Planning appeal decision
361 Watling Street, Radlett, Hertfordshire, WD7 7LB
Planning appeal 3339431 at 361 Watling Street, Radlett, Hertfordshire, WD7 7LB (Hertsmere Borough Council) was dismissed on 31 January 2025 by Inspector Cryan M, by written representations. The main issue, as the Inspector framed it: Whether the proposal complies with national and local planning policy in respect of flood risk.
the change of use of a car park to a car showroom
- Authority
- Hertsmere Borough Council
- Appeal type
- minor · Planning Appeal
- Procedure
- Written Representations
- Development
- retail · Change of use
- Inspector
- Cryan M
- Postcode
- WD7 7LB
Main issues, as the Inspector framed them
- Whether the proposal complies with national and local planning policy in respect of flood risk
- The effect of the development on the safe and efficient servicing of premises adjacent to the site, and on the surrounding highway network
- Whether the loss of the car park and service area would have an unacceptable adverse impact on the viability of surrounding district centre uses
What decided it
The absence of a site-specific flood risk assessment in an area of high flood risk, combined with unresolved conflicts regarding highway servicing and district centre viability, meant the development conflicted with the development plan with no material considerations to outweigh this.
What the Inspector cited
- Development plan policies
- Policy SP1Policy SP2Policy SADM14Policy SADM40Policy SADM42Policy CS28Policy RV1
- National Planning Policy Framework
- Paragraph 170Paragraph 176Paragraph 181
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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