23, Knocklyon Close, Dublin, 16.
Demolition of a side extension to build a new two-storey, four-bedroom semi-detached house in Dublin 16.
SD22A/0450 · South Dublin County Council · Lodged 2 December 2022
- Reference
- SD22A/0450
- Authority
- South Dublin County Council
- Register status
- In progress
- Type
- Permission
- Received
- 2 December 2022
- Residential units
- 1
- Floor area
- 215.72 m²
Summary
AI-generatedPlanning permission is sought to demolish an existing side extension and conservatory to construct a new two-storey, four-bedroom semi-detached dwelling. The project includes a new vehicular entrance for the existing house and a single-storey rear extension to the existing house.
- 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
Demolish single storey extension at side, erect a two storey four bedroom semi-detached dwelling (end of terrace) at front, side and rear including new front vehicular entrance for existing dwelling, existing front vehicular entrance will be retained for new dwelling; revisions to previously approved plans sd17a/0172; 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 December 2022
- Decision due7 February 2023
- Decision issued1 February 2023
- Grant issued10 March 2023
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
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
- 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
- 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
- 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
- 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
- GrantedAt this site
Permission to demolish a single storey extension at side, erect a 2 storey, 4 bedroom semi-detached dwelling…
23, Knocklyon Close, Knocklyon, Dublin 16.
SD17A/0172South DublinLodged 2 Jun 2017New dwelling
- 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
Permission to demolish a single storey extension at side, erect a 2 storey, 4 bedroom semi-detached dwelling…
23, Knocklyon Close, Knocklyon, Dublin 16.
SD17A/0172South DublinLodged 2 Jun 2017
- 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 is sought for alterations and extensions to existing two storey semi-detached dwelling comprising…
111 Foxrock Park, Dublin, D18 P6C1
D21B/0483Dún Laoghaire–RathdownLodged 13 Sept 2021
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