Core Refusal Reason
The proposed extension's excessive scale and inadequate setbacks would result in an overbearing impact and overshadowing of adjacent properties, contrary to residential amenity standards.
Decision Maker's Conclusion
- The height, bulk, and massing of the extension, combined with insufficient setbacks, would create an overbearing and visually dominant impact on neighboring properties.
- The development would cause significant injury to residential amenity through overshadowing and is considered out of character with the established pattern of development in the area.
- The proposal fails to comply with the specific requirements for rear extensions set out in Section 12.3.7.1 (ii) of the Dún Laoghaire-Rathdown County Development Plan 2022-2028.
Cited Policies (CDP)
Section 12.3.7.1 (ii)
Decision Document Summary
This application sought permission for a first-floor rear extension above an existing ground-floor structure at Glenview, Sandyford Road, Dundrum. The Planning Authority refused permission primarily due to the extension's excessive scale and lack of adequate separation from boundaries. It was determined that the proposal would negatively impact the residential amenity of adjoining properties through overbearing effects and overshadowing, while also being inconsistent with the local character and...SOURCE PDFOpen Original
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