Core Planning Reasoning
The proposed front dormer extension is considered to be in accordance with the Dún Laoghaire Rathdown County Development Plan 2022-2028, as it is modest in scale, integrates satisfactorily with the existing dwelling, and does not negatively impact the visual or residential amenities of the surrounding 1930s suburban streetscape.
Decision Maker's Conclusion
- The dormer window is of a modest scale and design that remains subservient to the main roof structure and harmonizes with the existing fenestration pattern of the semi-detached pair.
- The use of zinc is an appropriate contemporary material finish that provides a legible and high-quality addition without compromising the architectural integrity of the original 1930s dwelling.
- The proposal does not set an undesirable precedent as the existing streetscape already exhibits variations in roof profiles, and the development complies with the residential zoning objectives and heritage protection policies.
Cited Policies (CDP)
Objective APolicy PHP19Section 12.3.7Section 12.3.7.1(i)Section 12.3.7.1(iv)Section 11.4.3.2Policy HER20Section 11.4.3.3Policy HER21
Decision Document Summary
This report assesses a third-party appeal against the grant of planning permission for a 1.7sqm dormer window extension at the front of No. 8 Sycamore Road, Mount Merrion. The site features a 1930s semi-detached house within a low-density suburban area. The appellant raised concerns regarding the loss of visual symmetry, the inappropriate use of zinc, and the potential for the development to set a negative precedent for historical estates. The Inspector found that while the neighborhood has a di...SOURCE PDFOpen Original
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