26 Castlefield Court, Knocklyon, Dublin 16.
Single storey extension at the rear of the house.
SD17B/0255 · South Dublin County Council · Lodged 18 July 2017
- Reference
- SD17B/0255
- Authority
- South Dublin County Council
- Register status
- Decided
- Type
- Permission
- Received
- 18 July 2017
- Floor area
- 7.74 m²
Summary
AI-generatedPlanning permission is sought for a single storey extension to the rear of an existing house at 26 Castlefield Court, Knocklyon.
- Storey
- 1
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
Single storey extension at 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 3 September 2018.
Notified floor area: 8.5 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 32 Castlefield Court, Castlefield Manor, Knocklyon Dublin 16 | Jul 2025 | €571,000 | 25 m |
| 47 Glenvara Park, Knocklyon, Dublin 16 | Mar 2026 | €617,963 | 196 m |
| 1 Monalea Grove, Firhouse, Ballycullen Rd | Apr 2025 | €575,000 | 201 m |
| Apt 5 Prospect Lodge, Knocklyn Road, Dublin 16 | Jun 2025 | €330,000 | 214 m |
| 33a Monalea Grove, Firhouse, Dublin 24 | Feb 2025 | €670,000 | 225 m |
| 38 Knockfield Manor, Knocklyon, Dublin 16 | Oct 2025 | €975,000 | 245 m |
| Hillside, Old Knocklyon Rd, Knocklyon Dublin 16 | Apr 2025 | €630,000 | 247 m |
| 1 Monalea Park, Firhouse, Dublin 24 | Jan 2026 | €600,000 | 263 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 received18 July 2017
- Decision due11 September 2017
- Decision issued8 September 2017
- Grant issued18 October 2017
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Granted40 m away
Planning Permission Sought for to extend the existing concrete ridge tiles & roof tiled to form a new Dutch…
20, Castlefield Court, Dublin 16
SD24B/0106South DublinLodged 15 Mar 2024Extension
- Granted40 m away
Conversion of existing attic space comprising of modification of existing roof structure; raising of existing…
24, Castlefield Court, Knocklyon, Dublin 16
SD21B/0608South DublinLodged 3 Dec 2021Extension
- Refused40 m away
Detached two storey type dwelling on vacant site with seperate entrance, windows with obscure glass facing…
Site adjacent to 24, Castlefield Court, Knocklyon, Dublin 16
SD06A/1030South DublinLodged 1 Dec 2006New dwelling
- Granted40 m away
Detached two storey dwelling on vacant site with seperate entrance, windows with obscure glass facing onto…
Site adjacent to, 24, Castlefield Court, Knocklyon, Dublin 16
SD07A/0299South DublinLodged 26 Apr 2007New dwelling
- Granted40 m away
Installation of 1 no. dormer roof light to first floor rear bedroom
36, Castlefield Court, Castlefield Manor, Knocklyon, Dublin 16
SD08B/0658South DublinLodged 19 Sept 2008Alterations
- Refused40 m away
(a) Retention of constructed 19.5sq.m. floor base of proposed sunroom to rear of existing detached 2 storey…
24A, Castlefield Court, Knocklyon, Dublin 16
SD07B/0996South DublinLodged 12 Dec 2007Extension
- Invalid40 m away
(a) The proposed retention consists of constructed 19.5sqm floor base of proposed sun room to rear of…
24A, Castlefield Court, Knocklyon, Dublin 16
SD07B/0867South DublinLodged 18 Oct 2007Extension
- Exempt — no permission needed40 m away
Construction of a single storey rear extention to replace existing extention and a first floor dormer to rear…
36, Castlefield Court, Castlefield Manor, Knocklyon, Dublin 16
ED08/0017South DublinLodged 13 Jun 2008Extension
Community
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