Core Planning Reasoning
The proposed rear dormer window would be visually overbearing, lacks subservience to the original roof profile, and fails to respect the architectural character of the uniform period terrace, thereby injuring visual amenities and setting an undesirable precedent.
Decision Maker's Conclusion
- The dormer window lacks a subservient built form, fails to provide an adequate step-down from the ridgeline, and obscures a significant portion of the original hipped roof profile.
- The proposed materials, specifically the extensive use of timber cladding and excessive glazing, do not harmonize with the host dwelling or the established character of the terrace group.
- Permitting the dormer would create an undesirable precedent for cumulative diminishment of visual and residential amenities in a highly uniform and mature residential scheme.
Cited Policies (CDP)
Section 14.7.1 (Z1 Sustainable Residential Neighbourhoods)Section 15.5.3 (Alterations and Extensions)Appendix 18, Section 1.1 (General Design Principles)Appendix 18, Section 1.2 (Extensions to Rear)Appendix 18, Section 1.4 (Privacy and Amenity)Appendix 18, Section 1.5 (Separation Distances)Appendix 18, Section 1.6 (Daylight and Sunlight)Appendix 18, Section 1.7 (Appearance and Materials)Appendix 18, Section 4 (Alterations at Roof Level/Attics/Dormers)Appendix 18, Section 5 (Attic Conversions/Dormer Windows)Table 18.1 (Dormer Windows Guidance)
Decision Document Summary
The appeal concerns a proposal at No. 87 Iveagh Gardens, Dublin 12, for the replacement of a rear extension and a dormer attic conversion. The Planning Authority granted permission but included Condition No. 2, which mandated the omission of the rear dormer window in the interest of visual and residential amenity. The applicants appealed this specific condition, citing the need for additional family space and providing a revised design. The Inspector evaluated the case against the Dublin City De...SOURCE PDFOpen Original
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