21, Knocklyon Drive, Rathfarnham, Dublin 16.
Demolition of a shed, garage conversion, first-floor extension, rear extension, and attic conversion.
SD05B/0675 · South Dublin County Council · Lodged 12 December 2005
- Reference
- SD05B/0675
- Authority
- South Dublin County Council
- Register status
- Decided
- Type
- Permission
- Received
- 12 December 2005
- Floor area
- 66 m²
Summary
AI-generatedThis application proposes the demolition of an existing concrete shed and the conversion of the garage into a family room. It also includes building a first-floor extension over the garage, a single-storey rear extension, and an attic conversion.
Generated from the description above by an AI model and may contain mistakes. The council’s description is the authoritative record.
Official record
Development description
Demolition of existing concrete shed, conversion of existing garage to family room, construction of new first floor extension over existing garage, construction of new single storey extension to the rear of the house and conversion of existing attic.
Land-use zoning
What this land is zoned for
“To protect and/or improve residential amenity”
National zoning type: Existing residential
Objective set by the South Dublin County Development Plan 2022-2028 (2022–2028). The planning authority decides each application on its own merits — this is the zoning context, not a compliance assessment.
Read the zoning objectives in the development planBuilt & sold
What happened next
Beyond the decision: whether this development was built, and what property here has sold for.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 8 Knocklyon Dr, Templeogue, Dublin 16 | Sept 2025 | €755,000 | 49 m |
| 30 Ballyroan Park, Templeogue, Dublin 16 | Dec 2025 | €675,000 | 92 m |
| 11 Ballyroan Park, Templeogue, Dublin 16 | Sept 2025 | €710,000 | 108 m |
| 54 Ballyroan Road, Rathfarnham, Dublin 16 | Feb 2026 | €894,000 | 153 m |
| 95 Ballyroan Rd, Templeogue, Dublin 16 | Sept 2025 | €675,000 | 165 m |
| Castlegrace Ballyroan Park, Rathfarnham, Dublin 16 | Jan 2025 | €975,000 | 166 m |
| 90 Ballyroan Rd, Templeogue, Dublin 16 | May 2025 | €337,500 | 171 m |
| 57 Elkwood, Rathfarnham, Dublin 16 | May 2026 | €740,000 | 221 m |
Nearby properties, not this site — a guide to local values.
Sources: Building Control Management System (commencement notices) and the Residential Property Price Register, licensed under CC BY 4.0. Records are matched to this application by location and may not be exhaustive; always confirm against the official source before relying on them.
Key dates
Timeline
- Application received12 December 2005
- Further information received12 December 2005
- Decision due9 January 2006
- Decision issued6 January 2006
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- GrantedAt this site
Conversion of existing garage to family room, construction of new first floor extension over existing garage…
21, Knocklyon Drive, Rathfarnham, Dublin 16.
SD06B/0035South DublinLodged 25 Jan 2006Extension
- InvalidAt this site
Conversion of existing garage to family room, construction of new first floor extension over existing garage…
21, Knocklyon Drive, Rathfarnham, Dublin 16.
SD06B/0016South DublinLodged 13 Jan 2006Extension
- GrantedAt this site
Single storey bedroom to rear with tiled roof over; internal alterations to existing ground floor room to…
23, Knocklyon Drive, Dublin 16
SD10B/0165South DublinLodged 26 Apr 2010Extension
- GrantedAt this site
Retention of 2no. roof windows to front elevation; permission for extension to and conversion of garage and…
25, Knocklyon Drive, Templeogue, Dublin 16
SD08B/0126South DublinLodged 29 Feb 2008Extension
- Granted50 m away
Ground floor rear extension with flat roof and 4 roof lights over; resizing of garage entrance to front and 1…
33, Knocklyon Drive, Rathfarnham, Dublin 16
SD21B/0522South DublinLodged 8 Oct 2021Extension
- Granted60 m away
Widening of existing driveway opening to 3.5m; new canopy at front entrance to replace existing; convert…
9, Knocklyon Drive, Rathfarnham, Dublin 16
SD20B/0033South DublinLodged 3 Feb 2020Extension
- Granted60 m away
Single storey extension to rear of house
12, Knocklyon Drive, Templeogue, Dublin 16
SD04B/0270South DublinLodged 24 May 2004Extension
- Granted60 m away
Build an extension over existing garage and roof dormer to rear
12 Knocklyon Drive, Templeogue, Dublin 16.
S00B/0070South DublinLodged 10 Feb 2000Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedExtension
Demolition of the existing garage and the construction of a single storey kitchen/family room extension to…
2, Butterfield Drive, Rathfarnham, Dublin 14
SD06B/0734South DublinLodged 29 Sept 2006
- GrantedExtension
Demolition of existing garage, construction of a new 2 storey extension to the side, construction of a new…
10, Butterfield Crescent, Rathfarnham, Dublin 14
SD08B/0756South DublinLodged 19 Nov 2008
- RefusedExtension
Demolition of existing garage and extension at rear, construction of new 2 storey extension to side, single…
37, Butterfield Drive, Rathfarnham, Dublin 14
SD03B/0188South DublinLodged 11 Apr 2003
- GrantedExtension
Demolition of existing shed to rear, construction of single storey extension to ground floor to front to…
148, Sandyford Road, Dundrum, Dublin 16
D08B/0341Dún Laoghaire–RathdownLodged 6 May 2008
- InvalidExtension
Conversion of existing garage to family room, construction of new first floor extension over existing garage…
21, Knocklyon Drive, Rathfarnham, Dublin 16.
SD06B/0016South DublinLodged 13 Jan 2006
- GrantedExtension
Demolition of detached store shed to the side of house, demolition of single storey rear extension,…
51, Templeroan Drive, Dublin 16
SD16B/0182South DublinLodged 3 Jun 2016
Community
Discussion
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