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15, Knocklyon Park, Templeogue, Dublin 16, D16 N1W8

Refused

Planning application SD26B/0056W

Dublin - South Dublin County Council

Proposed Development

Modifications to a previously granted permission (SD25B/0061W), to include construction of a dormer to the rear pitch of the roof and associated revisions to the internal layout, of the existing two storey semi-detached house.

View the full application file on the council's planning portal →

Application Timeline

  1. Application received

    11 Feb 2026

  2. Decision: Refuse Permission

    1 Apr 2026

  3. Decision due

    7 Apr 2026

  4. Appeal submitted

    28 Apr 2026

  5. Appeal decided: Refuse Permission

    26 Aug 2026

Application Details

Location
15, Knocklyon Park, Templeogue, Dublin 16, D16 N1W8
Applicant
N/A
Application Type
Permission
Planning Authority
South Dublin County Council
Eircode
D16 N1W8
Site Area
280 ha
Floor Area
116 sq m

Timeline

Registration Date
11 February 2026
Status
Appeal decided
Decision
Refuse Permission
Decision Date
1 April 2026

An Coimisiún Pleanála Appeal

Appeal Reference
PL-501266-SD-26
Status
Appeal decided
Decision
Refuse Permission
Submitted
28 April 2026
Decided
26 August 2026

Location

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Planning Applications Nearby

What the council has granted and refused around this site is the best guide to how a similar application will fare.

0m
SD25B/0061WGranted13 Feb 2025

Construction of extension to front, rear and side of existing two storey semi-detached house, to include garden room to rear garden, rooflights to side and rear roofs, associated landscaping works.

15, Knocklyon Park, Templeogue, Dublin 16, D16 N1W8.

9m
SD08B/0274Granted21 Apr 2008

Single storey extension to rear to provide kitchen / dining with pitched roof over with 5 velux rooflights and new chimney stack, first floor extension to side over garage to provide bedroom and bathroom with pitched roof over and 4 velux rooflights to rear pitch and extension to living room with pitched roof over including existing porch.

17, Knocklyon Park, Dublin 16

9m
SD09B/0181Granted12 May 2009

Single storey extension to living room to front, extended porch and pitched roof over all and across front of garage.

17, Knocklyon Park, Knocklyon, Dublin 16

9m
SD04B/0197Granted26 Apr 2004

Single storey extension at rear.

13, Knocklyon Park, Dublin 16

45m
SD11B/0277Grant Permission & Grant Retention25 Jul 2011

Extension of living room to front with pitched roof over; part conversion of garage to W.C and shower room; extension to side, to rear of garage, to provide utility; first floor extension over garage to provide bedroom including extension of small box bedroom to front line of existing porch all with pitched roof over; provision of new brick boundary wall, 750mm high to front and side including 1100mm brick piers; widening of existing vehicular entrance to 4.3m and retention of existing single storey kitchen extension to rear.

16, Knocklyon Park, Dublin 16

46m
SD17B/0170Granted4 May 2017

Replacing existing porch with new single storey pitched roof hallway extension to front (3.43sq.m) including window to side/east elevation and all associated site works

25, Knocklyon Park, Knocklyon, Dublin 16

47m
S99A/0789Grant Outline Permission9 Nov 1999

Detached double storey dwelling house at side.

18 Knocklyon Park,Templeogue, Dublin 6.

49m
SD02A/0206Grant Permission Following Outline23 Apr 2002

Two storey dwelling house and alterations to front porch and garage of existing house (Outline Permission Reg. Ref. S99A/ 0789).

18 Knocklyon Park, Templeogue, Dublin 16.

56m
SD04B/0539Grant Permission for Retention12 Oct 2004

Retention for the conversion of the garage to a habitable room, a new window to the front elevation where the garage door existed, a new porch to the front and a small lean to roof over the porch and the front section of the converted garage and associated site works completed at the existing dwelling.

27, Knocklyon Park, Templeogue, Dublin 16

62m
S01A/0667Refuse Outline Permission5 Oct 2001

1 detached two storey three bedroom house and removal of garage and utility room.

20 Knocklyon Park, Templeogue, Dublin 16.

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