A first floor extension to front, side & rear of dwelling (floor area 31.30m.sq.)…
48, Deerpark Road, Mount Merrion, Co Dublin, A94K3T7
Proposed development
A first floor extension to front, side & rear of dwelling (floor area 31.30m.sq.), Conversion of attic space and replacement of the existing 'hipped roof' structure with a 'gable end' roof structure incorporating the raising of the first floor side wall of the dwelling, together with a dormer & windows on the rear elevation and associated internal modifications (floor area 30.0m.sq.), Bike shed (3.0m.sq.) to be located in front garden and associated site works.
What happens next
Permission was granted on 22 Jul 2026. Third parties may appeal within four weeks; after that the permission is final and works can start once a commencement notice is lodged.
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Nearby applications
Other applications on the Dun Laoghaire Rathdown register close to this address.
- D26B/0316/WEB48, Deerpark Road, Mount Merrion, Co Dublin, A94K3T7Closed
A first floor extension to front, side & rear o
- D25A/0467/WEB47, Deerpark Road, Mount Merrion, Co. DublinOn Site
The proposed development will consist of internal alterations to existing groun
- D26A/0488/WEB47, Deerpark Road, Mount Merrion, Co. Dublin, A94A9X5Lodged
The proposed amendment consists of the omission of the previously permitted det
- D26B/0337/WEB36, Deerpark Road, Mount Merrion, Blackrock, Co Dublin, A94Y3K5Granted
Ground level single storey rear extension, alterations to existing rear extension + 2No. flat roof rooflights to rear extension area with internal alterations…
- D26A/0521/WEB32, Deerpark Road, Mount Merrion, Dublin, A94X7K4Lodged
a) Demolition of existing c.178sqm two-storey (plus non-habitable attic space),
- D26A/0493/WEB57, Deerpark Road, Mount Merrion, Dublin, A94F761Lodged
The development will include the demolition of - the existing end of terrace par
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 22 Aug 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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