16 Knocklyon Avenue, Knocklyon, Dublin 16.
Construction of a single-storey side extension and retention of a front rooflight at a house in Knocklyon.
SD23B/0282 · South Dublin County Council · Lodged 29 June 2023
- Reference
- SD23B/0282
- Authority
- South Dublin County Council
- Register status
- Decided
- Received
- 29 June 2023
Summary
AI-generatedThe applicant is seeking permission for a single-storey side extension with a tiled roof and rooflights to match the existing two-storey dwelling. The application also includes internal alterations and the retention of an existing rooflight in the main front roof.
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
Planning permission sought for proposed single storey extension with a tiled roof with rooflights to the side of the existing two storey dwelling with external finishes to match existing; internal alterations; retention of rooflight in main front tiled roof & associated site 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 |
|---|---|---|---|
| 4 Knocklyon Avenue, Templeogue, Dublin 16 | May 2025 | €670,000 | 61 m |
| 2 Knocklyon Ave, Knocklyon Woods, Dublin 16 | Dec 2025 | €881,000 | 70 m |
| 35 Mount Alton, Knocklyon, Dublin 16 | Feb 2025 | €595,000 | 140 m |
| 19 Knocklyon Green, Templeogue, Dublin 16 | May 2025 | €830,000 | 174 m |
| 18 Delaford Dr, Knocklyon, Dublin 16 | Jul 2026 | €655,000 | 179 m |
| 60 Knocklyon Green, Templeogue, Dublin 16 | Apr 2026 | €650,000 | 182 m |
| 5 Idrone Park, Knocklyon Wood, Templeogue Dublin 16 | Jun 2025 | €680,000 | 198 m |
| 51 Idrone Dr, Knocklyon, Dublin 16not full market price | Mar 2025 | €487,500 | 238 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 received29 June 2023
- Decision due23 August 2023
- Decision issued9 September 2025
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
Construction of a pitched roof over existing porch, hall and partly over existing garage to the front of…
18, Knocklyon Avenue, Dublin 16
SD13B/0269South DublinLodged 1 Nov 2013Extension
- GrantedAt this site
Construction of a pitched roof over existing porch and partly over existing garage to the front of existing…
20, Knocklyon Avenue, Dublin 16
SD13B/0268South DublinLodged 1 Nov 2013Extension
- Granted30 m away
Alterations and additions to an existing dwelling house consisting of a rear diningroom extension of 9.8…
22 Knocklyon Avenue, Templeogue, Dublin 16.
S99B/0184South DublinLodged 22 Mar 1999Extension
- Granted40 m away
Single storey extension to rear. First floor extension to side. New pitched roof to garage and porch
10, Knocklyon Avenue, Knocklyon, Dublin 16.
SD03B/0565South DublinLodged 1 Dec 2003Extension
- Granted50 m away
Single storey extensions to front and rear, two storey extensions to side and rear
26, Knocklyon Avenue, Knocklyon, Dublin 16
SD09B/0164South DublinLodged 1 May 2009Extension
- Awaiting decision60 m away
Detached two storey house at side and vehicular access
2 Knocklyon Close, Dublin 16.
S01A/0713South DublinLodged 7 Jan 2002New dwelling
- Refused60 m away
For Detached 2 storey 3 bed house to side and the removal of existing car port, converted garage and part…
2, Knocklyon Close, Dublin 16
SD04A/0482South DublinLodged 29 Jun 2004New dwelling
- Granted60 m away
Conversion of carport on ground floor to habitable room with windows to front, 1st floor extension above…
2, Knocklyon Close, Dublin 16.
SD05B/0159South DublinLodged 10 Mar 2005Extension
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
Planning permission sought for to extend single storey extension to the side of the existing dwelling forward…
11, Sweetmount Park, Dundrum, Dublin 14
D10B/0253Dún Laoghaire–RathdownLodged 31 May 2010
- GrantedExtension
Planning permission sought for a two storey extension to the rear of the existing dwelling with a new tiled…
50, Corbawn Glade, Shankill, Co. Dublin
D12B/0006Dún Laoghaire–RathdownLodged 11 Jan 2012
- GrantedExtension
Planning permission is sought for: (a) construction of a single storey extension to the side and rear of…
58, Ballygall Road East, Glasnevin, Dublin 11, D11 X2T3
3963/20Dublin CityLodged 18 Dec 2020
- GrantedExtension
Permission is sought for the construction of a new single storey extension to the rear and side of existing…
16, Glencairn Court, The Gallops, Leopardstown, Dublin 18
D17B/0337Dún Laoghaire–RathdownLodged 18 Jul 2017
- GrantedExtension
Permission for the construction of a proposed single storey extension to the side of the existing dwelling,…
Knockmonalea West, Youghal, Co.Cork,
226292corkLodged 12 Oct 2022
- GrantedExtension
Planning permission is sought for a single storey extension to the front and side of dwelling with rooflights…
11, Grange Park Road, Raheny, Dublin 5 D05 CR24
WEB1950/22Dublin CityLodged 13 Oct 2022
Community
Discussion
What local people think about this application.
Community sentiment
No votes yetNobody has voted on this application yet.
Community sentiment — a straw poll of people who visited this page, not a statutory submission. To make a valid observation you must submit it to the planning authority.
Sign in to have your say on this application.
No comments yet. Be the first to say what you think about this application.
Sign in to join the discussion on this application.
Comments are moderated and are the opinions of the people who wrote them. They form no part of the statutory planning process — to make a valid observation you must submit it to the planning authority.