Planning appeal decision
97 Datchworth Green, Datchworth, Knebworth, SG3 6TL
Planning appeal 3345265 at 97 Datchworth Green, Datchworth, Knebworth, SG3 6TL (East Hertfordshire District Council) was dismissed on 2 December 2024 by Inspector Knight A, 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 rear extension
- Authority
- East Hertfordshire District Council
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Knight A
- Postcode
- SG3 6TL
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 proposal constitutes inappropriate development in the Green Belt by reason of disproportionate additions to the original building, and the harm to the Green Belt and openness is not clearly outweighed by other considerations.
What the Inspector cited
- Development plan policies
- Policy GBR1
- National Planning Policy Framework
- Paragraph 154
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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