21 Idrone Drive, Knocklyon, Dublin 16.
Garage conversion with a bedroom extension above, a single-storey rear extension, and a front porch extension.
S99B/0454 · South Dublin County Council · Lodged 8 July 1999
- Reference
- S99B/0454
- Authority
- South Dublin County Council
- Register status
- Decided
- Type
- Permission
- Received
- 8 July 1999
Summary
AI-generatedThis application at Knocklyon proposes alterations including a garage conversion with a bedroom extension above, a single-storey rear extension, and a front porch extension.
- Storeys
- 2
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
Alterations including garage conversion with bedroom extension over, single storey rear extension and front porch extension.
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 |
|---|---|---|---|
| 51 Idrone Dr, Knocklyon, Dublin 16not full market price | Mar 2025 | €487,500 | 44 m |
| 6 Idrone Dr, Knocklyon, Templeogue Dublin 16 | Jul 2025 | €575,000 | 86 m |
| 5 Idrone Park, Knocklyon Wood, Templeogue Dublin 16 | Jun 2025 | €680,000 | 110 m |
| 60 Knocklyon Green, Templeogue, Dublin 16 | Apr 2026 | €650,000 | 119 m |
| 98 Westbourne Lodge, Templeogue, Dublin 16 | Apr 2025 | €785,000 | 120 m |
| 76 Westbourne Lodge, Templeogue, Dublin 16 | Oct 2025 | €608,000 | 132 m |
| 87 Westbourne Lodge, Templeogue, Dublin 16not full market price | Mar 2025 | €500,000 | 149 m |
| 5 Willbrook Estate, White Church Road, Rathfarnham | Oct 2025 | €790,000 | 170 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 received8 July 1999
- Decision due6 September 1999
- Decision issued6 September 1999
- Grant issued20 October 1999
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
Extension to 1st floor over garage and porch
27 Idrone Drive, Knocklyon Woods, Dublin 16.
S99B/0161South DublinLodged 25 Jun 1999Extension
- GrantedAt this site
Single storey extension to rear, first floor extension to side, internal alterations, canopy roof and bay…
29 Idrone Drive, Knocklyon, Dublin 16
S00B/0378South DublinLodged 7 Jun 2000Extension
- GrantedAt this site
First floor extension to the front and side of existing dwelling; pitched roof; alterations to front…
29, Idrone Drive, Dublin 16
SD21B/0427South DublinLodged 29 Jul 2021Extension
- GrantedAt this site
Construction of two storey extension to the side and single storey extension to the front, side and rear of…
25, Idrone Drive, Dublin 16
SD13B/0035South DublinLodged 19 Feb 2013Extension
- GrantedAt this site
Demolish existing garage and part kitchen at side, erect new 3 bedroom 2 storey detached dwelling at side…
25, Idrone Drive, Dublin 16
SD08A/0136South DublinLodged 29 Feb 2008New dwelling
- GrantedAt this site
Demolish existing garage and part kitchen at side, erect new 3 bedroom 2 storey detached dwelling at side…
25, Idrone Drive, Dublin 16
SD08A/0136/EPSouth DublinLodged 10 Aug 2012New dwelling
- Granted30 m away
Garage conversion with new pitched tiled roof extending over front porch, all to front and side, single…
33, Idrone Drive, Knocklyon, Dublin 16
SD08B/0550South DublinLodged 28 Jul 2008Extension
- Granted30 m away
Planning permission for (1) Demolition of single storey front porch and garage extension (2) For a new first…
19, Idrone Drive, Dublin 16, D16X6F8
SD25B/0505South DublinLodged 21 Aug 2025Extension
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
Conversion of garage, first floor extensiont to side, single storey extension to rear and internal alterations
39, Rockfield Avenue, Perrystown, Dublin 12
SD03B/0025South DublinLodged 23 Jan 2003
- GrantedExtension
Garage conversion and porch to front with single storey extensions to side and rear
18 Knocklyon Close, Templeogue, Dublin 16.
S01B/0609South DublinLodged 23 Nov 2001
- GrantedExtension
Conversion of garage to habitable room, single storey extensions to side, porch to side and bedroom extension…
6 Hyde Park, Terenure, Dublin 6W.
S99B/0457South DublinLodged 12 Jul 1999
- GrantedExtension
First floor extension to side; single storey extension to rear; single storey porch to front and conversion…
84, Willbrook Estate, Dublin 14
SD11B/0406South DublinLodged 19 Dec 2011
- GrantedExtension
Garage conversion, extension to front to include porch, first floor extension over existing ground floor to…
3 Templeville Avenue, Templeogue, Dublin 6W.
SD05B/0766South DublinLodged 9 Dec 2005
- GrantedExtension
Garage conversion, first floor extension to side and single storey extensions to front and rear
125, Meadow Grove, Dundrum,Dublin 16
D08B/0223Dún Laoghaire–RathdownLodged 26 Mar 2008
Community
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