Removal of existing garage to side and sunroom to rear at 'Hillsbrook', Grove Avenue
'Hillsbrook', Grove Avenue, Blackrock, Co. Dublin, A94PX95
up to 2 storeys · 0.13 ha · Granted · permission to Jun 2031 (estimate)
Planning application D26A/0340/WEB to Dun Laoghaire Rathdown County Council: Removal of existing garage to side and sunroom to rear, and the construction of a two-storey extension to side, at 'Hillsbrook', Grove Avenue, Blackrock. Granted by the council on 29 June 2026. The permission normally runs to June 2031 (an estimate: the grant plus five years).
Timeline
- Application lodged
- Council granted
- Permission normally ends (estimate)
The end date is an estimate: the grant plus five years, the normal life of a permission. An extension or a commencement changes it.
Key facts
Proposed development
a) removal of existing garage to side and sunroom to rear, and b) the construction of a two-storey extension to side and rear of existing dwelling, with rooflights and dormer window to front and rear, c) new bay window and alterations to fenestration to front of dwelling, d) widening of existing vehicular entrance to 3.5m, and all associated site works. Existing dwelling 143.0sqm; proposed dwelling 293.8sqm.
Planning status
Permission was granted on 29 Jun 2026. The four-week appeal period has passed with no appeal recorded, so the permission is final. Works can start once a commencement notice is lodged; the permission normally runs to Jun 2031 (estimate).
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Nearby applications
Other applications on the Dun Laoghaire Rathdown register close to this address.
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- D25A/0810/WEBSadhana, 118 Mount Merrion Avenue, Blackrock, Dublin, A94F1P2Granted
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Related
About this page: the facts above come from the statutory public planning register kept by Dun Laoghaire Rathdown County Council and are refreshed weekly (last updated 21 Sept 2026). Applicant names and contact details are not shown. Status labels are PlanningLeads' plain-language reading of the register status and the "Use" label is classified by AI from the public description (see how we use AI); neither is legal advice and the council's file is the record. How we handle this data: privacy notice.
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