WEB2085/25

PERMISSION sought to demolish existing single storey extension to the rear and to construct new single storey extension to rear, attic conversion with dormer window to rear and incorporating raising of ridge line and rooflight to front

Split decision

Core Reason for the Refused Part

The proposed attic conversion, dormer extension, and increased ridge height are considered visually intrusive, out of character with the single-storey cottage terrace, and contrary to development plan standards regarding roof extensions.

Decision Maker's Conclusion

  • The full-width dormer extension would obscure the original roof profile and create the appearance of an additional storey, which is inappropriate for this cottage type.
  • The proposed increase in ridge height would disrupt the uniform roofline of the terrace and negatively impact the character of the streetscape.
  • Granting permission would set an undesirable precedent for similar developments within this specific enclave of single-storey cottages, injurious to the visual amenities of the area.

Cited Policies (CDP)

Section 5.0 of Appendix 18 of the Dublin City Development Plan (2022-2028)

Decision Document Summary

The proposal at 77 Harolds Cross Cottages sought a split development consisting of a ground-floor rear extension and an attic conversion featuring a full-width dormer and raised ridge line. While the ground-floor works were granted permission, the attic elements were refused. The planning authority determined that the scale of the dormer and the alteration to the roof profile would be visually dominant and out of character with the existing terrace of single-storey cottages, failing to comply wi...
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