Core Refusal Reason
The proposed two-storey extension, by reason of its height and depth on the shared boundary, would result in excessive overshadowing and an overbearing impact on neighbouring residential properties, particularly No. 42 College Park.
Decision Maker's Conclusion
- The extension would be visually overbearing and overly dominant on neighbouring properties due to its excessive height, massing, and depth directly on the party boundary.
- The applicant failed to provide sufficient technical evidence to prove that the proposal would not cause a significant loss of daylight and sunlight to the habitable rooms of No. 42 College Park.
- The planning precedents cited by the applicant are not applicable as they either lack recorded planning permission or were granted under obsolete development plan cycles with different site contexts.
Cited Policies (CDP)
Section 11.3.3Policy H18 Residential ExtensionsH18 Objective 1South Dublin County Council House Extension Design Guide 2010Zoning Objective 'RES'Section 12.4.2 (South Dublin County Council Development Plan 2004-2010)
Decision Document Summary
The application seeks permission for a two-storey rear extension to an existing semi-detached dormer dwelling at 44 College Park, Dublin 6W. South Dublin County Council initially refused permission based on the structure's excessive scale and the potential for undesirable precedent. In the subsequent appeal, the Inspector noted that the 7-metre high extension would be built directly on the shared boundary with No. 42, presenting a significant gable wall that would overshadow private amenity spac...SOURCE PDFOpen Original
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