Core Refusal Reason
The proposed extension's excessive bulk, scale, and massing fail to appear subsidiary to the original dwelling, resulting in a negative impact on the character of the Marlborough Road Architectural Conservation Area.
Decision Maker's Conclusion
- The proposed two-storey side extension is excessive in bulk, scale, and massing, failing to remain subsidiary to the original dwelling or maintain its legibility.
- The development would negatively impact the character and appearance of the Marlborough Road Architectural Conservation Area (ACA) by obscuring the architectural expression of the original structure.
- The proposal is contrary to Policy Objective HER13 and Section 12.11.4 of the Dun Laoghaire-Rathdown County Development Plan 2022-2028 and the principles of proper planning.
Cited Policies (CDP)
Policy Objective HER13Section 12.11.4
Decision Document Summary
The proposal involves the removal of a non-original single-storey structure and the construction of extensions at 17 Marlborough Road, Glenageary, a property located within an Architectural Conservation Area (ACA). The local authority refused permission primarily because the two-storey side extension's scale and massing were deemed excessive and not sufficiently set back or subsidiary to the main house. Consequently, the development was found to negatively impact the character of the ACA and the...SOURCE PDFOpen Original
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