23485

the construction of a dormer level, extensions to the side and rear, all to the existing detached garage located in the rear garden of the existing dwelling for use a garden store at ground level and home based office/den on the dormer level, complete with rooflights and solar panels on the west facing roof

Refused

Core Refusal Reason

The proposed ridge height of approximately 6.9m significantly exceeds the 5m maximum height limit for ancillary domestic structures as prescribed in the Kildare County Development Plan 2023-2029.

Decision Maker's Conclusion

  • The proposed ridge height of 6.9m is contrary to Section 15.4.13 of the Kildare County Development Plan 2023-2029, which stipulates a maximum ridge height of 5m for domestic garages and garden rooms.
  • The scale of the proposed structure, totaling approximately 79sqm over two floors, is nearly double the 40sqm maximum gross floor area permitted for ancillary domestic units under current planning standards.
  • The height and massing of the proposed building are considered reminiscent of a new dwelling rather than an ancillary garden room, necessitating a significant reduction in scale to align with the requirements of the County Development Plan.

Cited Policies (CDP)

Chapter 3Chapter 1515.2.315.4.1215.4.1315.6.7Appendix 4 - 8.1

Decision Document Summary

The applicants sought permission for the construction of a dormer level and extensions to an existing detached garage at 7 Devoy Terrace, Naas, to create a garden store and home office/den. While the principle of development was acceptable and the site's topography mitigated potential overshadowing or overlooking impacts, the proposal was deemed non-compliant with development management standards. Specifically, the proposed 6.9m ridge height and 79sqm floor area far exceed the limits set for anc...
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