Core Refusal Reason
The proposed rear dormer extension constitutes overdevelopment and visual incoherence due to its dominant flat roof design on a prominent corner site.
Decision Maker's Conclusion
- The proposed extension to the rear dormer would result in overdevelopment of the site by creating a dominant flat roof structure on the rear elevation.
- The design is considered visually incoherent with the existing dwelling and inconsistent with the established pattern of development in the vicinity.
- The proposal fails to comply with Section 12.3.7.1 of the Dun Laoghaire-Rathdown County Development Plan 2022-2028 and is contrary to proper planning and sustainable development.
Cited Policies (CDP)
Section 12.3.7.1
Decision Document Summary
This planning application proposed the installation of a front dormer window and the extension of an existing rear dormer at a corner-site dwelling in Dundrum. The local authority issued a split decision, granting permission for the front works but refusing the rear extension. The refusal was primarily based on the scale and design of the rear dormer, which was deemed to create a dominant flat roof that is visually incoherent with the original house and non-compliant with specific County Develop...SOURCE PDFOpen Original
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