23, Knocklyon Close, Knocklyon, Dublin 16.
Demolition of an extension and construction of a new semi-detached house.
SD17A/0172 · South Dublin County Council · Lodged 2 June 2017
- Reference
- SD17A/0172
- Authority
- South Dublin County Council
- Register status
- In progress
- Type
- Permission
- Received
- 2 June 2017
- Residential units
- 1
- Floor area
- 209.72 m²
Summary
AI-generatedThe project involves demolishing a side extension and conservatory to build a new two-storey, four-bedroom semi-detached house, alongside a new single-storey rear extension for the existing dwelling.
- 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
Permission to demolish a single storey extension at side, erect a 2 storey, 4 bedroom semi-detached dwelling (end of terrace) at front, side and rear including reconstruction of existing front vehicular entrance to provide vehicular access for new and existing dwellings (revisions to previously approved plans sd13a/0163). The proposal includes demolishing a conservatory extension and construction of a single storey extension to rear of existing dwelling.
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 |
|---|---|---|---|
| 5 Idrone Park, Knocklyon Wood, Templeogue Dublin 16 | Jun 2025 | €680,000 | 86 m |
| 35 Mount Alton, Knocklyon, Dublin 16 | Feb 2025 | €595,000 | 145 m |
| 6 Idrone Dr, Knocklyon, Templeogue Dublin 16 | Jul 2025 | €575,000 | 153 m |
| 2 Mount Alton Court, Knocklyon, Dublin 16 | Jul 2025 | €1,225,000 | 185 m |
| 4 Knocklyon Avenue, Templeogue, Dublin 16 | May 2025 | €670,000 | 185 m |
| 2 Knocklyon Ave, Knocklyon Woods, Dublin 16 | Dec 2025 | €881,000 | 194 m |
| 51 Idrone Dr, Knocklyon, Dublin 16not full market price | Mar 2025 | €487,500 | 197 m |
| 60 Knocklyon Green, Templeogue, Dublin 16 | Apr 2026 | €650,000 | 206 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 received2 June 2017
- Decision due27 July 2017
- Decision issued27 July 2017
- Grant issued4 September 2017
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
Demolition of existing single storey extension and alterations to existing house and entrance driveway and…
23, Knocklyon Close, Knocklyon, Dublin 16.
SD06A/0051South DublinLodged 27 Jan 2006New dwelling
- GrantedAt this site
Ground and first floor extension to side and single storey extension to rear with roof lights and associated…
23, Knocklyon Close, Knocklyon, Dublin 16.
SD07B/0265South DublinLodged 30 May 2007Extension
- RefusedAt this site
Alterations to previously approved planning application (SD07B/0265) including replacing a previously…
23, Knocklyon Close, Knocklyon, Dublin 16.
SD07A/0770South DublinLodged 26 Sept 2007Alterations
- RefusedAt this site
Demolish a single storey extension at side, erect a 2 storey, 4 bedroom semi-detached dwelling (end of…
23, Knocklyon Close, Knocklyon, Dublin 16.
SD17A/0172/EPSouth DublinLodged 25 Mar 2022New dwelling
- GrantedAt this site
Demolish single storey extension at side, erect a two storey four bedroom semi-detached dwelling (end of…
23, Knocklyon Close, Dublin, 16.
SD22A/0450South DublinLodged 2 Dec 2022New dwelling
- GrantedAt this site
Alterations to previously approved planning application (SD07B/0265) including replacing a previously…
23, Knocklyon Close, Knocklyon, Dublin 16.
SD07A/0770/EPSouth DublinLodged 28 Mar 2013Alterations
- GrantedAt this site
Construct a 9.36sq.m garden shed in rear garden
23A Knocklyon Close, Knocklyon, Dublin 16.
SD14B/0274South DublinLodged 7 Nov 2014Extension
- GrantedAt this site
Construction of a two storey three bedroom dwelling with single storey extension to the rear and side with…
23, Knocklyon Close, Knocklyon, Dublin 16.
SD13A/0163South DublinLodged 12 Aug 2013New dwelling
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- RefusedNew dwelling
Demolish a single storey extension at side, erect a 2 storey, 4 bedroom semi-detached dwelling (end of…
23, Knocklyon Close, Knocklyon, Dublin 16.
SD17A/0172/EPSouth DublinLodged 25 Mar 2022
- GrantedNew dwelling
Demolish single storey extension at side, erect a two storey four bedroom semi-detached dwelling (end of…
23, Knocklyon Close, Dublin, 16.
SD22A/0450South DublinLodged 2 Dec 2022
- GrantedExtension
Permission for alterations and additions to an existing 2-storey semi-detached dwelling. The proposed…
94 The Rise, Mount Merrion, Co. Dublin
D20A/0314Dún Laoghaire–RathdownLodged 1 May 2020
- GrantedExtension
Permission for development consisting of: (1) Demolition of single storey side flat roof extension and rear…
23 St. Catherines Park, Glenageary, Co. Dublin
D13B/0326Dún Laoghaire–RathdownLodged 6 Dec 2013
- GrantedExtension
Permission is sought for alterations and additions to an existing 2-storey semi-detached dwelling. The…
35 Eden Park Drive, Goatstown, Dublin 14.
D22A/0515Dún Laoghaire–RathdownLodged 9 Dec 2022
- GrantedExtension
Permission for the alterations and extension of the existing two story semi-detached house to comprise:…
5 Woodlands Avenue, Stillorgan, Co. Dublin
D19A/0878Dún Laoghaire–RathdownLodged 14 Nov 2019
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