Planning appeal decision
1-6 Ash Tree Barn, Monks Green Farm, Mangrove Lane, Hertford , Herts, SG13 8QL
Planning appeal 3340054 at 1-6 Ash Tree Barn, Monks Green Farm, Mangrove Lane, Hertford , Herts, SG13 8QL (East Hertfordshire District Council) was allowed on 27 November 2024 by Inspector Reid L, by written representations. The main issue, as the Inspector framed it: the effect of the development on employment land supply and the rural economy.
Change of use of Ash Tree Barn units 1-6 from Class E (formerly B1) to C3 residential dwellings
- Authority
- East Hertfordshire District Council
- Appeal type
- minor · Planning Appeal
- Procedure
- Written Representations
- Development
- residential · Change of use
- Inspector
- Reid L
- Postcode
- SG13 8QL
Main issues, as the Inspector framed them
- the effect of the development on employment land supply and the rural economy
- whether the development provides acceptable living conditions for the occupiers of units 2-5, with regard to the provision of private amenity space
What decided it
The Council's inability to demonstrate a five-year housing land supply triggered the tilted balance under NPPF paragraph 11(d)(ii), and the moderate benefits of housing delivery and brownfield reuse outweighed the moderate harm from loss of employment land.
The moderate harm from loss of employment land was outweighed by the moderate benefits of providing six additional homes and reusing brownfield land, assessed against the policies in the Framework as a whole under the tilted balance.
What the Inspector cited
- Development plan policies
- Policy GBR1Policy ED1Policy ED2Policy DES4Policy CC1Policy CC2Policy WAT4Policy EN2Policy NE2Policy NE3
- National Planning Policy Framework
- Paragraph 11
- Judgments
- AHGR Limited v Kane-Laverack (2023) EWCA Civ 428
How the Inspector dealt with each one is set out in the app, in order: the development plan, national policy, housing land supply, other considerations and the planning balance, beside the letter.
See how each was appliedThe decision letter
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With an account
What an account adds to this decision


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The main issues, what decided it, the planning balance and the policies and judgments listed as cited are read from the published letter by Town Planner Pro and are our summary, not the Inspector’s words; the letter itself is the record. Contains public sector information licensed under the Open Government Licence v3.0. Research, not advice.
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