5, Knocklyon Avenue, Knocklyon Wood, Dublin 16
Extension, roof alterations, and partial change of use from a doctor's surgery to residential in Knocklyon.
SD17B/0239 · South Dublin County Council · Lodged 6 July 2017
- Reference
- SD17B/0239
- Authority
- South Dublin County Council
- Register status
- In progress
- Type
- Permission
- Received
- 6 July 2017
- Floor area
- 21.2 m²
Summary
AI-generatedThe application seeks permission for internal and external alterations, including a new hip roof and a part first-floor extension over the existing garage. It also proposes a new boundary wall and a change of use of part of the ground floor from a doctor's surgery to residential use.
- 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
Internal and external alterations and extension to the existing property comprising: (1) alterations to the roof incorporating new hip roof on east and west elevation, (2) part first floor extension over existing garage on the east side of the property, (3) new 1.800mm rendered block boundary wall to west of the site, (4) change of use of part ground floor from doctors surgery to residential use, (5) all associated landscaping and 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 20 November 2017.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 4 Knocklyon Avenue, Templeogue, Dublin 16 | May 2025 | €670,000 | 40 m |
| 2 Knocklyon Ave, Knocklyon Woods, Dublin 16 | Dec 2025 | €881,000 | 44 m |
| 18 Delaford Dr, Knocklyon, Dublin 16 | Jul 2026 | €655,000 | 109 m |
| 19 Knocklyon Green, Templeogue, Dublin 16 | May 2025 | €830,000 | 124 m |
| 12 Delaford Park, Dublin 16, Dublin | Nov 2025 | €720,000 | 166 m |
| 60 Knocklyon Green, Templeogue, Dublin 16 | Apr 2026 | €650,000 | 178 m |
| 35 Mount Alton, Knocklyon, Dublin 16 | Feb 2025 | €595,000 | 211 m |
| 35 Knocklyon Park, Knocklyon Woods, Templeogue Dublin 16 | Jul 2025 | €687,000 | 230 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 received6 July 2017
- Decision due30 August 2017
- Decision issued30 August 2017
- Grant issued9 October 2017
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Part granted, part refusedAt this site
Retention for access gates to rear and side of house; rendered finish to single storey extension to front…
5, Knocklyon Avenue, Dublin 16
SD20B/0108South DublinLodged 25 Mar 2020Retention
- GrantedAt this site
Retention permission for the sub-division of the existing dwelling into 2 separate dwellings & for permission…
5, Knocklyon Avenue, Knocklyon, Dublin 16
SD24A/0034South DublinLodged 30 Sept 2024Retention
- GrantedAt this site
Alterations to previously approved planning application Reg Ref No. SD24A/0034. The proposed alterations…
5a, Knocklyon Ave, Knocklyon, DUBLIN 16
SD25B/0433WSouth DublinLodged 7 Jul 2025Extension
- RefusedAt this site
Two storey, two bedroom dwelling to the rear with a vehicular entrance and footpath dishing; associated…
5, Knocklyon Avenue, Dublin 16
SD21A/0072South DublinLodged 26 Mar 2021New dwelling
- GrantedAt this site
Alterations to existing house to include a ground floor extension to rear & side; first floor extension to…
3, Knocklyon Avenue, Dublin 16
SD21B/0649South DublinLodged 10 Mar 2022Extension
- Granted40 m away
(1) Demolition of single storey garage to side of 2 storey, semi-detached house; (2) construction of a new 2…
16, Knocklyon Green, Dublin 16
SD08B/0105South DublinLodged 25 Apr 2008Extension
- Granted40 m away
(a) The removal of the existing conservatory and the construction of a new 20.5sq.m single storey kitchen;…
9, Knocklyon Avenue, Templeogue, Dublin 16, D16X4C0
SD22B/0058South DublinLodged 12 Jul 2022Extension
- Granted40 m away
Retention Permission sought for the following Timber fence constructed inside existing northern boundary wall…
9, Knocklyon Avenue, Templeogue, Dublin 16, D16X4CO
SD25B/0062WSouth DublinLodged 14 Feb 2025Retention
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