Core Refusal Reason
The proposed development is considered visually dominant and incongruous with the character of the existing gable-fronted dwelling and the established streetscape, thereby injuring the visual and residential amenities of the area.
Decision Maker's Conclusion
- The scale and massing of the dormer extensions would create a 'top-heavy' appearance that fundamentally alters the architectural proportions and style of the existing house.
- The change in the roof profile cannot be absorbed within the ordered streetscape of similar dwelling types and would set an undesirable precedent for disorderly development.
- The proposal fails to meet the criteria of the Dun Laoghaire-Rathdown County Development Plan 2016-2022 regarding the design and bulk of roof extensions.
Cited Policies (CDP)
Section 8.2.3.4 (i) Extensions to DwellingsZone A ObjectiveChapter 8 Housing Standards
Decision Document Summary
This report concerns a first-party appeal for a proposal to construct two 26sqm dormer extensions (total 52sqm) at 56 Avondale Road, Killiney. The site contains a detached dormer dwelling characterized by a prominent triangular gable front and expansive roof slopes typical of the streetscape. While the applicant argued for additional family space and the use of matching materials, the Planning Authority refused permission based on the development's substantial scale and massing. The Inspector ag...SOURCE PDFOpen Original
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