Planning appeal decision
6 Horton Gardens, Datchet Road, Horton, Slough, SL3 9PX
Planning appeal 3269928 at 6 Horton Gardens, Datchet Road, Horton, Slough, SL3 9PX (Royal Borough of Windsor and Maidenhead) was dismissed on 27 August 2021 by Inspector Sedgwick P, 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, and the effect of the proposal on the openness of the Green Belt.
erection of a first floor with new dormer windows, new front door canopy and alteration to fenestration
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Sedgwick P
- Postcode
- SL3 9PX
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, and the effect of the proposal on the openness of the Green Belt
- if there would be harm by reason of inappropriateness, and any other harm, whether the harm would be clearly outweighed by other considerations to amount to the very special circumstances necessary to justify the proposal
What decided it
The disproportionate nature of the extension (99.12% increase in floorspace) constituted inappropriate development in the Green Belt, and the harm caused by inappropriateness was not clearly outweighed by other considerations.
The substantial weight afforded to harm caused by inappropriateness in the Green Belt was not outweighed by the absence of other harms or the negligible weight of the fallback position, such that very special circumstances did not exist.
What the Inspector cited
- Development plan policies
- GB1GB4NP/OE4
- National Planning Policy Framework
- Paragraph 149Paragraph 137
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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