21/6978

Permission for retention of single storey extension to rear of existing dwelling, retention of existing detached domestic garage , retention and completion of detached potting shed to rear of dwelling, retention and completion of first floor extension over existing bedrooms previously granted under planning registration reference no. 08/9604 and permission to construct single storey bay window to the front elevation of existing dwelling.

Granted

Core Planning Reasoning

The first-floor extension is refused because the applicant failed to demonstrate that the site's ground conditions, specifically on a steep embankment of unknown stability, are suitable for the wastewater treatment system required to handle the increased loading from additional bedrooms.

Decision Maker's Conclusion

  • The ground-floor elements, including the garage and potting shed, are modest in scale and do not adversely impact the residential or visual amenity of the area.
  • The first-floor extension, while not significantly impacting neighbors via overlooking or overshadowing, represents an intensification of use that has not been proven to be safely serviced by the on-site wastewater treatment system.
  • Granting permission for the first-floor extension would be prejudicial to public health due to the lack of certainty regarding effluent disposal in sensitive ground conditions.

Cited Policies (CDP)

Section 18.3.3 (Existing Residential / Mixed Residential and Other Uses)Objective GI 14-10 (High Value Landscape)Objective RP 5-23 (Servicing of single houses/wastewater systems)

Decision Document Summary

This report concerns an appeal against Cork County Council's decision to grant permission for the retention and completion of various extensions and structures at Herne Hill Lodge, Myrtleville. The site is located in a 'High Value Landscape' overlooking the coast. While third-party appellants raised concerns regarding the height of a first-floor extension and potential light pollution, the Inspector found these impacts to be negligible given the separation distances. However, the Inspector ident...
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