SD22B/0098

Permission for the construction of a single storey extension to the south side of the house, internal alteration, waste water treatment unit and all ancillary works. Retention permission is sought for a ground floor extension to the west side of the house, 1.5 storey extension to the south side of the house, attic rooms over the original house and approved extension to the north and roof windows to the front and rear.

Refused

Core Refusal Reason

The development fails to meet the strict design and environmental criteria for the High Amenity - Dublin Mountain zoning, lacks sufficient technical information on drainage and landscaping, and constitutes visually obtrusive ad hoc development in a sensitive landscape.

Decision Maker's Conclusion

  • The proposal fails to comply with Policy H27 and H19 criteria, specifically regarding the design of rural extensions and the requirements for family flats, including demonstrating genuine need and size limitations.
  • Insufficient technical data was provided concerning wastewater treatment, surface water drainage, and the impact on existing trees and landscaping, posing a risk to public health and the environment.
  • The development represents visually obtrusive, ad hoc suburban-style encroachment into the highly sensitive Athgoe and Saggart Hills landscape, which would negatively impact significant views and the character of the Dublin Mountains.

Cited Policies (CDP)

Zoning Objective HA - DMPolicy H27Policy H19Paragraph 11.3.3 (ii)Policy HCL7Policy HCL15Policy HCL9

Decision Document Summary

This application sought permission and retention for a single-storey extension at Glenaraneen, Brittas, located within the High Amenity - Dublin Mountain (HA-DM) zoning of the South Dublin County Council Development Plan 2016-2022. The planning authority refused the application on multiple grounds, primarily citing the sensitive nature of the Athgoe and Saggart Hills landscape and the proposal's failure to meet specific design standards for rural extensions and family flats. Furthermore, the app...
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