Core Refusal Reason
The proposed second-floor extension is considered overbearing and detrimental to the residential and visual amenities of the Z2 conservation area due to its scale, design, and negative impact on neighboring properties.
Decision Maker's Conclusion
- The development's scale, massing, and design would create an overbearing presence that dominates the rear roofscape and negatively impacts the visual character of the residential conservation area.
- The proximity to site boundaries would result in undue overlooking and overshadowing of the adjoining property at No. 2 Cowper Road, harming its residential amenity.
- The proposal fails to comply with the Z2 zoning objective and specific guidelines in Appendix 18 of the Dublin City Development Plan 2022-2028 regarding rear extensions and dormer windows.
Cited Policies (CDP)
Appendix 18 (Section 1.2)Appendix 18 (Section 5.0)Z2 residential conservation zoning objective
Decision Document Summary
The proposal involves an 11.5sq m second-floor rear extension at 1 Cowper Road, a property located within a Z2 residential conservation area in Rathmines. The local authority refused permission because the extension's scale and prominent corner location would result in an overbearing structure that dominates the roofscape. Furthermore, the design was found to cause significant overlooking and overshadowing of the neighboring residence at No. 2 Cowper Road, thereby conflicting with the Dublin Cit...SOURCE PDFOpen Original
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