Core Refusal Reason
The proposal fails to meet development plan standards regarding dormer design, residential separation distances, and mandatory clearance from public water infrastructure.
Decision Maker's Conclusion
- The dormer extension design is non-compliant with height and window alignment standards and provides inadequate internal residential amenity due to low ceiling heights.
- The development breaches the required 22-metre separation distance between opposing first-floor windows, resulting in excessive overlooking and a material contravention of Objective DMSO23.
- The proposed structure fails to maintain the necessary 5-metre separation distance from an adjacent trunk surface water sewer, posing a risk to public infrastructure.
Cited Policies (CDP)
Section 14.10.2.5Objective DMSO23RS zoning
Decision Document Summary
The applicant sought permission for a two-storey side extension at 87 Delwood Drive, Castleknock. Fingal County Council refused the application because the dormer element failed to meet specific design and amenity standards, and the overall layout resulted in unacceptable overlooking of neighboring properties. Additionally, the proposal encroached upon a critical trunk surface water sewer and was found to materially contravene the Fingal County Development Plan 2023-2029, setting an undesirable ...SOURCE PDFOpen Original
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