Core Refusal Reason
The proposed second-floor extension is considered visually dominant, overbearing, and incongruous with the architectural character of the existing building and the Booterstown Avenue Candidate Architectural Conservation Area (cACA).
Decision Maker's Conclusion
- The proposed roofscape alterations would visually detract from the architectural composition of the building and fail to protect the established built character of the Booterstown Avenue Candidate Architectural Conservation Area.
- The scale, bulk, and massing of the extension are incongruous with the existing building and would set an unfavourable precedent for future development in the locality.
- The design and location of the second-floor structure would be visually dominant and overbearing, resulting in serious injury to the visual amenity of the surrounding area.
Cited Policies (CDP)
Policy Objective HER18Policy Objective HER21Section 12.3.7.1(ii)
Decision Document Summary
The proposal sought permission for the removal of an existing rear roof to facilitate a new second-floor extension at 37 Booterstown Avenue, Blackrock, a site situated within a Candidate Architectural Conservation Area (cACA). Dún Laoghaire-Rathdown County Council refused the application on the grounds that the development failed to integrate sympathetically with the existing building or the wider streetscape. The planning authority determined that the extension's scale and massing would be over...SOURCE PDFOpen Original
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