Core Planning Reasoning
The Inspector recommended the removal of Condition 2, which restricted the extension depth, on the basis that the front building line along Coolamber Park is already significantly modified by various extensions and the proposed 2.5m projection does not negatively impact the character or amenities of the area.
Decision Maker's Conclusion
- The front building line in the estate is not uniform, as many neighboring properties have previously established extensions that exceed the 1.5m limit specified in Condition 2.
- The SDCC House Extension Design Guide 2025 is intended as guidance and should be applied with flexibility rather than as a mandatory, rigid standard.
- The proposed extension at a 2.5m projection (inclusive of bay window) is acceptable in scale and design and does not warrant the restriction sought by the Planning Authority.
Cited Policies (CDP)
South Dublin County Development Plan 2022-2028 Zoning Objective RESSDCC House Extension Design Guide 2025 Section 1.1SDCC House Extension Design Guide 2025 Section 3.2.2 Built Form Principle (BFP2)
Decision Document Summary
This is a first-party appeal against a condition attached to a grant of permission for a single-storey front extension at 17 Coolamber Park, Knocklyon. The extension involves enclosing a carport to provide a bathroom and living area, projecting 2.05m from the main facade with a bay window adding a further 0.45m. The Planning Authority (South Dublin County Council) imposed Condition 2, requiring the extension to be reduced to a maximum depth of 1.5m to comply with the SDCC House Extension Design ...SOURCE PDFOpen Original
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