Core Planning Reasoning
The appeal was a first-party challenge to Condition 2 of a grant. The Inspector recommended omitting the requirements to reduce the dormer width and window size but upheld the requirement to set the dormer structure down 300mm from the ridge to ensure the addition remains visually subordinate to the main roof.
Decision Maker's Conclusion
- The 3.0-metre dormer width is acceptable and subordinate in scale to the roof structure, with similar precedents established in the immediate area (e.g., 77 Pecks Lane).
- The condition limiting window openings to 1.2 metres should be omitted as the proposed openings already meet this threshold and the restriction is unnecessary.
- The requirement to set the dormer 300mm down from the ridge level is warranted to prevent the structure from dominating the roof profile, despite the resulting reduction in internal head height for the non-habitable space.
Cited Policies (CDP)
RS Zoning ObjectiveFingal County Development Plan 2023-2029Section 14.10.2.5 (Roof Alterations including Attic Conversions and Dormer Extensions)Chapter 14 (Development Management Standards)
Decision Document Summary
This report assesses a first-party appeal by Declan Baxter against Condition 2 of a permission granted by Fingal County Council for an attic conversion at 88 Pecks Lane, Castleknock. The proposed development involves a hip-to-gable roof conversion and a 3-metre wide rear dormer. The Planning Authority's Condition 2 sought to reduce the dormer width to 2.6m, limit window widths to 1.2m, and increase the set-down from the ridge to 300mm. The Inspector argued that the 3m width is visually acceptabl...SOURCE PDFOpen Original
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