Redesign of the permitted no. 40 Thornhill Oaks
Site at Thornhill Oaks, Mount Merrion, Blackrock, Co Dublin
0.0355 ha · Granted on appeal, January 2025
Planning application D24A/0059 to Dun Laoghaire Rathdown County Council: Redesign of the permitted no. 40 Thornhill Oaks, at Thornhill Oaks, Mount Merrion, Blackrock. Granted by the council on 25 March 2024; granted on appeal by An Coimisiún Pleanála on 31 January 2025. Work commenced on 5 January 2026.
Timeline
- Application lodged
- Council granted
- Appealed to An Coimisiún Pleanála
- Granted on appeal
- Work commenced
Key facts
Proposed development
Redesign of the permitted no. 40 Thornhill Oaks (D20A/0432, ABP308150-20) to
Planning status
Permission was granted on appeal by An Coimisiún Pleanála on 31 Jan 2025, and a commencement notice has been lodged: works are under way or about to start.
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Nearby applications
Other applications on the Dun Laoghaire Rathdown register close to this address.
- D25B/0739/WEB56, Trees Road Lower, Mount Merrion, Dublin, A94X9X5On Site
a) removal of existing chimney to side and existing extensions to side and rear
- D24B/0425/WEBThornhill Oaks, Cherrygarth, Mount Merrion, Blackrock, Dublin, A94W7C5Granted
Oak View Property Developments Limited, intend to apply for Retention Permissio
- D25A/0862/WEBThornhill Oaks, Cherrygarth, Mount Merrion, Blackrock, Co. Dublin, and Thornhill House (a Protected Structure) A94W7C5Granted
Oak View Property Developments Limited, intend to apply for Retention Permission
- D25A/0591/WEB15, Cherrygarth, Mount Merrion, Blackrock, Dublin, A94H6N6Granted
Widening of side pedestrian gate by 300mm, widening of entrance driveway to 3200
- D24B/0345/WEB48, Thornhill Oaks, Mount Merrion, Co. Dublin, A94 K0E7Granted
Conversion of existing attic space to new bedroom a
- D26B/0071/WEB49 Thornhill Oaks, Cherrygarth, Mount Merrion, Blackrock, Dublin, A94Y8X5Granted
Following: Conversion of existing attic space to
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 7 Jul 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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