21592

Permission for proposed renovation and extension of existing dwelling house with significant alterations to all elevations to include construction of two-storey extension to the south east elevation of the existing dwelling, proposed effluent treatment system and percolation area and all associated site works at

Refused

Core Refusal Reason

The proposed extension was refused due to its excessive scale, proportions, and design, which failed to integrate with or remain subordinate to the existing single-storey dwelling.

Decision Maker's Conclusion

  • The proposed two-storey extension, with a floor area of 277sqm, is significantly larger than the existing 98sqm cottage and is therefore not subordinate in scale.
  • The design concept, featuring a barrel roof and a two-storey link, is considered incapable of integrating with or complementing the materials and character of the original dwelling.
  • The proposal fails to meet the criteria for house extensions set out in Section 9.9 of the Roscommon County Development Plan 2014-2020 and would be contrary to the proper planning of the area.

Cited Policies (CDP)

Section 9.5 Rural Siting and DesignSection 9.9 House ExtensionsChapter 9

Decision Document Summary

The application proposed the renovation and substantial extension of an existing single-storey cottage at Corlis, Co. Roscommon, including a 277sqm two-storey addition and a new effluent treatment system. While the site was considered suitable for wastewater disposal and road access, the planning authority refused permission primarily on visual and design grounds. The inspector concluded that the extension's scale and proportions were not subordinate to the original structure and that the design...
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