Planning appeal decision
Hideaway, Naphill Common, Naphill, High Wycombe, Buckinghamshire, HP14 4SU
Planning appeal 3301285 at Hideaway, Naphill Common, Naphill, High Wycombe, Buckinghamshire, HP14 4SU (Buckinghamshire Council - Wycombe Area *) was dismissed on 27 February 2023 by Inspector Plenty B, by written representations. The main issue, as the Inspector framed it: Whether the proposed extension would be inappropriate development in the Green Belt having regard to the National Planning Policy Framework and any relevant development plan policies.
to construct a single storey rear extension
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Plenty B
- Postcode
- HP14 4SU
Main issues, as the Inspector framed them
- Whether the proposed extension would be inappropriate development in the Green Belt having regard to the National Planning Policy Framework and any relevant development plan policies
- The effect on the openness of the Green Belt
- The effect of the proposal on the Chilterns Beechwoods SAC
- If the proposal would be inappropriate development, whether the harm by reason of inappropriateness, and any other harm, is clearly outweighed by other considerations, so as to amount to very special circumstances to justify it
What decided it
The cumulative effect of the proposed extension combined with previous additions would exceed the 50% threshold for disproportionate additions to the original dwelling, constituting inappropriate Green Belt development that could not be justified by very special circumstances.
What the Inspector cited
- Development plan policies
- Policy CP8Policy DM43
- National Planning Policy Framework
- Paragraph 149Paragraph 147Paragraph 148
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


More decisions in Buckinghamshire Council - Wycombe Area
The authority’s record since 2016 · every decision in 2023
- Dismissed11 June 20263377185Land West of Hammersley Lane, Tylers Green, Bucks, HP10 8HF
- Notice varied and upheld6 May 20263343911The Crown, City Road, Radnage, High Wycombe, HP14 4DW
- Planning permission granted20 April 20263341132Old Dairy Chapel Hill, Speen, Princes Risborough, HP27 0SP
- Dismissed26 February 20263364983Valley View Barn , Winchbottom Lane , Little Marlow , Buckinghamshire , HP10 9QF
- Notice upheld19 January 20263337790Land Adjoining The House, Bourne End, SL8 5LF
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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