8, Glenlyon Grove, Knocklyon, Dublin 16
Attic extension including a roof hip extension and a rear dormer window.
SD19B/0449 · South Dublin County Council · Lodged 19 November 2019
- Reference
- SD19B/0449
- Authority
- South Dublin County Council
- Register status
- Decided
- Type
- Permission
- Received
- 19 November 2019
Summary
AI-generatedThe development consists of an extension to the attic comprising an extension of the roof hip to the side. It also includes a rear-facing dormer window and minor internal alterations.
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
Extension to the attic comprising an extension of the roof hip to the side, with a rear facing dormer window and several minor internal alterations.
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 |
|---|---|---|---|
| 7 Glenlyon Crescent, Ballycullen Rd, Knocklyon Dublin 16 | Dec 2025 | €560,000 | 31 m |
| 9 Glenlyon Crescent, Knocklyon, Dublin 16 | Dec 2025 | €546,000 | 32 m |
| 39 Hunters Hall, Ballycullen, Dublin 24 | Aug 2025 | €356,000 | 58 m |
| 10 Glenlyon Crescent, Knocklyoh, Dublin 16 | Apr 2025 | €636,000 | 65 m |
| Apt 5 Knocklyon Gate, Woodstown Village, Dublin 16 | Dec 2025 | €399,000 | 125 m |
| 15 Knocklyon Gate, Knocklyon, Dublin 16 | Oct 2025 | €255,000 | 127 m |
| 23 Knocklyon Gate, Ballycullen Rd, Woodstown Village Dublin 16 | May 2026 | €360,000 | 127 m |
| 202 Glenvara Park, Knocklyon, Templeogue | Mar 2026 | €360,000 | 146 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 received19 November 2019
- Decision due22 January 2020
- Decision issued22 January 2020
- Grant issued2 March 2020
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
Single storey office to the rear garden and reinstatement of vehicular entrance and all associated site works
10, Glenlyon Grove, Dublin 16
SD20B/0382South DublinLodged 13 Oct 2020Extension
- RefusedAt this site
Retention of partial constructed single storey rear extension with proposed alterations and retention of…
10 Glenlyon Grove, Knocklyon, Dublin 16
SD20B/0161South DublinLodged 14 May 2020Extension
- Granted60 m away
Construction of a first floor extension to side of existing dwelling house
4, Glenlyon Park, Knocklyon, Dublin 16
SD07B/0307South DublinLodged 12 Apr 2007Extension
- Granted60 m away
Construction of a single storey extension located to the side of the dwelling including the extension of the…
9, Glenlyon Park, Dublin 16
SD22B/0337South DublinLodged 22 Jul 2022Extension
- Not exempt — permission needed70 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
- Granted80 m away
Construct a single storey extension to the side and rear
225 Glenvara Park, Knocklyon, Dublin 16.
S99B/0174South DublinLodged 16 Mar 1999Extension
- Invalid80 m away
Two storey extension to side; single storey extension to rear; attic conversion incorporating dormer…
225, Glenvara Park, Dublin 16
SD21B/0215South DublinLodged 14 Apr 2021Extension
- Granted80 m away
Two storey extension to side; single storey to rear; attic conversion incorporating dormer extension to rear;…
225 Glenvara Park, Knocklyon, Dublin 16.
SD21B/0335South DublinLodged 20 Aug 2021Extension
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
A single storey extension to rear & side of existing dwelling, an attic conversion including change of roof…
5, Moy Glas Drive, Lucan, Co. Dublin
SD24B/0105South DublinLodged 15 Mar 2024
- GrantedExtension
Conversion of the attic with dormer window to rear, extension of existing roof with raised gable wall and…
51, Roebuck Downs, Clonskeagh, Dublin 14
D09B/0075Dún Laoghaire–RathdownLodged 20 Feb 2009
- WithdrawnExtension
Attic conversion and alteration to existing hip gable end and dormer window to rear
76, Hillcrest Park, Lucan, Co. Dublin
SD22B/0314South DublinLodged 1 Jul 2022
- RefusedExtension
Rear dormer extension and attic conversion incorporating reconstruction of existing hip roof to form an apex…
5, Dunmore Lawn, Kingswood, Dublin 24.
SD06B/0190South DublinLodged 27 Mar 2006
- Part granted, part refusedExtension
Conversion of attic space to storage room with dormer to the rear, alteration of roof line from hip to gable,…
45, Priory Walk, Manor Grove, Terenure, Dublin 12
SD10B/0219South DublinLodged 27 Jul 2010
- GrantedExtension
An extension to the exiting attic along with new dormer to rear and associated alterations to the profile of…
65 Silken Vale , Maynooth , Co. Kildare.
21725KildareLodged 25 May 2021
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