SD22B/0354

Two storey extension and single storey side extension to existing dwelling, comprising of 160sq.m to ground floor and 137sq.m to the first floor, accommodating additional bedrooms and living accommodation and granny flat; Finishes to be painted sand and cement render to walls and natural slate tiles to the roof.

Refused

Core Refusal Reason

The proposed extensions fail to protect the natural character of the Dublin Mountains (HA-DM zoning) due to excessive scale, inappropriate design, lack of Sustainable Drainage Systems (SuDS), and non-compliance with rural housing and family flat standards.

Decision Maker's Conclusion

  • The height, scale, and massing of the extensions are visually intrusive and contravene the zoning objective to protect the natural character of the Dublin Mountains Area.
  • The application lacks critical technical data concerning wastewater treatment compliance, environmental impact assessments, and Sustainable Drainage Systems (SuDS).
  • The proposed family flat fails to meet development plan requirements regarding internal access to the main dwelling and the appropriate positioning of external entrances.

Cited Policies (CDP)

Policy H23, Objective 1Section 12.6.9Policy GI4HA-DM Zoning Objective

Decision Document Summary

The proposal involves a two-storey and single-storey side extension to a dwelling at The Lugg, Saggart, Co. Dublin, situated in the high-amenity Dublin Mountains area. South Dublin County Council refused the application primarily because the design's massing and roof profiles were deemed unsympathetic to the rural landscape and contrary to Policy H23 and Section 12.6.9 of the Development Plan. Furthermore, the refusal was based on significant deficiencies in information regarding drainage, envir...
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