Core Refusal Reason
The proposed rear dormer extension is excessive in size, scale, and bulk, failing to meet specific roof alteration standards and appearing as an incongruous third storey.
Decision Maker's Conclusion
- The rear dormer extension is excessive in size, scale, and bulk, failing to integrate with the existing roof profile.
- The design fails to adhere to specific development standards as it is not set down from the ridgeline or set up from the eaves.
- The resulting structure would visually read as an inappropriate third-storey extension, contrary to the proper planning and development of the area.
Cited Policies (CDP)
Section 12.3.7.1 Extensions to Dwellings (iv) Alterations at Roof/Attic LevelDun Laoghaire Rathdown County Development Plan (2022-2028)
Decision Document Summary
This application sought permission for an altered second-floor attic extension at 23 Riverside Drive, Rathfarnham. The proposal was refused by the local authority because the rear dormer's scale and bulk did not comply with the Dun Laoghaire Rathdown County Development Plan (2022-2028). Specifically, the extension failed to maintain necessary setbacks from the ridgeline and eaves, resulting in a structure that appeared as a full third storey rather than a subordinate roof alteration....SOURCE PDFOpen Original
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