18, Glenlyon Crescent, Knocklyon, Dublin 16, D16 T2N4
Attic conversion with a raised gable and a flat roof dormer to the rear of a house in Knocklyon.
SD24B/0483W · South Dublin County Council · Lodged 30 October 2024
- Reference
- SD24B/0483W
- Authority
- South Dublin County Council
- Register status
- Decided
- Type
- Permission
- Received
- 30 October 2024
Summary
AI-generatedThe development consists of converting the existing attic space. This includes modifying the roof structure, raising the existing gable to accommodate a window, installing new access stairs, and adding a flat roof dormer to the rear.
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
Conversion of existing attic space comprising of modification of existing roof structure, raising of existing gable c/w window, new access stairs and flat roof dormer to the rear.
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.
Built — construction complete
A commencement notice records works starting on 10 March 2025.
Notified floor area: 140.05 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 10 Glenlyon Crescent, Knocklyoh, Dublin 16 | Apr 2025 | €636,000 | 24 m |
| 9 Glenlyon Crescent, Knocklyon, Dublin 16 | Dec 2025 | €546,000 | 56 m |
| 7 Glenlyon Crescent, Ballycullen Rd, Knocklyon Dublin 16 | Dec 2025 | €560,000 | 57 m |
| 39 Hunters Hall, Ballycullen, Dublin 24 | Aug 2025 | €356,000 | 63 m |
| 202 Glenvara Park, Knocklyon, Templeogue | Mar 2026 | €360,000 | 129 m |
| Apt 5 Knocklyon Gate, Woodstown Village, Dublin 16 | Dec 2025 | €399,000 | 136 m |
| 15 Knocklyon Gate, Knocklyon, Dublin 16 | Oct 2025 | €255,000 | 150 m |
| 23 Knocklyon Gate, Ballycullen Rd, Woodstown Village Dublin 16 | May 2026 | €360,000 | 150 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 received30 October 2024
- Decision due2 January 2025
- Decision issued9 December 2024
- Permission expiry27 January 2030
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 attic space comprising of modification of existing roof structure, raising of existing…
10 Glenlyon Park,, Knocklyon,, Dublin 16,, D16 A2W4
SD26B/0027WSouth DublinLodged 23 Jan 2026Extension
- Granted30 m away
Attic conversion for study/playroom use, new works consisting of raising gable end wall to allow more head…
13, Glenlyon Park, Dublin 16
SD15B/0379South DublinLodged 23 Dec 2015Extension
- Withdrawn30 m away
New single storey extension to rear (kitchen/dining), an attic conversion (study/storage) which incorporates…
14, Glenlyon Park, Dublin 16
SD16B/0156South DublinLodged 17 Aug 2016Extension
- Granted30 m away
Attic conversion (study/storage) which incorporates a new dormer construction to the rear and built up gable…
14, Glenlyon Park, Dublin 16
SD17B/0043South DublinLodged 8 Feb 2017Extension
- Not exempt — permission needed40 m away
Add 3 windows approximately 1500m high x 500mm wide into the ground floor gable wall to increase the light…
2, Glenlyon Crescent, Dublin 16
ED15/0004South DublinLodged 19 Feb 2015Alterations
- Granted60 m away
Removal of single storey extension to side and erection of a two storey extension in replacement, consisting…
19, Glenlyon Park, Dublin 16
SD14B/0301South DublinLodged 9 Mar 2015Extension
- Granted60 m away
Single storey extension with tiled roof and rooflight to side
20, Glenlyon Park, Knocklyon, Dublin 16
SD04B/0391South DublinLodged 22 Jul 2004Extension
- Granted60 m away
New two storey extension to side and a single storey extension to rear of existing house
22, Glenlyon Park, Knocklyon, Dublin 16
SD04B/0116South DublinLodged 18 Mar 2004Extension
Related developments
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