Core Refusal Reason
The proposed development, by reason of its design, scale, and visual appearance, would be out of character with the existing property and surrounding residential estate, resulting in a visually obtrusive structure that would seriously injure the visual amenities of the area.
Decision Maker's Conclusion
- The proposed full-width first-floor extension and roof alterations would be visually prominent above the existing roofline and would represent an unacceptable deviation from the established built form of single-storey hipped-roof bungalows in the area.
- Although the orientation and setbacks would mitigate significant overshadowing of neighboring properties, the proposal fails to respect the character of the primary dwelling and the wider streetscape.
- The development is contrary to the policy guidance of the Dun Laoghaire Rathdown County Development Plan 2022-2028 regarding domestic extensions and would set an undesirable precedent for similar incongruous roof modifications.
Cited Policies (CDP)
Zoning Objective 'A'Section 4.3.1.2 (Policy Objective PHP19)Section 12.3.7.1 (ii) Extensions to RearSection 12.3.7.1 (iv) Alterations at Roof/ Attic Level
Decision Document Summary
The application relates to a first-party appeal against a refusal by Dun Laoghaire Rathdown County Council for a 67sq.m first-floor rear extension and significant roof alterations at 3 Wilson Road, Mount Merrion. The site contains an L-shaped bungalow in a mature suburban estate characterized by hipped-roof profiles. The Inspector noted that the proposed extension would protrude to the front and side, making it highly visible from the streetscape. While acknowledging the appellant's argument reg...SOURCE PDFOpen Original
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