8, Sion Hill Avenue, Dublin 6W
Construction of a small first-floor side extension to a semi-detached house.
WEB2924/25 · Dublin City Council · Lodged 21 August 2025
- Reference
- WEB2924/25
- Authority
- Dublin City Council
- Register status
- Decided
- Type
- Permission
- Received
- 21 August 2025
Summary
AI-generatedThe project involves a new flat-roofed 6.5 sqm first-floor extension to the side of an existing two-storey semi-detached house to accommodate an ensuite and dressing area.
- Storeys
- 2
- Floor area
- 7 m²
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
New flat roofed 6.5 sq. M. First floor extension (ensuite / dressing area) to side (north-east) of existing two storey semi-detached house.
Land-use zoning
What this land is zoned for
“To protect and/or improve the amenities of residential conservation areas.”
National zoning type: Existing residential
Objective set by the 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 |
|---|---|---|---|
| 13 Sion Hill Ave, Harolds Cross, Dublin 6w | Nov 2025 | €1,300,000 | 45 m |
| Apt 7 Mountainview Court, Mountainview Ave, Harolds Cross Dublin 6w | Feb 2026 | €310,000 | 55 m |
| Apt 12, Mountain View Court, Mountain View Ave Dublin 6w | Jan 2025 | €271,000 | 55 m |
| 12 Mountain View Ave, Harolds Cross, Dublin 6w | Dec 2025 | €570,000 | 58 m |
| 5 Casimir Rd, Harolds Cross, Dublin 6w | Aug 2025 | €1,275,000 | 65 m |
| 14 Casimir Ave, Harolds, Dublin 6w | Nov 2025 | €830,000 | 73 m |
| 14 Mountain View Ave, Harold Cross, Dublin 6not full market price | Jan 2025 | €375,000 | 84 m |
| 7 Casimir Avenue, Harold's Cross, Dublin 6w | Jan 2026 | €926,987 | 106 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 received21 August 2025
- Decision due15 October 2025
- Decision issued13 October 2025
- Permission expiry1 January 2031
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- InvalidAt this site
New flat roofed 6.5 sq.m. first floor extension (ensuite / dressing area) to side (north-east) of existing…
8 Sion Hill Avenue, Dublin, 6w, D6W W864
WEB2883/25Dublin CityLodged 14 Aug 2025Extension
- Granted40 m away
Permission is sought for the construction of a dormer box extension to the rear of the main roof to…
9, Sion Hill Avenue, Harold's Cross , Dublin 6W , D6WND79
WEB1553/25Dublin CityLodged 14 Mar 2025Extension
- Granted70 m away
The development will consist of the demolition of the existing side boundary wall to the street, sunroom and…
6, Casimir Road, Harold's Cross, Dublin 6w
WEB1616/19Dublin CityLodged 22 Oct 2019Extension
- Granted70 m away
The creation of a vehicular access to include, dished footpath and kerb, new entrance of max. 3.4m with…
16, Kimmage Road Lower, Dublin 6W
WEB1431/20Dublin CityLodged 8 Jul 2020Alterations
- Invalid70 m away
The development will consist of creation of off-road parking to include, dished footpath and kerb, new…
16, Kimmage Road Lower, Dublin 6W
WEB1338/20Dublin CityLodged 10 Jun 2020Alterations
- Invalid70 m away
The creation of a vehicular access to include, dished footpath and kerb, new entrance of max. 3.4m with…
16, Kimmage Road Lower, Dublin 6W, D6W YF76.
WEB1415/20Dublin CityLodged 3 Jul 2020Alterations
- Granted80 m away
Permission is sought for an attic conversion to a habitable room, a dormer roof & raised roof light to the…
19 Casimir Avenue, Harolds Cross, Dublin 6W
2136/19Dublin CityLodged 29 Jan 2019Extension
- Granted80 m away
Planning Permission to create an off road vechicle parking entrance to the front of the property to include…
14 Kimmage Road Lower, Dublin 6w
2243/20Dublin CityLodged 11 Feb 2020Alterations
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- InvalidExtension
New flat roofed 6.5 sq.m. first floor extension (ensuite / dressing area) to side (north-east) of existing…
8 Sion Hill Avenue, Dublin, 6w, D6W W864
WEB2883/25Dublin CityLodged 14 Aug 2025
- GrantedExtension
Construction of an extension on the first floor to the north side of existing semi-detached house containing…
92, Willbrook, Whitechurch Road, Rathfarnham, Dublin 14
SD08B/0468South DublinLodged 27 Jun 2008
- GrantedExtension
First floor extension to side and front of two storey semi-detached dwelling house, above existing sitting…
16, Dun An Oir, Old Bawn, Tallaght, Dublin 24.
SD07B/0991South DublinLodged 10 Dec 2007
- GrantedExtension
First floor extension to side of existing two storey semi-detached dwelling with elevational changes to front…
1 Manor Villas, Thornbury View, Monfieldstown, Rochestown
164753corkLodged 6 Apr 2016
- GrantedExtension
First floor extension to side of house over existing ground floor to provide new en-suite bedroom ancillary…
87, Willbrook, Rathfarnham, Dublin 14.
SD10B/0349South DublinLodged 6 Sept 2010
- GrantedExtension
First floor extension to side of existing semi-detached house with gable type roof with concrete tiled roof…
19, Killakee Way, Firhouse, Dublin 24
SD06B/0329South DublinLodged 9 May 2006
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