55, Stillorgan Park, Blackrock, Co. Dublin, A94NR71
Demolition of a conservatory and utility room, garage conversion, and a new single-storey rear extension.
D25B/0029/WEB · Dun Laoghaire Rathdown County Council · Lodged 24 January 2025
- Reference
- D25B/0029/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 24 January 2025
Summary
AI-generatedThe project involves demolishing the existing rear conservatory and side utility room. It proposes a new 37 sqm single-storey rear extension, a garage conversion, a front veranda, and rebuilding the side utility room.
- Floor area
- 37 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
Permission for development. The proposed works will include the demolition of the existing rear conservatory and side utility room, the addition of an open veranda to the front of the house with pitched roof, conversion of the garage into a new room and toilet, new and modified windows on the front and west facade, all new external windows and doors, a one storey extension to the rear of the house of 37sqm, rebuilding the utility room/ side extension, internal alterations and a full smooth of white render finish to the dwelling.
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 14 July 2025.
Notified floor area: 37 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 53 Stillorgan Park, Blackrock, Dublin | Oct 2025 | €1,325,000 | 29 m |
| 50 Stillorgan Park, Blackrock, Co Dublin | Apr 2025 | €1,630,000 | 83 m |
| 41 Cloister Ave, Blackrock, Dublin | Feb 2025 | €853,000 | 95 m |
| 43 Cloister Ave, Blackrock, Dublin | Feb 2026 | €826,500 | 107 m |
| El Jadida, Stillorgan Park, Blackrock | May 2026 | €1,730,000 | 130 m |
| 14 Coppinger Wood, Stillorgan Park, Blackrock | Sept 2025 | €1,050,000 | 140 m |
| 18 Cloister Ave, Blackrock, Dublin | Oct 2025 | €700,000 | 146 m |
| 12 St Heliers Copse, Stillorgan Park, Blackrock | Apr 2026 | €1,000,000 | 155 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 received24 January 2025
- Decision due20 March 2025
- Decision issued19 March 2025
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
Permission for: A. Demolition of covered side passage. B. Construction of 42.80 sqm single storey extension…
54 Stillorgan Park, Blackrock, Co Dublin
D15B/0011Dún Laoghaire–RathdownLodged 27 Jan 2015Extension
- Granted30 m away
Stone boundary wall to match the adjacent wall of no. 58 Stillorgan Park, stone piers and new front gates at…
57, Stillorgan Park, Stillorgan, Dublin, A94TY26
D23A/0729Dún Laoghaire–RathdownLodged 21 Nov 2023Alterations
- Compliance submission30 m away
Compliance with Condition No.5 of Reg Ref No. D25A/0977/WEB
53, Stillorgan Park, Stillorgan, Co. Dublin, A94E170
D25A/0977/WEB/C1Dún Laoghaire–RathdownLodged 15 Apr 2026Other
- Granted30 m away
The development will consist of - demolishing the rear shed; demolishing the chimney; full re-roof, including…
53, Stillorgan Park, Stillorgan, Co. Dublin, A94E170
D25A/0977/WEBDún Laoghaire–RathdownLodged 18 Dec 2025Extension
- Granted30 m away
Extension to rear first floor level to include new dormer roof and windows
32, Cloister Avenue, Blackrock, Co. Dublin
D10B/0479Dún Laoghaire–RathdownLodged 3 Dec 2010Extension
- Granted30 m away
Permission is sought for development consisting of internal alterations, provision of a new entrance hall…
32, Cloister Avenue, Blackrock, Co. Dublin
D10B/0478Dún Laoghaire–RathdownLodged 3 Dec 2010Extension
- Granted30 m away
Permission is sought for provision of a new front gable wall and 2 no. velux rooflights to existing front…
No. 33 Cloister Avenue, Blackrock, Co. Dublin
D11B/0024Dún Laoghaire–RathdownLodged 27 Jan 2011Extension
- Invalid30 m away
New front gable wall and 2 no. velux rooflights to existing front attic roof
33, Cloister Avenue, Blackrock, Co. Dublin
D10B/0477Dún Laoghaire–RathdownLodged 3 Dec 2010Extension
Related developments
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Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
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- GrantedExtension
The development will consist of works to the existing single storey house to include removal of internal…
Glenval (rear of ) 32 Stillorgan Grove, Stillorgan, Co. Dublin
D05A/1482Dún Laoghaire–RathdownLodged 18 Nov 2005
- GrantedExtension
Permission for development which will consist of — Demolish existing store/balcony to rear of garage and 2…
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Permission for development consisting of the construction of new side and rear extensions to an existing…
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