32, Mount Alton, Knocklyon, Dublin 16.
Extension of duration for a single-storey side and rear extension in Knocklyon.
SD07B/0019/EP · South Dublin County Council · Lodged 27 January 2012
- Reference
- SD07B/0019/EP
- Authority
- South Dublin County Council
- Register status
- Decided
- Type
- Extension Of Duration Of Permission
- Received
- 27 January 2012
Summary
AI-generatedThis application seeks an extension of duration for a previously approved single-storey extension to the side and rear of the house. The extension will accommodate an ensuite bedroom, WC, kitchen, and utility room.
- Storey
- 1
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
Single storey extension to the side and rear including all associated site works. The extension will consist of an ensuite bedroom, wc, kitchen and utility room.
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 |
|---|---|---|---|
| 35 Mount Alton, Knocklyon, Dublin 16 | Feb 2025 | €595,000 | 91 m |
| 2 Mount Alton Court, Knocklyon, Dublin 16 | Jul 2025 | €1,225,000 | 127 m |
| 5 Idrone Park, Knocklyon Wood, Templeogue Dublin 16 | Jun 2025 | €680,000 | 138 m |
| 4 Knocklyon Avenue, Templeogue, Dublin 16 | May 2025 | €670,000 | 192 m |
| 2 Knocklyon Ave, Knocklyon Woods, Dublin 16 | Dec 2025 | €881,000 | 198 m |
| 6 Idrone Dr, Knocklyon, Templeogue Dublin 16 | Jul 2025 | €575,000 | 209 m |
| 51 Idrone Dr, Knocklyon, Dublin 16not full market price | Mar 2025 | €487,500 | 261 m |
| 60 Knocklyon Green, Templeogue, Dublin 16 | Apr 2026 | €650,000 | 262 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 received27 January 2012
- Decision due21 March 2012
- Decision issued14 March 2012
- Grant issued14 March 2012
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
Single storey extension to the side and rear including all associated site works. The extension will consist…
32, Mount Alton, Knocklyon, Dublin 16.
SD07B/0019South DublinLodged 23 Mar 2007Extension
- Exempt — no permission needed40 m away
Proposed whole - house Energy refurbishment, and modest single-storey extension (32sqm) to rear of existing…
26, Mount Alton, Knocklyon, Dublin 16
ED17/0007South DublinLodged 23 Jan 2017Extension
- Granted40 m away
Conversion and extension of existing ground floor garage and the construction of new first floor extension…
20, Knocklyon Close, Dublin 16
SD12B/0060South DublinLodged 13 Mar 2012Extension
- Awaiting decision40 m away
Construct a first floor extension to side, conversion of existing garage to domestic use, ground floor…
20 Knocklyon Close, Templeogue, Dublin 16.
S01B/0647South DublinLodged 17 Dec 2001Extension
- Granted40 m away
Extension to front providing bay window to sitting room with pitched roof over and replacement flat roof over…
27, Knocklyon Close, Knocklyon, Dublin 16
SD03B/0107South DublinLodged 5 Mar 2003Extension
- Granted50 m away
Conversion of garage to habitable room and single storey extension
Rear of number 18 Knocklyon Close, Templeogue, Dublin 16.
S99B/0243South DublinLodged 25 May 1999Extension
- Granted50 m away
Garage conversion and porch to front with single storey extensions to side and rear
18 Knocklyon Close, Templeogue, Dublin 16.
S01B/0609South DublinLodged 23 Nov 2001Extension
- Refused50 m away
Ground floor entrance porch and skylight above with change of windows to the front; ground floor rear…
38, Mount Alton, Dublin 16
SD18B/0488South DublinLodged 21 Nov 2018Extension
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
Single storey extension to the side and rear including all associated site works. The extension will consist…
32, Mount Alton, Knocklyon, Dublin 16.
SD07B/0019South DublinLodged 23 Mar 2007
- GrantedExtension
Construction of single storey extension to the side and rear of existing dwelling comprising of bedroom c/w…
118, Millbridge, Mill Road, Saggart, Co. Dublin, D24 F516
SD24B/0122WSouth DublinLodged 10 Jun 2024
- GrantedExtension
Single storey extension to side of existing dwelling and all associated site works. The extension will…
29 Elsmore Walk , Naas , Co. Kildare W91 P9PV.
201422KildareLodged 25 Nov 2020
- GrantedExtension
Single storey extension to the front side and rear of existing house consisting of new bedroom utility room…
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SD09B/0450South DublinLodged 23 Nov 2009
- WithdrawnExtension
Single storey extension to the rear comprising of a utility area and ensuite bedroom including internal…
12, Cloonmore Green, Tallaght, Dublin 24
SD20B/0431South DublinLodged 12 Nov 2020
- GrantedExtension
Single storey extension to the rear of the dwelling consisting of a utility room, en-suite bedroom, internal…
34, Rochfort Park, Huntington Glen, Lucan, Co. Dubliin.
SD10B/0136South DublinLodged 6 Apr 2010
Community
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