Construction of an extension to the rear on the ground floor at 12 Clonsilla Close
12 Clonsilla Close, Dublin 15, D15 XH7X
0.036 ha · Granted · permission to Aug 2031 (estimate)
Planning application FW26A/0261E to Fingal County Council: Construction of an extension to the rear on the ground floor, the demolition of the existing conservatory, the construction of a front, at 12 Clonsilla Close. Granted by the council on 17 August 2026. The permission normally runs to August 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
The development will consist of the construction of an extension to the rear on the ground floor, the demolition of the existing conservatory, the construction of a front and side extension over the existing garage (to side) and porch (to front) on the first floor and the construction of a dormer window in the main roof to the rear with one roof light to the front and all associated site works.
Planning status
Permission was granted on 17 Aug 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 Aug 2031 (estimate).
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Nearby applications
Other applications on the Fingal register close to this address.
- FW23A/0209Taste of Provence, 12 Clonsilla Road, Blanchardstown, Dublin 15, D15 AGranted
Planning permission for : (a) The erection of an open sided ground floor terraced seating area to the front (North) and side (East) of existing cafe…
- FW24A/0053Valleymount House, Main Street, Blanchardstown, Dublin 15, D15 CP5XGranted
Change of use from residential to commercial/office and also medical & related uses.
- FW25A/0006E3 The Rise, Main Street, Blanchardstown, Dublin 15, D15P261Closed
Construction of a new single-storey flat roof extension to rear of existing counselling centre…
- FW25A/0468E41 Rushbrook, Blanchardstown, Dublin 15, D15 F68DOn Site
Demolition of an existing single-storey sunroom extension to the rear of the existing house…
- FW23B/004711 Rushbrook, Blanchardstown, Dublin 15, D15 EWX3On Site
Construction of a new extension out the rear and side of the house to accommodate a new kitchen, washroom, living room and pantry at ground floor…
- FW25A/0470E24 Clonsilla Park, Dublin 15, D15 XNW6Granted
The development seeking retention permission consists of the construction of a single-storey extension to the rear of the main house…
Related
About this page: the facts above come from the statutory public planning register kept by Fingal County Council and are refreshed weekly (last updated 28 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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