21, Ashton Close, Knocklyon, Dublin 16
Demolition of a garage and construction of new extensions to a house in Knocklyon.
SD24B/0373 · South Dublin County Council · Lodged 23 August 2024
- Reference
- SD24B/0373
- Authority
- South Dublin County Council
- Register status
- Decided
- Type
- Permission
- Received
- 23 August 2024
Summary
AI-generatedThe development involves works to an existing two-storey house. It includes the demolition of a single-storey side garage and rear extension, followed by the construction of a new single-storey side and rear extension, and a first-floor rear and side extension.
- Storeys
- 2
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
- Works to existing 2 storey dwelling, including
- Demolition of existing single storey garage to side of dwelling and rear single storey extension
- Construction of new single storey extension to side and rear of dwelling; 3.1st floor extension to rear and side of dwelling and all associated site development 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 |
|---|---|---|---|
| 34 Ashton Lawn, Templeogue, Dublin 16 | Mar 2026 | €850,000 | 69 m |
| 27 Ashton Lawn, Knockallen, Templeogue | Jun 2026 | €490,000 | 76 m |
| 4 Ashton Lawn, Templeogue, Knocklyon | Mar 2025 | €628,000 | 82 m |
| 14 Ashton Ave, Knocklyon, Dublin 16 | Feb 2025 | €655,000 | 105 m |
| 4 Knocklyon Cottages, Knocklyon Rd, Dublin 16 | Jun 2025 | €554,000 | 147 m |
| 66 Knockcullen Dr, Knocklyon, Dublin 16 | Oct 2025 | €850,000 | 176 m |
| 77 Dargle Wood, Knocklyon Rd, Dublin 16 | Jul 2025 | €550,000 | 185 m |
| 60 Knockcullen Dr, Knocklyon, Dublin 16 | Jul 2025 | €740,000 | 191 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 received23 August 2024
- Decision due17 October 2024
- Decision issued15 October 2024
- Permission expiry27 November 2029
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Granted30 m away
Demolition of a garage and the erection of a single storey extension to the side and sunroom to the rear
27 Ashton Close, Knocklyon, Dublin 16.
S00B/0737South DublinLodged 13 Dec 2000Extension
- Granted30 m away
Demolition of existing garage and construction of a single storey extension to rear and side
15 Ashton Close, Knocklyon, Dublin 16.
S99B/0222South DublinLodged 9 Apr 1999Extension
- Granted30 m away
Single storey extension to rere to provide kitchen, living room, utility and w.c conversion of garage with…
20, Ashton Lawn, Dublin 16
SD04B/0247South DublinLodged 13 May 2004Extension
- Granted40 m away
The demolition of existing single storey extension to the side of existing house and the construction of new…
11, Ashton Close, Dublin 16
SD10B/0057South DublinLodged 18 Feb 2010Extension
- Granted50 m away
Retention of existing single storey extension at side and rear (revisions to previously approved plans Reg.…
30 Ashton Lawn, Knocklyon, Dublin 16.
S00B/0429South DublinLodged 26 Jun 2000Retention
- Granted50 m away
Demolish single storey side extension and construct single storey side and rear extensions
12, Ashton Lawn, Knocklyon, Dublin 16
SD08B/0115South DublinLodged 26 Feb 2008Extension
- Granted60 m away
Single storey pitched roof porch to side of existing two storey detached dwelling house
24, Ashton Close, Knocklyon, Dublin 16
SD10B/0385South DublinLodged 4 Oct 2010Retention
- Granted60 m away
Alterations and additions to include extending internal ground floor WC to shower room; relocating gas meter…
10, Ashton Lawn, Dublin 16
SD13B/0184South DublinLodged 17 Jul 2013Extension
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
Extension and alterations to existing 2 storey dwelling consisting of: (1) demolition of existing single…
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SD18B/0251South DublinLodged 6 Jun 2018
- GrantedExtension
Extension and alterations to existing 2 storey dwelling to include: (1) demolition of existing single storey…
19, Marian Park, Rathfarnham, Dublin 14.
SD17B/0334South DublinLodged 3 Oct 2017
- GrantedExtension
Extension and alterations to existing two storey dwelling: (1) demolition of existing single storey garage…
4, Silverwood Drive, Rathfarnham, Dublin 14
SD18B/0358South DublinLodged 22 Aug 2018
- GrantedExtension
Partial demolition of existing single storey garage and domestic extension and construction of new single…
22 Coolroe Heights, Coolroe, Ballincollig, Co.Cork
154880corkLodged 29 Apr 2015
- Awaiting decisionExtension
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114196corkLodged 4 Feb 2011
- GrantedExtension
Demolition of attached garage and partial demolition of a single storey side extension to existing dwelling,…
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126232corkLodged 26 Oct 2012
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