Planning application
31 Tempest Avenue Potters Bar Hertfordshire EN6 5JU
Works: New dwelling Extension Loft or dormer Roofing 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
Demolition of existing outbuilding; construction of part single, part two storey side and rear extension; conversion of loft to habitable space with associated roof alterations to include 2x rear dormers and insertion of 3x front rooflights; cycle and bin storage, alterations to fenestration, amenity space and front driveway; all to facilitate sub-division of dwelling into 3x flats. (ADDITIONAL DOCUMENTS RECEIVED: 12/08/2026 - BNG Metric and ReportS). (AMENDED PLANS RECEIVED: 14/04/2026 - alterations to fenestration, internal layout and adjustment to vehicular crossover).
As published by the council, reference 25/1767/FUL
Application record
- Reference
- 25/1767/FUL
- Type
- Full Planning Permission
- Status
- Awaiting decision
- Received
- 11 Dec 2025
- Validated
- 19 Dec 2025
- Ward
- Potters Bar Oakmere
- Parish
- No Parish
- Postcode
- EN6 5JU
Site history
Applications at this address on the Hertsmere register
This site has had 5 applications since 2025: 0 approved, 3 refused.
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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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26/1001/FUL Refused
31 Tempest Avenue Potters Bar Hertfordshire EN6 5JU
Change of use from class C4 (6 Bed HMO) to sui generis (10 bedroom HMO) use facilitated by internal alterations and new dropped kerb.
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26/0436/FUL Refused
31 Tempest Avenue Potters Bar Hertfordshire EN6 5JU
Change of use from class C3 to sui generis 10 bedroom HMO use facilitated by demolition of existing outbuilding and construction of a part single, part two storey side and rear extension and conversion of loft to habitable space to include 2x rear dormers and 3x front rooflights. Alterations to hard landscaping, bin and bike storage and adjustment to vehicular crossover.
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26/0435/FUL Refused
31 Tempest Avenue Potters Bar Hertfordshire EN6 5JU
Change of use from class C3 to sui generis 12 bedroom HMO use facilitated by demolition of existing outbuilding and construction of a part single, part two storey side and rear extension and conversion of loft to habitable space to include 2x rear dormers and 3x front rooflights. Alterations to hard landscaping, bin and bike storage and adjustment to vehicular crossover.
Timeline
Dates from the published record
-
11 Dec 2025
Received by Hertsmere
-
19 Dec 2025
Validated
Checked as complete and ready for consideration.
-
24 Jul 2026
Added to PlanIndex
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Decision
Awaiting decision
Decision expected by 13 February 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 56 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
Dimensions- Planning&Architecture Agent, an architecture practice
282 applications on PlanIndex · across 21 councils · 68% 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
19 documents on file for this application
- Bng metric
- Biodiversity net gain technical note
- Ecological constraints assessment report
- Ecology response
- Proposed plans, elevations and sections
- Highways response
- Bng metric
- Bng report
- Proposed plans and elevations
- Highways comment
- Consultee comment submitted online
- Design and access statement
- Pre-existing location plan,s, elevations and sections
- Application form
- Previously approved / under construction plans, elevations and sections
- Fire safety strategy
- Cil form 1
- Proposed plans, elevations and sections
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 88 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
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31 Tempest Avenue Potters Bar Hertfordshire EN6 5JU
Change of use from class C3 to sui generis 10 bedroom HMO use facilitated by demolition of existing outbuilding and construction of a part single, part two storey side and rear extension and conversion of loft to habitable space to include 2x rear dormers and 3x front rooflights. Alterations to hard landscaping, bin and bike storage and adjustment to vehicular crossover.
Refused Full applications Extension Loft or dormer +1 29 docs -
31 Tempest Avenue Potters Bar Hertfordshire EN6 5JU
Change of use from class C3 to sui generis 12 bedroom HMO use facilitated by demolition of existing outbuilding and construction of a part single, part two storey side and rear extension and conversion of loft to habitable space to include 2x rear dormers and 3x front rooflights. Alterations to hard landscaping, bin and bike storage and adjustment to vehicular crossover.
Refused Full applications Extension Loft or dormer +1 31 docs -
45 Tempest Avenue Potters Bar Hertfordshire EN6 5JY
Construction of first floor rear extension. (amended plans received 13/08/2021.)
Granted Householder Extension 10 docsDomestic -
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.
Decided Full applications 13 docs -
1 Tempest Avenue Potters Bar Hertfordshire EN6 5JU
84% historically approved · decision due ~3 Dec
Subdivision of the land and erection of two new dwellings to include erection of 1.8m boundary fence, hard and soft landscaping, amenity space, cycle and refuse store. Creation of 2 x vehicular crossovers to provide access to each dwelling.
Awaiting decision Full applications New dwellingSeveral homes -
1 Tempest Avenue Potters Bar Hertfordshire EN6 5JU
Application for approval of details reserved by conditions 3 (external surface materials) and 4 (hard surface materials) of planning permission reference 25/1031/FUL.
Decided Conditions 5 docs
Other full applications
In Hertsmere
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26/1282/FUL Granted
188 Mutton Lane Potters Bar Hertfordshire EN6 2AW
Change of use from class C4 (6 bedroom HMO) to sui generis (7 bedroom HMO) use facilitated by internal alterations, loft extension and bin and bike storage.
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26/0914/FUL Granted
24 Southgate Road Potters Bar Hertfordshire EN6 5DZ
Change of use from class C3 to sui generis 10 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. Conversion of loft to habitable space to include rear dormer, 2x front rooflights, alterations to fenestration and alterations to roof. Construction of first floor front/ side extension. Alterations to hard landscaping, bin and bike storage.
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26/1131/FUL Granted
Unit 12 Hamilton Business Park Stirling Way Borehamwood Hertfordshire WD6 2FR
Part first part second floor extension with associated roof alterations.
-
26/1196/FUL Granted
72 Cardinal Avenue Borehamwood Hertfordshire WD6 1ES
Amendment to 25/1574/FUL to include conversion of loft to habitable space with hip-to-gable roof extension and rear dormer, with associated roof alterations.
-
26/0902/FUL Granted
142 Manor Way Borehamwood Hertfordshire WD6 1QX
Part retrospective application for the retention of an outbuilding and the installation of a rear access door in connection with the commercial unit (amended description).