2360086
Permission for the following:1. Planning permission to demolish out building to rear of dwelling, 2. Planning permission to construct extension to rear of existing dwelling house, 3. Planning permission to upgrade existing septic tank to a Tertiary Treatment System with a percolation area and all site ancillary development works at
Refused
Core Refusal Reason
The proposed extension is excessive in scale relative to the original dwelling and fails to meet design standards for subordination and architectural compatibility, coupled with unaddressed surface water flood risks.
Decision Maker's Conclusion
- The proposed extension's floor area of 194sqm significantly exceeds that of the original 112sqm dwelling, failing the requirement for extensions to be subordinate in size and massing.
- The design concept is not considered complementary to the existing house and requires a fundamental redesign to comply with the County Roscommon Rural Design Guidelines.
- The site's low-lying position relative to the N5 road presents a risk of surface water flooding that has not been adequately addressed in the current proposal.
Cited Policies (CDP)
Chapter 7Chapter 12Section 12.8County Roscommon Rural Design Guidelines
Decision Document Summary
The proposal involves the demolition of an outbuilding, the construction of a large two-storey rear extension, and a wastewater system upgrade at Cloonslanor, Strokestown. Although the principle of development is acceptable in this rural area, the Planning Authority determined that the extension's scale and design are inappropriate and non-subordinate to the original dwelling. Furthermore, the site's topography below the level of the N5 road necessitates specific measures to prevent surface wate...SOURCE PDFOpen Original
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