Planning appeal decision
Cleft Oak Cottage, Hollybush Close, Potten End, Berkhamsted, HP4 2SN
Planning appeal 3367304 at Cleft Oak Cottage, Hollybush Close, Potten End, Berkhamsted, HP4 2SN (Dacorum Borough Council) was dismissed on 4 August 2025 by Inspector Down K, by written representations. The main issue, as the Inspector framed it: Whether the proposed development would amount to inappropriate development in the Green Belt, having regard to the NPPF 2024 and any relevant development plan policies.
demolition of existing side garage and rear extension and construction of single storey side and rear extensions and two storey front and rear extensions, front porch and associated works
- Authority
- Dacorum Borough Council
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Down K
- Postcode
- HP4 2SN
Main issues, as the Inspector framed them
- Whether the proposed development would amount to inappropriate development in the Green Belt, having regard to the NPPF 2024 and any relevant development plan policies
- The effect on the openness of the Green Belt
- The effect on the character and appearance of the host dwelling and the surrounding area
- The effect on the living conditions of occupiers of Holly Cottage with regard to light
- If the proposed development would amount to inappropriate development, whether the harm by reason of inappropriateness and any other harm is clearly outweighed by other considerations, such as to amount to the very special circumstances necessary to justify the development
What decided it
The proposed development would be inappropriate development in the Green Belt causing substantial harm through disproportionate additions and loss of openness, with no very special circumstances to justify it.
What the Inspector cited
- Development plan policies
- CS5CS11CS12Policy 22Appendix 3
- 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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