Planning appeal decision
The Garden House,, Putteridge Park,, Luton, Hertfordshire, LU2 8LD
Planning appeal 3362934 at The Garden House,, Putteridge Park,, Luton, Hertfordshire, LU2 8LD (North Hertfordshire District Council) was dismissed on 23 May 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.
a two storey side extension
- Authority
- North Hertfordshire District Council
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Down K
- Postcode
- LU2 8LD
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
- 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 cumulative effect of extensions resulting in a building more than 100% larger than the original dwelling constitutes disproportionate development in the Green Belt that cannot be justified by the personal circumstances advanced.
What the Inspector cited
- Development plan policies
- Policy SP5
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
Town Planner Pro holds this letter. The Appeals plan opens it and every other letter we hold, all of them searchable, with the main issues and what decided each case picked out. We do not show letters on the free site because they carry people’s names and addresses.
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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