Planning appeal decision
4 Castle Avenue, Datchet, SL3 9BA
Planning appeal 3337623 at 4 Castle Avenue, Datchet, SL3 9BA (Royal Borough of Windsor and Maidenhead) was allowed in part (a split decision) on 7 May 2024 by Inspector Ellis G, by written representations. The main issue, as the Inspector framed it: The effect of the development on the character and appearance of the host property and the surrounding area.
a single storey front extension, single storey rear extension, partial garage conversion, one side dormer, enlargement and alterations of existing front and rear dormers and alterations to fenestration
- Appeal type
- householder · Householder (HAS)
- Procedure
- Written Representations
- Development
- residential · Householder developments
- Inspector
- Ellis G
- Postcode
- SL3 9BA
Main issues, as the Inspector framed them
- The effect of the development on the character and appearance of the host property and the surrounding area
- Flood risk
What decided it
The absence of a flood risk assessment for the ground floor extensions in a Flood Zone 3 location, which could not be remedied by conditions, necessitated dismissal of those elements despite their acceptable design impact.
What the Inspector cited
- Development plan policies
- Policy QP 3Policy NR 1Policy DAT.2
- National Planning Policy Framework
- Paragraph 59
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


More decisions in Royal Borough of Windsor and Maidenhead
The authority’s record since 2016 · every decision in 2024
- Allowed27 October 20266007126Grove Park Industrial Estate Waltham Road, White Waltham, Maidenhead, SL6 3JF
- Allowed26 October 20266014376Roseland, High Road, Cookham, Maidenhead, SL6 9JS
- Dismissed21 October 20266009694Land Adjacent to Stud Green Farm, Sturt Green, Holyport, SL62JH
- Dismissed9 October 2026600900559 to 61 and Land to the Rear of 59 to 61 St Leonard's Road, Windsor, SL4 3BX
- Notice upheld24 September 20263353235Sunnyside Stanwell Road, Horton, Slough, SL3 9PE
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.
®