1 Knocklyon Green, Templeogue, Dublin 16.
Demolition of an existing side and rear extension to build a new extension with a granny flat.
SD16B/0323 · South Dublin County Council · Lodged 7 February 2017
- Reference
- SD16B/0323
- Authority
- South Dublin County Council
- Register status
- Decided
- Type
- Permission
- Received
- 7 February 2017
- Floor area
- 92 m²
Summary
AI-generatedThe project involves the demolition of an existing single-storey side and rear extension. It will be replaced with a new part two-storey, part single-storey side extension containing a granny flat, plus a single-storey rear extension.
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
Demolition of the existing single storey extension to the side and rear of the property and construction of a new part 2 storey, part single storey extension to the side to include a granny flat, single storey extension to the rear and all 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.
Built — construction complete
A commencement notice records works starting on 5 June 2019.
Notified floor area: 57 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 19 Knocklyon Green, Templeogue, Dublin 16 | May 2025 | €830,000 | 86 m |
| 12 Delaford Park, Dublin 16, Dublin | Nov 2025 | €720,000 | 100 m |
| 18 Delaford Dr, Knocklyon, Dublin 16 | Jul 2026 | €655,000 | 116 m |
| 4 Knocklyon Avenue, Templeogue, Dublin 16 | May 2025 | €670,000 | 128 m |
| 2 Knocklyon Ave, Knocklyon Woods, Dublin 16 | Dec 2025 | €881,000 | 129 m |
| 35 Knocklyon Park, Knocklyon Woods, Templeogue Dublin 16 | Jul 2025 | €687,000 | 179 m |
| 60 Knocklyon Green, Templeogue, Dublin 16 | Apr 2026 | €650,000 | 179 m |
| 69 Westbourne Lodge, Templeogue, Dublin 16 | Dec 2025 | €665,000 | 231 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 received7 February 2017
- Further information requested21 November 2016
- Further information received7 February 2017
- Decision due6 March 2017
- Decision issued2 March 2017
- Grant issued12 April 2017
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
The development will consist of: a) A new semi-detached two storey, dwelling house of c.93sqm, b) A new…
1, Knocklyon Green, Knocklyon, Dublin 16
SD23A/0093South DublinLodged 11 Aug 2023New dwelling
- GrantedAt this site
Retention for modifications to previously approved SD16B/0323 to include the omission of the single storey…
1, Knocklyon Green, Templeogue, Dublin 16
SD22B/0428South DublinLodged 27 Sept 2022Retention
- Awaiting decisionAt this site
Construct a two storey dwelling adjacent
1 Knocklyon Green, Templeogue, Dublin 16.
S01A/0090South DublinLodged 16 Feb 2001New dwelling
- InvalidAt this site
2-storey detached house with front driveway to side of existing house and partial demolition of existing side…
1, Knocklyon Green, Knocklyon, Dublin 16
SD03A/0556South DublinLodged 2 Jul 2003New dwelling
- RefusedAt this site
2-storey detached house with front driveway to side of existing house and partial demolition of existing side…
1, Knocklyon Green, Knocklyon, Dublin 16.
SD03A/0620South DublinLodged 22 Aug 2003New dwelling
- GrantedAt this site
First floor extension to side and front porch canopy
3 Knocklyon Green, Dublin 16.
S00B/0679South DublinLodged 7 Nov 2000Extension
- Granted30 m away
3 bedroom, two storey house of 140sq.m with a new vehicular access consisting of amendments to Ref.…
2, Knocklyon Park, Knocklyon, Dublin 16
SD20A/0001South DublinLodged 6 Mar 2020New dwelling
- Granted30 m away
New detached, two storey dwelling house of c. 122sq.m with new vehicular entrance with all site development…
2, Knocklyon Park, Knocklyon, Dublin 16
SD20A/0243South DublinLodged 24 Sept 2020New 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.
- Awaiting decisionExtension
Demolition of existing extension & construction of new two-storey granny flat to side of existing two-storey…
Powder Mills, Ballincollig, ,
104735corkLodged 31 Mar 2010
- GrantedExtension
To demolish existing single storey granny flat extension to side and to construct a 2 storey extension to…
58, Woodpark Avenue, Ballinteer, Dublin 16
D04A/0657Dún Laoghaire–RathdownLodged 15 Jun 2004
- InvalidExtension
Demolition of existing single-storey extension (approx. 15 sq.m) to rear of dwelling — Construction of a…
202, Carnlough Road, Cabra, Dublin 7
4203/18Dublin CityLodged 19 Oct 2018
- GrantedExtension
Partial demolition of existing dwelling and alterations including a two storey and single storey extension to…
Ballintannig, Waterfall, Co. Cork,
164614corkLodged 16 Mar 2016
- GrantedExtension
Demolition of existing single storey granny flat to side of existing two storey semi-detached dwelling and…
26, Willowfield Avenue, Goatstown, Dublin 14.
D04B/0292Dún Laoghaire–RathdownLodged 16 Apr 2004
- GrantedExtension
Demolition of an existing rear extension to dwelling and the construction of a new extensions and alterations…
Catholic Walk, Rath More, Kinsale, Co. Cork
234419corkLodged 9 Mar 2023
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.