9, Knocklyon Close, Knocklyon, Dublin, D16 TP94
Amendments to a previously approved first-floor extension.
SD26B/0156W · South Dublin County Council · Lodged 3 April 2026
- Reference
- SD26B/0156W
- Authority
- South Dublin County Council
- Register status
- Decided
- Type
- Permission
- Received
- 3 April 2026
Summary
AI-generatedThe application seeks permission for amendments to a first-floor extension that was previously granted planning permission under reference SD21B/0021.
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
Amendmetns to the first floor extension previously granted planning permission reg ref: sd21b/0021
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 | 60 m |
| 6 Idrone Dr, Knocklyon, Templeogue Dublin 16 | Jul 2025 | €575,000 | 109 m |
| 51 Idrone Dr, Knocklyon, Dublin 16not full market price | Mar 2025 | €487,500 | 139 m |
| 60 Knocklyon Green, Templeogue, Dublin 16 | Apr 2026 | €650,000 | 161 m |
| 4 Knocklyon Avenue, Templeogue, Dublin 16 | May 2025 | €670,000 | 200 m |
| 35 Mount Alton, Knocklyon, Dublin 16 | Feb 2025 | €595,000 | 200 m |
| 76 Westbourne Lodge, Templeogue, Dublin 16 | Oct 2025 | €608,000 | 206 m |
| 2 Knocklyon Ave, Knocklyon Woods, Dublin 16 | Dec 2025 | €881,000 | 210 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 received3 April 2026
- Decision due28 May 2026
- Decision issued28 May 2026
- Permission expiry7 July 2031
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
Bay window extension to front at ground floor (3sq.m) and extension to side at first floor level (15sq.m)…
9, Knocklyon Close, Dublin 16
SD21B/0021South DublinLodged 18 Jan 2021Extension
- GrantedAt this site
Conversion and ground floor extension to front of existing garage and first floor extension over garage and…
5 Knocklyon Close, Knocklyon Wood, Templeogue, Dublin 16.
S00B/0049South DublinLodged 3 Feb 2000Extension
- Granted30 m away
Single storey extension to rear (30sq.m); bay window extension to front at ground floor (3sq.m); extension to…
3, Knocklyon Close, Knocklyon, Dublin 16
SD14B/0090South DublinLodged 1 Apr 2014Extension
- Granted30 m away
Extensions and modifications to rear, side and front of existing dwelling to consist of: single storey ground…
11, Idrone Drive, Dublin 16
SD16B/0129South DublinLodged 20 Apr 2016Extension
- Granted30 m away
Single storey extension to front and new tiled roof over existing garage conversion and side
10, Knocklyon Court, Dublin 16
SD04B/0062South DublinLodged 20 Feb 2004Extension
- Granted30 m away
Demolition of side garage and part of kitchen; construction of double storey side extension and single storey…
12, Knocklyon Court, Dublin 16
SD10B/0307South DublinLodged 29 Jul 2010Extension
- Granted30 m away
Family room extension to the rear of the ground floor and bedroom, bathroom extension to the front and side…
6 Knocklyon Court, Dublin 16.
S99B/0209South DublinLodged 1 Apr 1999Extension
- Granted40 m away
Construction of a pitched roof canopy to the front elevation to replace the flat roof over front door, brick…
9, Idrone Drive, Dublin 16
SD11B/0289South DublinLodged 2 Aug 2011Alterations
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedAlterations
Alterations to granted planning, Reg. Ref. SD21B/0452, consisting of: (1) construction of a 15.4sq.m first…
116, Ballyroan Road, Dublin 16, D16H6A2
SD22B/0018South DublinLodged 21 Jan 2022
- GrantedExtension
Alterations/additions to previously approved Planning Permission SD21B/0115; demolition of existing single…
26, Glendoo Close, Walkinstown, Dublin 12, D12 E7N9
SD21B/0472South DublinLodged 7 Sept 2021
- GrantedAlterations
Alterations to previously approved planning application No. S01B/0376 for a ground and first floor extension…
21, Wood Dale Drive, Ballycullen View, Dublin 24
SD03B/0215South DublinLodged 8 Sept 2003
- GrantedExtension
Modifications to previously approved planning application Ref. No. SD05B/0226 to consist of an additional…
13, Templeville Drive, Templeogue, Dublin 6W.
SD05B/0749South DublinLodged 30 Nov 2005
- InvalidExtension
Modifications to previously approved application planning application Ref. No. SD05B/0226 to consist of an…
13, Templeville Drive, Templeogue, Dublin 6W.
SD05B/0661South DublinLodged 12 Oct 2005
- GrantedRetention
Alterations to previously approved planning permission (Ref: SD22B/0373) to include — Increase in Floor area…
68, Wainsfort Road, Terenure, Dublin 6W
SD23B/0234South DublinLodged 1 Jun 2023
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