23 Knocklyon Grove, Knocklyon, Dublin 16, D16 Y443
ValidPlanning application SD26B/0466W
Dublin - South Dublin County Council
Proposed Development
Single storey extension, a rear attic dormer extension, 3 no. roof windows to front elevation, alterations to existing roof height and all elevations.
Application Timeline
Application received
14 Oct 2026
Decision due (upcoming)
8 Dec 2026
Application Details
- Location
- 23 Knocklyon Grove, Knocklyon, Dublin 16, D16 Y443
- Applicant
- N/A
- Application Type
- Permission
- Planning Authority
- South Dublin County Council
- Eircode
- D16 Y443
- Site Area
- 490 ha
- Floor Area
- 102.94 sq m
Timeline
- Registration Date
- 14 October 2026
- Status
- Valid
- Decision
- Pending
- Decision Due
- 8 December 2026
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.
Extension to front providing bay window to sitting room with pitched roof over and replacement flat roof over ex. porch, part garage etc., with pitched roof.
27, Knocklyon Close, Knocklyon, Dublin 16
The development will consist of an attic conversion and a 2-storey extension at rear including (1) extended kitchen and dining area with new utility room at ground floor (2) two bedrooms with ensuite bathroom and storage area at first floor.
4, Idrone Park, Knocklyon, Dublin 16
Retention of single storey extension to kitchen to rear, first floor extension over garage to provide en-suite bedroom and study and pitched roof over existing porch.
25, Knocklyon Close, Knocklyon, Dublin 16
Construct a 2 storey extension over garage to the side of existing 2 storey house with a single storey extension to the rear and new pitched roof over front porch and garage.
25 Knocklyon Close, Knocklyon Woods, Dublin 16.
First floor extension to side over garage to provide bedroom and bathroom and pitched roof to ex porch to front.
19, Knocklyon Close, Knocklyon, Dublin 16.
First floor extension to side over garage to provide bedroom and bathroom and pitched roof to existing porch to front.
19, Knocklyon Close, Knocklyon, Dublin 16.
Additional attic space containing a bedroom; bathroom; home office; and recreation room by replacing the existing roof with a new dormer attic roof with two dormers to the rear; a triangular roof light to the front and 4 'Velux' rooflights to front and 3 to the rear of the existing house. In addition permission is sought to provide 2 bay windows plus a covered porch to the front.
4, Knocklyon Grove, Templeogue, Dublin 16
Create additional attic space containing a bedroom, bathroom, home office and recreation room by replacing the existing roof with a new dormer attic roof complete with two dormers to the rear; a triangular roof light to the front and 4 'Velux' rooflights to the front and 3 to the rear of the existing house; 2 bay windows and a covered porch to the front.
4, Knocklyon Grove, Templeogue, Dublin 16
2 storey extension to side of existing house with partial conversion of garage to provide new kitchen and toilet at ground floor and 2 bedrooms and bathroom at first floor with pitched roof to match existing including new pitched roof to existing porch, with new door and brick panel to side passage and new door to garage and windows at both ground and first floor to side (east) elevation.
13, Knocklyon Close, Knocklyon, Dublin 16
Provision of a house to side of existing house.
4, Knocklyon Grove, Templeogue, Dublin 16
Affected by this application?
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