55, Castlebyrne Park, Blackrock, Dublin, A94VA48
Extension of attic storage space to include a WC, new roof lights, and a rear dormer roof.
D23B/0109 · Dun Laoghaire Rathdown County Council · Lodged 14 March 2023
- Reference
- D23B/0109
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 14 March 2023
Summary
AI-generatedThis application proposes extending the existing attic storage space to accommodate a new WC. The works will include installing new Velux roof lights to the front and rear, and a new dormer roof to the rear.
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
Extension of the attic storage space to include a wc, new velux roof lights to the front and rear, new dormer roof to the rear, internal modifications and all associated site works.
Land-use zoning
What this land is zoned for
“A To provide residential development and improve residential amenity while protecting the existing residential amenities”
Objective set by the 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 28 May 2025.
Notified floor area: 18 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 70 Castlebyrne Park, Blackrock, Dublin | Mar 2025 | €528,000 | 111 m |
| 93 Castlebyrne Park, Newtownpark Ave, Blackrock | Jun 2026 | €597,000 | 117 m |
| 15 Castlebyrne Park, Newtown Park Ave, Blackrock | Feb 2026 | €667,500 | 140 m |
| 10 Ralph Mews, Newtownpark Ave, Blackrock | May 2025 | €425,050 | 182 m |
| 14 Proby Place, Proby Square, Blackrock | May 2026 | €1,495,000 | 192 m |
| 12 Proby Place, Proby Square, Carysfort Ave | Jun 2025 | €1,700,000 | 207 m |
| 29 Marian Park, Blackrock, Dublin | Jun 2025 | €560,000 | 220 m |
| 7 Proby Place, Proby Square, Carysfort Avenue | Sept 2025 | €1,640,000 | 223 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 2023
- Decision due8 May 2023
- Decision issued3 May 2023
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
Proposed single story flat roof extension to rear to include a bike storage area. Proposed small single story…
55, Castlebyrne Park, Blackrock, Dublin, A94VA48
D24B/0364/WEBDún Laoghaire–RathdownLodged 15 Aug 2024Extension
- GrantedAt this site
(a) Construction of new two storey dwelling to side, and (b) demolition of existing porch and erection of two…
55, Castlebyrne Park, Blackrock, Co. Dublin.
D04A/1384Dún Laoghaire–RathdownLodged 23 Feb 2005New dwelling
- WithdrawnAt this site
A) construction of new two storey dwelling to side, and (b) demolition of existing porch and erection of two…
55, CASTLEBYRNE PARK, BLACKROCK, CO. DUBLIN
D04A/0856Dún Laoghaire–RathdownLodged 30 Jul 2004New dwelling
- GrantedAt this site
Construction of two storey extension to side (north) and rear (east), to include removal of existing chimney…
114, Castlebyrne Park, Blackrock, Dublin, A94H223
D23B/0498Dún Laoghaire–RathdownLodged 27 Oct 2023Extension
- GrantedAt this site
Construction of single storey extension to side (north) and rear (east), to include removal of existing…
114, Castlebyrne Park, Blackrock, Dublin, A94H223
D24B/0191/WEBDún Laoghaire–RathdownLodged 26 Apr 2024Extension
- GrantedAt this site
Single storey extension to front and enlarged gable window
114, Castle Byrne Park, Blackrock, Co. Dublin
D04B/0317Dún Laoghaire–RathdownLodged 28 Apr 2004Extension
- Granted30 m away
Permission for the demolition of 1 no. detached house and construction of 3 no. terraced two storey dwellings…
Dunardagh, Newtownpark Avenue, Blackrock, Co Dublin
D17A/0147Dún Laoghaire–RathdownLodged 9 Oct 2017Housing estate
- Granted30 m away
Permission for demolition of single storey extension to rear, construction of new single storey extension to…
59 Castlebyrne Park, Blackrock, Co Dublin
D18A/0345Dún Laoghaire–RathdownLodged 18 Apr 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
Conversion of the attic space to a storage space to include a dormer roof construction to the rear; Velux…
41, Yellow Meadows Avenue, Dublin 22
SD23B/0251South DublinLodged 7 Jun 2023
- GrantedExtension
Extension and alterations to existing habitable attic space to include a new dormer roof to the front, velux…
9, Dargan Drive, Honey Park, Dun Laoghaire, Dublin, A96EK23
D23B/0155Dún Laoghaire–RathdownLodged 5 Apr 2023
- GrantedAlterations
Alterations to the attic storage space to include two dormer roofs to the rear, Velux roof lights to the…
8, St. Ronan's Drive, Clondalkin, Dublin 22.
SD24B/0223South DublinLodged 17 May 2024
- GrantedExtension
Conversion of attic space to storage room, new dormer to rear, 2 No. Rooflights to the front elevation + all…
7, Kingston Close, Balinteer, D16EN28
D23A/0627Dún Laoghaire–RathdownLodged 2 Oct 2023
- GrantedExtension
Attic conversion to store room with wc, incorporating new dormer roof and windows to rear; 1 'Velux' roof…
169, Cherryfield Road, Walkinstown, Dublin 12
SD21B/0137South DublinLodged 16 Mar 2021
- GrantedExtension
Conversion of the attic space to a bedroom, ensuite and storage, new velux window to the front and two dormer…
34, Dargle Wood, Dublin 16
SD24B/0318WSouth DublinLodged 11 Jul 2024
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