5a, Knocklyon Ave, Knocklyon, DUBLIN 16
GrantedPlanning application SD25B/0433W
Dublin - South Dublin County Council
Proposed Development
alterations to previously approved planning application Reg Ref No. SD24A/0034. The proposed alterations affect House B (5A Knocklyon Ave) of the previous application to include a 1st floor extension to the side (circa 6 Sq/M) & a single storey extension to the rear (circa 3 Sq/M) & all associated works
View the full application file on the council's planning portal →Application Timeline
Application received
7 Jul 2025
Decision due
1 Sept 2025
Decision: Grant Permission
1 Sept 2025
Grant issued
14 Oct 2025
Application Details
- Location
- 5a, Knocklyon Ave, Knocklyon, DUBLIN 16
- Applicant
- N/A
- Application Type
- Permission
- Planning Authority
- South Dublin County Council
- Eircode
- DUBLIN 16
- Site Area
- 200 ha
- Floor Area
- 35 sq m
Timeline
- Registration Date
- 7 July 2025
- Status
- Final Grant
- Decision
- Grant Permission
- Decision Date
- 1 September 2025
- Grant Date
- 14 October 2025
- Permission Expires
- 13 October 2030
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.
Internal and external alterations and extension to the existing property comprising: (1) alterations to the roof incorporating new hip roof on east and west elevation, (2) part first floor extension over existing garage on the east side of the property, (3) new 1.800mm rendered block boundary wall to west of the site, (4) change of use of part ground floor from doctors surgery to residential use, (5) all associated landscaping and site works.
5, Knocklyon Avenue, Knocklyon Wood, Dublin 16
Retention for access gates to rear and side of house; rendered finish to single storey extension to front elevation in replacement of brick; zinc cladding on pitched roof over front single storey extension and all associated site works.
5, Knocklyon Avenue, Dublin 16
Retention permission for the sub-division of the existing dwelling into 2 separate dwellings & for permission for a single storey ground floor extension to the side & new roof lights to west elevation. The completed development will consist of a 3 bedroom house (circa 164 Sq/m) & a 2 bedroom house (circa 101 Sq/m). The development involves relocation the existing vehicular entrance at the side with new pavement dish, alterations to the front to create a new vehicular entrance & pavement dish & all associated works.
5, Knocklyon Avenue, Knocklyon, Dublin 16
Two storey, two bedroom dwelling to the rear with a vehicular entrance and footpath dishing; associated changes to boundary wall to accommodate same and associated site works.
5, Knocklyon Avenue, Dublin 16
Alterations to existing house to include a ground floor extension to rear & side; first floor extension to side, new roof to include attic conversion with dormer windows to front & rear and associated site works.
3, Knocklyon Avenue, Dublin 16
Pedestrian access gate to the north near the front entrance door.
34, Delaford Drive, Knocklyon, Dublin 16
Detached two storey, three bedroom house with shared entrance to side.
23, Delaford Lawn, Knocklyon, Dublin 16
To demolish part of the extension to side and for proposed two storey detached house to side with new vehicular access and ancillary site works.
23, Delaford Lawn, Knocklyon, Dublin 16
Demolish part of extension to side and construct two storey detached house and vehicular entrance to side.
23, Delaford Lawn, Knocklyon, Dublin 16
Two storey detached house and new vehicular entrance.
23, Delaford Lawn, Knocklyon, Dublin 16
Planning a project of your own?
Find out in two minutes whether you need planning permission. It's free, and based on the exempted development regulations.
Do I Need Permission?