SD21B/0347
First floor rear extension; two storey side extension; removal of main existing pitched roof on dwelling and replacement of same with a mixture of pitch and flat roof; 1 'Velux' window in front and rear of new roof; 3 'Velux' windows in side north face of new roof; 1 dormer structure with 3 obscure windows on side south face of new roof; all associated site works.
Refused
Core Refusal Reason
The proposal was refused due to its inappropriate scale and design on a prominent corner site, non-compliance with mandatory water infrastructure separation distances, and failure to adhere to the SDCC House Extension Design Guide.
Decision Maker's Conclusion
- The proposed two-storey side extension, featuring a flat roof and projecting above the main dwelling's eaves, is visually incongruous and fails to respect the character of the prominent corner site.
- The development fails to meet Irish Water's mandatory 3-meter separation distance from the public watermain and lacks adequate SuDS features and appropriate drainage connection angles.
- The proposal is contrary to the 'RES' zoning objective and the SDCC House Extension Design Guide, as it would be visually obtrusive and injurious to the residential amenities of the surrounding area.
Cited Policies (CDP)
RES zoning objectiveSDCC House Extension Design GuideSouth Dublin County Council Development Plan 2016-2022
Decision Document Summary
The application sought permission for a first-floor rear extension and a two-storey side extension at 432A Orwell Park Green, a prominent corner site in Dublin 6W. South Dublin County Council refused the application primarily because the design—specifically the flat-roofed side extension—was deemed visually harmful and out of character with the streetscape. Additionally, the proposal presented significant technical deficiencies, including encroachment on a public watermain and inadequate surface...SOURCE PDFOpen Original
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