2560554

Permission for the demolition of an existing derelict dwelling and construction of a new replacement dwelling & domestic garage, together with an upgrade of the existing septic tank system to a proprietary wastewater treatment system, connection to services and all ancillary site works at

Refused

Core Refusal Reason

Inadequate site characterisation and non-compliant wastewater treatment proposals relative to EPA standards and groundwater protection requirements.

Decision Maker's Conclusion

  • The trial hole was incorrectly located at a higher gradient than the proposed infiltration area, in breach of Section 5.4.2 of the EPA Code of Practice 2021.
  • The Site Characterisation Report failed to identify the site's location within the Oran Ballintubber GWS Source Protection Area, leading to an incorrect groundwater protection response.
  • The applicant failed to provide sufficient technical data, including cross-sections and revised designs, to prove that minimum separation distances to groundwater and bedrock are maintainable.

Cited Policies (CDP)

Section 2.6 Settlement HierarchySection 2.7 Settlement StrategySection 3.9 Rural HousingSection 3.10 Rural Area TypesSection 7.8 Water ServicesChapter 9: Built HeritageSection 12.7 Rural House Design ConsiderationsPolicy 3.17

Decision Document Summary

The proposal involves the demolition of a derelict dwelling and the construction of a replacement house and domestic garage at Carrowduff Upper, Four Mile House, Co. Roscommon. While the Planning Authority accepted the principle of a replacement dwelling under Policy 3.17 of the Roscommon County Development Plan 2022-2028, the application was refused due to critical deficiencies in the proposed wastewater treatment arrangements. The assessment found that the site characterisation was inaccurate ...
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