Core Refusal Reason
The proposed dormer extension is visually obtrusive and out of character due to its design protruding past the existing ridge line, violating local design guidelines and zoning objectives.
Decision Maker's Conclusion
- The design of the rear dormer extension would protrude past the existing ridge line, resulting in a visually obtrusive structure that is out of character with the established residential area.
- The proposal is contrary to the South Dublin County Council House Extension Design Guide and the 'RES' zoning objective, which seeks to protect and improve residential amenity.
- The development would set an undesirable precedent for similar future developments that would cumulatively harm the visual and residential amenities of the locality.
Cited Policies (CDP)
South Dublin County Council Development Plan 2022 - 2028RES zoning objectiveSouth Dublin County Council House Extension Design Guide (2010)
Decision Document Summary
The proposal involved the construction of an attic level dormer window with an increased ridge height at 13 Elmcastle Green, Kilnamanagh, Dublin 24. South Dublin County Council refused the application primarily because the extension's height exceeded the existing roofline, making it a visually dominant and inappropriate addition to the streetscape. The decision noted that the development failed to adhere to the South Dublin County Council House Extension Design Guide (2010) and would negatively ...SOURCE PDFOpen Original
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