18 Idrone Park, Knocklyon, Dublin 16, D16 PX88
Construction of a ground floor rear extension and an attic conversion to create a two-storey rear profile with two new bedrooms.
SD26B/0309W · South Dublin County Council · Lodged 17 June 2026
- Reference
- SD26B/0309W
- Authority
- South Dublin County Council
- Register status
- In progress
- Type
- Permission
- Received
- 17 June 2026
Summary
AI-generatedThe project includes a 32 sq.m ground floor flat roof extension to the rear to provide a utility room, extended kitchen, and dining room. The attic will be converted to extend the property to two storeys at the rear, adding two bedrooms, an office, a shower room, and an en-suite. External insulation with a brick finish will also be applied to all facades.
- Storeys
- 2
- Floor area
- 32 m²
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
Construction of a 32sq. M ground floor flat roof extension to the rear, providing a new utility room, extended kitchen and dining room with no. 1 new rooflight; attic conversion to the rear extending the property to two storeys to include two additional bedrooms, office space, shower room and en-suite; two roof lights to the north facing front elevation; external insulation with brick finish to the front, side and rear facades; ancillary site works as required to facilitate construction works.
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 |
|---|---|---|---|
| 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 | 89 m |
| 2 Idrone Close, Knocklyon, Dublin 16 | Jan 2025 | €800,000 | 110 m |
| 44 Idrone Park, Knocklyon, Templeogue Dublin 16 | Feb 2026 | €585,000 | 189 m |
| 51 Idrone Dr, Knocklyon, Dublin 16not full market price | Mar 2025 | €487,500 | 201 m |
| 5 Willbrook Estate, White Church Road, Rathfarnham | Oct 2025 | €790,000 | 232 m |
| 2 Mount Alton Court, Knocklyon, Dublin 16 | Jul 2025 | €1,225,000 | 258 m |
| 98 Westbourne Lodge, Templeogue, Dublin 16 | Apr 2025 | €785,000 | 261 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 received17 June 2026
- Decision due17 August 2026
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
Demolition of an existing single story glazed conservatory and store, construction of a new 2 storey…
16 Idrone Park, Knocklyon, Dublin 16, D16PX29
SD26B/0062WSouth DublinLodged 11 Feb 2026Extension
- Refused40 m away
Ground floor and dormer extension at rear and increased ridge level
12 Idrone Park, Knocklyon, Dublin 16.
S00B/0561South DublinLodged 5 Sept 2000Extension
- Granted40 m away
Dormer extension to rear including raising of roof ridge to front and sides to provide bedroom and en-suite…
12, Idrone Park, Knocklyon, Dublin 16
SD04B/0400South DublinLodged 29 Oct 2004Extension
- Granted50 m away
Demolition of existing conservatory to the rear and construction of new single storey extension with…
13, Idrone Park, Knocklyon, Dublin 16.
SD11B/0279South DublinLodged 27 Jul 2011Extension
- Granted50 m away
Construction of side and rear single storey domestic extension (63 sq.m); front porch infill (2 sq.m); both…
22, Idrone Park, Knocklyon, Dublin 16, D16YD74
SD21B/0556South DublinLodged 15 Feb 2022Extension
- Invalid50 m away
Dormer attic extension including raise height; new rear flat roof dormer and 4 new windows for 2 additional…
10, Idrone Park, Dublin 16
SD21B/0404South DublinLodged 19 Jul 2021Extension
- Granted50 m away
Dormer attic extension including raise existing ridge height; rear flat roof dormer and 4 roof windows for…
10, Idrone Park, Dublin 16
SD21B/0393South DublinLodged 4 Mar 2022Extension
- Refused50 m away
2 storey detached house at the side and 2 car driveway at the rear all fronting Idrone Avenue to the side
13, Idrone Park, Knocklyon, Dublin 16.
SD05A/0098South DublinLodged 14 Feb 2005New dwelling
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
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- GrantedExtension
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F24A/0481EFingalLodged 25 May 2024
- GrantedExtension
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SD25B/0222WSouth DublinLodged 16 Apr 2025
- InvalidExtension
A two storey/part single storey extension to the rear elevation, Comprising new family…
299, Pearse Avenue, Sallynoggin, Dublin, A96FP21
D25B/0141/WEBDún Laoghaire–RathdownLodged 15 Mar 2025
- GrantedExtension
Construction of i) Single storey, ground floor, flat roof extension to the rear with rooflight. ii) New…
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D24B/0073Dún Laoghaire–RathdownLodged 22 Feb 2024
- GrantedExtension
Construction of a two storey extension to the side of the property, extending the existing one storey rear…
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SD16B/0003South DublinLodged 4 Jan 2016
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