Construction of a ground floor extension at 3, Merrion Park
3, Merrion Park, Blackrock, Co. Dublin, A94FR66
up to 2 storeys · 0.024 ha · Granted · permission to May 2031 (estimate)
Planning application D26B/0176/WEB to Dun Laoghaire Rathdown County Council: Construction of a ground floor extension and dormer attic conversion to the rear of the existing two storey terraced house, at 3, Merrion Park, Blackrock. Granted by the council on 18 May 2026. The permission normally runs to May 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
Construction of a ground floor extension and dormer attic conversion to the rear of the existing two storey terraced house. The ground floor extension will house an extended kitchen and dining area, and will incorporate a new snug living area. The dormer attic conversion will provide additional non-habitable space. The proposal includes for localised alterations to existing landscaping, foul drainage connections, surface water drainage connections, and ancillary site works.
Planning status
Permission was granted on 18 May 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 May 2031 (estimate).
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Nearby applications
Other applications on the Dun Laoghaire Rathdown register close to this address.
- D24B/05434, South Hill Avenue, Blackrock, Co. DublinGranted
To convert the attic space to a bedroom, ensuite and study area to include dorme
- D24A/091851, Woodlands Park, Stillorgan, Dublin, A94CF25Closed
Alterations to previously granted planning permission r
- D25B/0576/WEB134 Mount Merrion Avenue, Blackrock, Co. Dublin, A94F2Y6Granted
1) Demolition of the existing greenhouse; 2) Construction of a single-storey, pi
- D25B/07193 Woodlands Park, Blackrock, Co. Dublin, A94FW73Granted
Installation of 2 No. flat-roofed dormer structures
- D25A/0810/WEBSadhana, 118 Mount Merrion Avenue, Blackrock, Dublin, A94F1P2Granted
Retention Permission for minor alterations to previ
- D26B/0498/WEB79 Merrion Park, Blackrock, Co. Dublin, A94ED70Lodged
Construction of a single-storey ground-floor extension to the front and side of the existing dwelling…
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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