Core Refusal Reason
The development is located in a high-risk flood zone (Flood Zone A) where highly vulnerable development is prohibited, and its design is visually incongruous with the surrounding area.
Decision Maker's Conclusion
- The proposal constitutes 'Highly Vulnerable Development' and 'Minor Development - Class 2' within Flood Zone A, which is explicitly not permitted under the Strategic Flood Risk Assessment guidelines of the County Development Plan.
- The applicant failed to demonstrate that the structure was not derelict, leading the Planning Authority to treat the works as new standalone development in an area at significant risk of flooding.
- The overall design, bulk, and scale of the rear extension are visually incongruous and fail to integrate with the existing structure or streetscape, causing injury to visual amenities and property values.
Cited Policies (CDP)
Appendix 13 (Strategic Flood Risk Assessment)Section 4.6 of Appendix 13Section 5.3.3 of Appendix 13Dun Laoghaire Rathdown County Development Plan 2016-2022
Decision Document Summary
This application for retention permission concerns a part dormer and two-storey rear extension at 60 Commons Road, Loughlinstown. The site is located within the Shanganagh River catchment and is designated as Flood Zone A. The local authority refused the application primarily because the development is classified as highly vulnerable and is located in a high-risk flood zone where such development is prohibited by the County Development Plan's Strategic Flood Risk Assessment. Furthermore, the ext...SOURCE PDFOpen Original
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