The Beeches, Firhouse Road, Knocklyon, Dublin 16, D16N4T8
Grant Permission for RetentionPlanning application SD25B/0577W
Dublin - South Dublin County Council
Proposed Development
Amendments to the previously approved application (SD18B/0452) consisting of a reduction of the first floor rear extension.
View the full application file on the council's planning portal →Application Timeline
Application received
1 Oct 2025
Decision: Grant Permission for Retention
21 Nov 2025
Decision due
25 Nov 2025
Grant issued
6 Jan 2026
Application Details
- Location
- The Beeches, Firhouse Road, Knocklyon, Dublin 16, D16N4T8
- Applicant
- N/A
- Application Type
- Retention
- Planning Authority
- South Dublin County Council
- Eircode
- D16N4T8
- Site Area
- 940 ha
Timeline
- Registration Date
- 1 October 2025
- Status
- Final Grant
- Decision
- Grant Permission for Retention
- Decision Date
- 21 November 2025
- Grant Date
- 6 January 2026
- Permission Expires
- 5 January 2031
Location
Planning Applications Nearby
What the council has granted and refused around this site is the best guide to how a similar application will fare.
Demolition of rear conservatory and chimney and construction of a 2 storey rear extension with flat roof over; alterations to porch door and side windows; window in gable wall at first floor; internal alterations at ground floor and first floor and associated site works.
The Beeches, Firhouse Road, Knocklyon, Dublin 16.
Demolish and remove the existing extension constructed to the east side in order to construct a new single storey extension in the same location together with a new front porch.
The Beeches, Firhouse Road, Knocklyon, Dublin 16.
Amendments to the previously approved application (SD18B/0452) consisting of a reduction of the first floor rear extension.
The Beeches, Firhouse Road, Knocklyon, Dublin 16, D16 N4T8
Demolition of existing single storey extension to side and front, construction of new single storey extension to front, two storey extension to side and rear, changes to front elevation and solar panels to front roof, all to existing two storey semi-detached house.
"Glenard", Firhouse Road, Dublin 16.
Demolition of existing porch to front & construction of new porch to front.
"Glenard", Firhouse Road, Dublin 16.
Extension and alterations of existing garage to form new room with bay window at ground level and a new single storey porch,. 1st floor extension to side for new bedroom and bathroom. New single storey extension to rear with rooflights. Attic conversion with rooflights. New garden walls and driveway entry.
35, Delaford Park, Knocklyon Woods, Templeogue, Dublin 16
Permission for single storey extension at front/side including wheelchair ramp at front. Retention permission sought for existing front porch.
25, Delaford Grove, Dublin 16
Demolish existing side garage and construct an extension
8, Delaford Park, Knocklyon, Dublin 16
Demolition of existing single storey garage to the side (12sq.m); construction of a new two storey extension to the side with a rooflight and construction of a new single storey extension to the rear with rooflights (totalling 62sq.m).
34, Delaford Park, Dublin 16
Demolition of existing single storey garage to the side (12sq.m.); construction of a new two storey extension to the side with a rooflight and construction of a new single storey extension to the rear with rooflights (totalling 62sq.m.).
34, Delaford Park, Dublin 16
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