2463

of 1. Plot A the existing dwelling house (and exempted domestic garage - under 25sqm) on revised site boundaries to that which was previously granted under previous planning permission reference number 65352 and for new domestic wastewater treatment system, and for 2. Planning permission to construct on Plot B a new dwelling house and new domestic wastewater treatment system and all ancillary site works. Gross floor plan of proposed works: 96sqm

Refused

Core Refusal Reason

The proposal constitutes overdevelopment of the site and fails to meet standards for dependent relative accommodation, while posing significant risks to public health and water quality due to inadequate wastewater treatment and lack of evidence for a suitable water supply in a sensitive hydrogeological area.

Decision Maker's Conclusion

  • The proposed development fails to comply with standards for dependent relative accommodation due to its detached nature and separate access, resulting in overdevelopment and an undesirable precedent for the rural area.
  • The proliferation of individual wastewater treatment systems in an area with shallow soil overlying a regionally important aquifer poses a significant risk to public health, water quality, and the integrity of European sites.
  • The applicant failed to provide documentary evidence of a suitable water supply, further exacerbating public health concerns for future occupants of the habitable unit.

Cited Policies (CDP)

Policy Objective - RH 12DM Standard 5Policy Objective RH11DM Standard 9DM Standard 38Policy Objective WW6Policy Objective NHB 1Policy Objective NHB 2Policy Objective NHB 3Development Management Standard 37

Decision Document Summary

The application sought retention for an existing dwelling on revised boundaries (Plot A) and permission for a new dwelling (Plot B) with associated wastewater systems at An Carn Mór Thiar. Galway County Council refused the application primarily because the new unit failed to meet the criteria for dependent relative accommodation, representing overdevelopment. Furthermore, the site's location over a regionally important aquifer with shallow soils, combined with a high density of existing septic t...
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