a total of 10m together with associated equipments cabinets at ground level, a protective barrier and landscaping scheme (Application for prior approval under Part 24 of Schedule 2 to the Town and Country Planning - General Permitted Development (Amendment) order 1995 as amended).
Granted Telecoms 4 docs -
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 -
22 Blanche Lane South Mimms Potters Bar EN6 3PA
Siting of temporary mobile home in rear garden whilst existing main dwelling is being constructed/renovated (Revised Application).
Refused Full applications 5 docsDomestic
Other full applications
In Hertsmere
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26/0671/FUL Decided
27A Harcourt Road Bushey Hertfordshire WD23 3PP
Change of Use from C3 Dwelling to Children's residential home (C2).
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26/0971/FUL Decided
24 Southgate Road Potters Bar Hertfordshire EN6 5DZ
Change of use from class C3 to sui generis 8 bedroom HMO use facilitated by demolition of existing conservatory to facilitate construction of single storey rear extension. Conversion of garage to habitable space to include replacement of garage doors with window. Alterations to hard landscaping, bin and bike storage (additional information received on 31.07.2026 and 13.08.2026).
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26/0632/FUL Decided
Earls Farm Earls Lane South Mimms Potters Bar Hertfordshire EN6 3LT
Demolition of existing stables block & ancillary building and rebuild of replacement stables building.
-
26/1008/FUL Decided
31 Tempest Avenue Potters Bar Hertfordshire EN6 5JU
Change of use from class C4 (6 Bed HMO) to sui generis (11 bedroom HMO) use facilitated by internal alterations, provision of waste and cycle storage, and installation of new dropped kerb.
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25/1648/FUL Decided
30 Beech Avenue Radlett Hertfordshire WD7 7DE
Demolition of existing dormer bungalow and construction of two storey detached house with accommodation at loft level, cycle and bin stores, front boundary works, and alterations to front and rear hard and soft landscaping.