Construction of a single-storey extension to the rear at 21 Portersgate Heights, Clonsilla
21 Portersgate Heights, Clonsilla, Dublin 15
0.035 ha · Granted · permission to Jun 2031 (estimate)
Planning application FW26A/0156E to Fingal County Council: Construction of a single-storey extension to the rear with an apex roof incorporating 3 roof windows, at 21 Portersgate Heights, Clonsilla. Granted by the council on 5 June 2026. The permission normally runs to June 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 a single-storey extension to the rear with an apex roof incorporating 3 roof windows; the installation of 1 roof window to the existing kitchen lean-to roof; the application of external insulation to the existing rear kitchen wall; the provision of 2 clerestory windows (one in the existing gable and one in the proposed extension) to the south-east facing elevation; and all associated site works.
Planning status
Permission was granted on 5 Jun 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 Jun 2031 (estimate).
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Nearby applications
Other applications on the Fingal register close to this address.
- FW25A/0085E17 Portersgate Avenue, Clonsilla, Dublin 15, D15 X95NOn Site
New attic conversion with dormer projecting window to rear of existing house for study/playroom use permission also sought for single storey kitchen extension…
- FW24A/0531ELands bounded by Clonsilla Road to the south, Clonsilla link Road to tGranted
Planning permission is sought by EP Lynam Properties Ltd. for revisions to previously permitted development Reg. Ref. FW16A/0176 (An Bord Pleanála…
- FW25A/0057ENo. 2 Portersgate Avenue, Clonsilla, Dublin 15, D15HC6DGranted
Single storey extension containing a family flat to the rear and side of the existing dwelling house and all associated site development works.
- FW23A/034746 Porters Gate Court, Clonsilla, Dublin 15Granted
Dormer roof extension and window to the rear roof elevation at roof level and conversion of attic space to attic room for extended living accommodation.
- FW23A/0034103 Castlefield Court, Clonsilla, Dublin 15, D15 KXR7On Site
1. Removal of the existing rear ground floor extension. 2. Construction of a single storey tiled pitched roof front porch. 3. Construction of a single storey…
- FW25A/0342E98 Castlefield Court, Clonsilla, Dublin 15, D15A8DFGranted
Single-story extension to the side and rear comprising of: utility room, kitchen and living space with all associated site works.
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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