Planning appeal decision
5 London Road, Shenley, Radlett, Hertfordshire, WD7 9EW
Planning appeal 3306416 at 5 London Road, Shenley, Radlett, Hertfordshire, WD7 9EW (Hertsmere Borough Council) was dismissed on 26 September 2023 by Inspector Smith J, by written representations. The main issue, as the Inspector framed it: whether the proposal would be inappropriate development in the Green Belt having regard to the National Planning Policy Framework and any relevant development plan policies.
Single storey extension to existing residential building
- Authority
- Hertsmere Borough Council
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Smith J
- Postcode
- WD7 9EW
Main issues, as the Inspector framed them
- whether the proposal would be inappropriate development in the Green Belt having regard to the National Planning Policy Framework and any relevant development plan policies
- the effect of the proposal on the openness of the Green Belt
- whether any harm by reason of inappropriateness, and any other harm, would be clearly outweighed by other considerations, so as to amount to the very special circumstances required to justify the proposal
What decided it
The cumulative effect of extensions, resulting in the dwelling being more than double the original size, constituted disproportionate additions that could not be justified by the modest benefits offered.
What the Inspector cited
- Development plan policies
- Policy CS13Policy SADM26
- National Planning Policy Framework
- Paragraph 149Paragraph 11
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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