2314

Permission to extend and renovate an existing dwelling house. The works will include: 1. To raise the roof of the existing dwelling to provide living accommodation in the roof space; 2. The construction of a storey and a half extension to the rear of the dwelling; 3. To construct a new porch at the front of the dwelling; 4. To decommission an existing septic tank serving the existing dwelling and replace it with a new wastewater treatment system and percolation area along with all associated site works at

Refused

Core Refusal Reason

The proposed extension is excessive in scale, fails to integrate with or remain subordinate to the original cottage, and lacks sufficient technical information regarding wastewater treatment.

Decision Maker's Conclusion

  • The scale and design of the extension are not subordinate to the existing dwelling, effectively subsuming the original cottage and equating to the construction of a new house.
  • The proposal fails to comply with the design standards for house extensions set out in Section 12.8 of the Roscommon County Development Plan 2022-2028.
  • The applicant failed to provide adequate information to demonstrate that the proposed wastewater treatment system would not be injurious to public health.

Cited Policies (CDP)

Chapter 7 - Section 7.4Section 7.7Section 7.8Chapter 12 - Section 12.8

Decision Document Summary

This application sought permission to extend and renovate an existing cottage at Cloonacarrow, Boyle, including raising the roof and adding a large 1.5-storey rear extension. The site is located off the R361 Regional Road opposite Saint Bridget's Church. Roscommon County Council refused the application because the proposed design was deemed excessive in scale, failing to respect the character of the original dwelling and effectively replacing it with a new structure. Additionally, the planning a...
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