Single storey extension to rear, alterations at 35 Mount Symon Dale, Clonsilla
35 Mount Symon Dale, Clonsilla, Dublin 15, D15 A3V1
0.228 ha · Granted · permission to Jul 2031 (estimate)
Planning application FW26A/0232E to Fingal County Council: Single storey extension to rear, alterations, at 35 Mount Symon Dale, Clonsilla. Granted by the council on 30 July 2026. The permission normally runs to July 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 single storey extension to rear, alterations to the existing hip roof to create a gable roof to accommodate conversion of the attic space into a non-habitable storage/office space, flat roof dormer to rear constructed with two windows and all associated ancillary works.
Planning status
Permission was granted on 30 Jul 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 Jul 2031 (estimate).
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Nearby applications
Other applications on the Fingal register close to this address.
- FW25A/0488E43 Mount Symon Dale, Clonsilla, Dublin 15, D15P0K5Granted
Demolish existing front two storey bay window and single storey porch canopy along with existing single storey rear extension…
- FW25A/0396E63 Allendale Square, Clonsilla, Dublin 15, D15 C6V6Granted
New attic dormer roof extension to rear of 2 storey end terrace dwelling. New side window to attic gable wall.
- FW26A/0244E19 Mount Symon Crescent, Clonsilla, Dublin 15, D15 WK8PGranted
Widening the existing vehicular entrance at the front of the property to 4m wide, altering the existing main roof from a hip to a gable…
- FW26A/0218E19 Mount Symon Crescent, Clonsilla, Dublin 15, D15 WK8PClosed
Widening the existing vehicular entrance at the front of the property to 4m wide, altering the existing main roof from a hip to a gable…
- FW26A/0363E19 Mount Symon Crescent, Clonsilla, Dublin 15, D15 WK8PLodged
Widening the existing vehicular entrance at the front of the property to 4m wide, altering the existing main roof from a hip to a gable…
- FW26A/0263E4 Allendale Terrace, Clonsilla, Dublin 15, D15NNX4Granted
Changing the existing hipped roof to a pitched roof by raising the existing gable wall, including the provision of a new window in the new gable wall…
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 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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