9, Sion Hill Avenue, Harold's Cross, Dublin 6W, D6WND79
Construction of a rear dormer box extension for attic storage in Harold's Cross.
WEB1553/25 · Dublin City Council · Lodged 14 March 2025
- Reference
- WEB1553/25
- Authority
- Dublin City Council
- Register status
- Decided
- Type
- Permission
- Received
- 14 March 2025
Summary
AI-generatedPermission is sought for the construction of a dormer box extension to the rear of the main roof. The extension is intended for a non-habitable attic storage room.
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
Permission is sought for the construction of a dormer box extension to the rear of the main roof to non-habitable attic storage room.
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 | 24 m |
| Apt 7 Mountainview Court, Mountainview Ave, Harolds Cross Dublin 6w | Feb 2026 | €310,000 | 41 m |
| Apt 12, Mountain View Court, Mountain View Ave Dublin 6w | Jan 2025 | €271,000 | 41 m |
| 14 Casimir Ave, Harolds, Dublin 6w | Nov 2025 | €830,000 | 46 m |
| 5 Casimir Rd, Harolds Cross, Dublin 6w | Aug 2025 | €1,275,000 | 59 m |
| 12 Mountain View Ave, Harolds Cross, Dublin 6w | Dec 2025 | €570,000 | 62 m |
| 7 Casimir Avenue, Harold's Cross, Dublin 6w | Jan 2026 | €926,987 | 74 m |
| 6 Casimir Court, Harolds Cross, Dublin 6 | Mar 2025 | €400,000 | 93 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 received14 March 2025
- Decision due8 May 2025
- Decision issued8 May 2025
- Permission expiry27 July 2030
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Granted40 m away
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
WEB2924/25Dublin CityLodged 21 Aug 2025Extension
- Invalid40 m away
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 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
- Granted50 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
- Granted80 m away
RETENTION : The development consists of : a) Retention of alterations to previously granted second floor of…
Mountainview House, Mountainview Avenue, Harold's Cross, Dublin 6W, D6WP685
3081/25Dublin CityLodged 25 Feb 2025Retention
- Granted80 m away
The development will consist of: a) Demolition of existing commercial premises on site. b) Construction of a…
Rear of 232, Harolds Cross Road, Mountainview Avenue, Harolds Cross, Dublin 6W
2282/18Dublin CityLodged 12 Feb 2018New dwelling
- Granted80 m away
The development will consist of: - demolition of existing single storey extension to the rear; - construction…
52, Casimir Road, Harold's Cross, Dublin 6w D6W W223
WEB1106/23Dublin CityLodged 14 Feb 2023Extension
- Invalid80 m away
The development consists of a Planning application for proposed development comprising of alterations to…
23-24 Mountain View Avenue, Dublin 6 and rear of 226-230 Harold's Cross Road
WEB2431/24Dublin CityLodged 5 Nov 2024Apartments
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
Permission is sought for the conversion of the existing attic space into a storage room with dormer window to…
30, Orpen Rise, Stillorgan, Co. Dublin
D18B/0088Dún Laoghaire–RathdownLodged 23 Feb 2018
- GrantedExtension
Permission is sought for proposed ground floor rear single storey extension and roof lights to existing…
11 Glenbourne Road, Leopardstown Valley, Dublin 18
D23B/0102Dún Laoghaire–RathdownLodged 3 Jul 2023
- InvalidExtension
Permission is sought for new dormer roof extension with window to existing converted attic at rear of…
73A, Pembroke Lane, Ballsbridge, Dublin 4
WEB2110/24Dublin CityLodged 12 Sept 2024
- GrantedExtension
Permission is sought for a) Conversion of existing attic space to non-habitable storage accommodation and…
40, Grangefield, Ballinteer, Dublin 16
D20B/0022Dún Laoghaire–RathdownLodged 7 Feb 2020
- GrantedExtension
Permission for a proposed new dormer attic structure to the rear and attic conversion to storage space end…
2, St Brigid's Drive, Clontarf West, Dublin D05 C6T8
4127/21Dublin CityLodged 20 Dec 2021
- GrantedExtension
Permission for a) Conversion of existing attic space to non-habitable storage accomodation consequential…
38 Ludford Park, Ballinteer, Dublin 16, D16DD56
D22B/0521Dún Laoghaire–RathdownLodged 20 Dec 2022
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