D21A/0701

Retention of Conversion of existing Garage

Split decision

Core Reason for the Refused Part

The proposed extension and staircase were refused due to inappropriate scale and design that detracts from a protected structure and the negative impact on a tree subject to a Tree Preservation Order.

Decision Maker's Conclusion

  • The scale and 'mock/faux' design of the proposed first-floor extension and external staircase fail to architecturally harmonise with the protected structure, Stansted.
  • The development would significantly and negatively impact a tree protected under Tree Preservation Order SES/12/7.
  • The proposal contravenes specific conservation and environmental policies (AR1, Section 8.2.11.2, and OSR7) of the Dún Laoghaire Rathdown County Development Plan 2016-2022.

Cited Policies (CDP)

Policy AR1Section 8.2.11.2Policy Objective OSR7

Decision Document Summary

This application sought the retention of a garage conversion and the addition of a two-storey external staircase and first-floor extension at Stansted, a protected structure on Greenfield Road, Mount Merrion. While the planning authority granted permission for the retention of the garage conversion for incidental use, it refused the new additions. The refusal was based on the unacceptable scale and design of the extension, which was deemed to detract from the architectural expression of the prot...
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