22340

Permission for development consisting of the construction of a new detached dwelling house & garage, new vehicular entrance, wastewater treatment system and associated site works and services at

Refused

Core Refusal Reason

The site is unsuitable for the safe disposal of domestic effluent due to extreme groundwater vulnerability and its proximity to a public water supply source protection area.

Decision Maker's Conclusion

  • The site fails to meet the requirements of the 2021 EPA Code of Practice for the safe disposal of effluent.
  • The presence of mature trees on-site creates a significant risk of roots providing preferential flow paths for pollutants to reach groundwaters.
  • The proposed development is located in an area of extreme groundwater vulnerability and in close proximity to the Source Protection Area for the Boyle Ardcarn Public Water Supply, posing a threat to public health.

Cited Policies (CDP)

Roscommon County Development Plan 2022-2028Chapter 2 - Core Strategy and Settlement PolicyChapter 3 - People, Places and HousingSection 3.10 Rural Area TypesChapter 7 - Infrastructure, Transport and CommunicationsSection 7.8 Water ServicesChapter 12 - Development Management StandardsSection 12.7 Rural House Design ConsiderationsSection 12.24 Roads and Transportation

Decision Document Summary

The applicants sought permission for a substantial 598sqm contemporary dwelling and a 104sqm garage on a 1.39-hectare mature woodland site in Ballyardan, Boyle, Co. Roscommon. Although the proposal was deemed acceptable in principle within a 'Remaining Rural Area' and the design was generally considered site-appropriate, the application was refused due to critical environmental constraints. The Planning Authority, following a negative report from the Environment Department, concluded that the si...
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