Planning application
31 Tempest Avenue Potters Bar Hertfordshire EN6 5JU
Works: Extension Loft or dormer Demolition
Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.
Proposal
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.
As published by the council, reference 26/0435/FUL
Application record
- Reference
- 26/0435/FUL
- Type
- Full Planning Permission
- Status
- Decided
- Decision
- Refused As published: Refuse Permission
- Received
- 1 Apr 2026
- Validated
- 15 Apr 2026
- Decided
- 9 Jun 2026
- Ward
- Potters Bar Oakmere
- Parish
- No Parish
- Decision by
- Delegated Decision
- 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.
-
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.
-
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.
-
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.
-
25/1767/FUL Awaiting decision
31 Tempest Avenue Potters Bar Hertfordshire EN6 5JU
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).
Timeline
Dates from the published record
-
1 Apr 2026
Received by Hertsmere
-
15 Apr 2026
Validated
Checked as complete and ready for consideration.
-
9 Jun 2026
Decision issued: Refuse Permission
-
9 Aug 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
- Appeal: 26/0032/APP (Appeal In Progress)
Who's behind it
Company information only, from the register and Companies House
DIMENSIONS Agent, registered in Harrow
Dissolved · incorporated 1988 · Harrow
27 applications on PlanIndex · across 11 councils · 50% 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
31 documents on file for this application
- Appeal questionnaire
- Start letter notification
- Start letter notification
- Statement of case
- Statement of case - appendix 8 relevant hertsmere planning permissions
- Statement of case - appendix 7 printed minutes executive committee 14.09.2022
- Statement of case - appendix 6 transport supporting statement
- Statement of case - appendix 5 comparison with 70 oakmere avenue
- Statement of case - appendix 4 decision notice 70 oakmere avenue
- Statement of case - appendix 3 officer delegated report 70 oakmere avenue
- Statement of case - appendix 2 consented plans 70 oakmere avenue
- Statement of case - appendix 1 printed minutes flatted development at 31 tempest
- Decision notice
- Delegated report
- Local lead flood authority response
- Potters bar society comments
- Consultee comment submitted online
- Hig response
- Uk power network response
- Application form redacted
- Feecalculation
- Site supervision management plan
- Proposed plans, elevations, and sections
- Existing plans, elevations, and sections
- Biodiversity net gain technical note
- Preliminary ecological appraisal
- Covering letter
- Cil form 1: cil additional information
- Transport technical note
- Hmo management plan
- Site supervision management plan
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this refusal means
Hertsmere refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. More in our guide to what happens after a planning decision.
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
-
31 Tempest Avenue Potters Bar Hertfordshire EN6 5JU
83% historically approved · decision due ~13 Feb
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).
Awaiting decision Full applications New dwelling Extension +4 19 docsSmall domestic -
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 -
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
83% 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
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