26, Woodstown Heights, Knocklyon, Dublin 16
Attic conversion, Dutch roof extension, rear dormer, and front porch extension in Knocklyon.
SD15B/0237 · South Dublin County Council · Lodged 28 September 2015
- Reference
- SD15B/0237
- Authority
- South Dublin County Council
- Register status
- Decided
- Type
- Permission
- Received
- 28 September 2015
- Floor area
- 29.6 m²
Summary
AI-generatedPlanning permission is sought for a Dutch-style roof extension, a new rear dormer window, a front porch extension, and an attic conversion. The project also includes internal alterations to the existing house.
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
Extend the existing ridge tiles and roof tiles to form a 'dutch' type roof structure, extend original side structure up to new eaves level with new window, new dormer structure to rear tiled roof with rooflight, new front porch extension with tiled roof and extend tiled roof over bay window, all new external finishes to match existing, conversion of the attic area & 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.
Built — construction complete
A commencement notice records works starting on 4 May 2016.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 51 Woodstown Heights, Knocklyon, Dublin 16 | Oct 2025 | €640,000 | 48 m |
| 23 Dalriada Sq, Knocklyon, Dublin 16 | Apr 2026 | €420,000 | 65 m |
| 14 Woodstown Heights, Knocklyon, Dublin 16 | Mar 2026 | €630,000 | 83 m |
| 4 Woodstown Heights, Woodstown, Knocklyon Dublin 16 | May 2025 | €631,000 | 101 m |
| 10 Woodstown Vale, Knocklyon, Dublin 16 | Mar 2026 | €640,000 | 128 m |
| 6 Woodstown Vale, Knocklyon, Dublin 16 | May 2025 | €875,000 | 130 m |
| 2 Dalriada Walk, Knocklyon, Dublin | May 2025 | €585,000 | 133 m |
| 9 Dalriada Court, Knocklyon, Dublin 16 | Jul 2025 | €593,000 | 134 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 received28 September 2015
- Further information requested31 August 2015
- Further information received28 September 2015
- Decision due25 October 2015
- Decision issued27 October 2015
- Grant issued7 December 2015
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- RefusedAt this site
Conversion of an attic to storage; changing the existing hipped roof to a half hipped roof with two Velux…
25, Woodstown Heights, Dublin 16
SD11B/0313South DublinLodged 1 Sept 2011Extension
- GrantedAt this site
Conversion of attic space for use as a storage room, with 1 no. Velux roof window to rear and a dormer window…
25, Woodstown Heights, Dublin 16
SD11B/0371South DublinLodged 23 Nov 2011Extension
- GrantedAt this site
Build-up of existing hip in roof to side of roof into 'Dutch' hip at attic level; attic conversion with…
24, Woodstown Heights, Dublin 16
SD17B/0054South DublinLodged 15 Feb 2017Extension
- GrantedAt this site
Proposed build up of existing hip in roof to side of roof into dutch hip with window in gable wall at attic…
28, Woodstown Heights, Knocklyon, Dublin 16, D16WK06
SD25B/0260South DublinLodged 8 May 2025Extension
- Granted30 m away
Extend the existing ridge tiles & tiled roof to form a 'Dutch' type tiled roof & extend the existing…
25, Woodstown Meadows, Dublin 16
SD17B/0222South DublinLodged 20 Jun 2017Extension
- Granted30 m away
Single storey front porch and sitting room extension with parapet style roof. Single storey extension to the…
21, Woodstown Heights, Knocklyon, Dublin 16, D16 N449
SD22B/0439South DublinLodged 26 May 2023Extension
- Granted50 m away
Removal of the existing front entrance porch and single storey extension to rear; construction of a new…
21, Woodstown Meadow, Woodstown Village, Knocklyon, Dublin 16, D16 W2X8
SD20B/0377South DublinLodged 7 Oct 2020Extension
- Granted50 m away
The erection of 3 no. single storey refuse stores in the following locations: Refuse store no. 3 located to…
Dalriada, Ballycullen Road, Knocklyon, Dublin 16.
SD08A/0678South DublinLodged 30 Sept 2008Other
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
Extend the existing ridge tiles to form a new 'Dutch' type roof structure, extend the existing side structure…
26, Woodstown Close, Dublin 16
SD15B/0318South DublinLodged 23 Oct 2015
- GrantedExtension
Extend existing roof ridge tiles to form a new 'Dutch' type roof structure, extend the existing side gable…
2, Woodstown Lane, Dublin 16
SD16B/0322South DublinLodged 5 Oct 2016
- GrantedExtension
Extend the existing ridge tiles & tiled roof to form a 'Dutch' type tiled roof & extend the existing…
25, Woodstown Meadows, Dublin 16
SD17B/0222South DublinLodged 20 Jun 2017
- GrantedExtension
Extend the existing concrete ridge tiles & roof tiles to form a new 'Dutch' type roof structure, extend side…
39, Monalea Park, Dublin 24
SD18B/0405South DublinLodged 4 Oct 2018
- GrantedExtension
Extend the existing ridge line & roof tiles to form a new dutch type roof structure; new dormer structure to…
69, Ferncourt Green, Old Court Road, Dublin 24
SD23B/0114South DublinLodged 16 Mar 2023
- GrantedExtension
Extend the existing ridge line to form a new 'Dutch' type roof structure with roof tiles to match existing;…
6, Domville Road, Dublin 6w
SD20B/0504South DublinLodged 15 Dec 2020
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