1, Willowmount, Blackrock, Co. Dublin
Single-storey rear and side extension, new front porch, and elevational changes to a house in Blackrock.
D15B/0318 · Dun Laoghaire Rathdown County Council · Lodged 4 August 2015
- Reference
- D15B/0318
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 4 August 2015
Summary
AI-generatedThe project involves constructing a new single-storey extension to the rear and side of an existing detached two-storey dwelling. It also includes a new front porch, a new first-floor bay window to the rear, and rendering the existing brick elevations.
- 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
Permission is sought for construction of new single storey extension to rear and side, new porch to front and alterations to existing elevations to include new first floor bay window to rear and render finish to existing brick elevations. All including any associated site works to an existing detached two storey 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 5 February 2016.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 6 Willowmount, Booterstown, Dublin | Apr 2025 | €1,650,000 | 61 m |
| 12 Pinehaven, Cross Avenue, Blackrock | Jan 2026 | €1,340,000 | 128 m |
| 23 Cross Avenue, Blackrock, Co Dublin | Dec 2025 | €2,375,000 | 194 m |
| 9b Rosemount Terrace, Booterstown, Co Dublin | Apr 2025 | €795,000 | 200 m |
| 35 Booterstown Ave, Blackrock, Dublin | Apr 2026 | €1,600,000 | 234 m |
| Bellevue, Cross Ave, Blackrock | Jul 2025 | €2,380,000 | 269 m |
| 26 Booterstown Ave, Blackrock, Dublin | Nov 2025 | €750,000 | 270 m |
| 25 Booterstown Ave, Booterstown, Dublin | Jun 2026 | €1,700,000 | 270 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 received4 August 2015
- Decision issued28 September 2015
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 widening the existing front vehicular access, raising the height of the front existing…
1 Willowmount, Blackrock, Co Dublin
D16A/0315Dún Laoghaire–RathdownLodged 6 May 2016Alterations
- GrantedAt this site
Permission for Retention of a single story extension to the front of an existing detached two storey dwelling
1 Willowmount, Blackrock, Co Dublin A94 E1X8
D18B/0314Dún Laoghaire–RathdownLodged 19 Jul 2018Retention
- GrantedAt this site
Permission for development consisting of: (1) partial demolition of an existing single storey extension to…
2 Willowmount, Booterstown Avenue, Co Dublin
D14A/0145Dún Laoghaire–RathdownLodged 24 Mar 2014Extension
- GrantedAt this site
Permission for development consisting of: (1) The demolition of an existing single storey extension to the…
2, Willowmount, Booterstown Avenue, Co Dublin
D13A/0227Dún Laoghaire–RathdownLodged 10 May 2013Extension
- Granted30 m away
The development consists of the demolition of existing garage to side, and the construction of part single…
12, Willowmount, Booterstown, Co. Dublin, A94E7R7
D25B/0572/WEBDún Laoghaire–RathdownLodged 8 Oct 2025Extension
- Granted30 m away
Permission is sought for modification to existing two storey detached dwelling comprising — Construction of…
12, Willowmount, Booterstown, Co. Dublin
D17B/0510Dún Laoghaire–RathdownLodged 15 Nov 2017Extension
- Granted40 m away
Retention Permission for development. The development consists of a ground floor extension to the rear…
6 Willow Place, Booterstown Avenue, Blackrock, Co. Dublin
D20B/0123Dún Laoghaire–RathdownLodged 22 Apr 2020Retention
- Granted40 m away
Permission is sought for the removal of existing first floor return (roof and external walls) to the rear of…
6, Willow Place, Booterstown, Co. Dublin
D12B/0022Dún Laoghaire–RathdownLodged 27 Jan 2012Extension
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 for a single storey extension to rear, remodelling of existing front porch and alterations to…
217 Lower Kilmacud Road, Stillorgan, Co Dublin
D15B/0182Dún Laoghaire–RathdownLodged 21 May 2015
- GrantedExtension
Permission is sought for a single storey extension to rear, new roof to existing front porch to include…
219, Kilmacud Road Lower, Stillorgan, Co. Dublin
D17A/0220Dún Laoghaire–RathdownLodged 13 Mar 2017
- GrantedExtension
Permission is sought for modification to existing two storey detached dwelling comprising — Construction of…
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D17B/0510Dún Laoghaire–RathdownLodged 15 Nov 2017
- Awaiting decisionExtension
Permission for — 1) A new part single storey, part two storey extension to the east elevation
Knockshanawee, Farnanes, Co. Cork, P14 PX46
26/0502corkLodged 2 Mar 2026
- GrantedExtension
Permission for the construction of single storey extensions on the north and south elevation of the existing…
Sundial, Seaview Lawns, Shankill, Co Dublin
D15B/0141Dún Laoghaire–RathdownLodged 23 Apr 2015
- GrantedExtension
Permission is sought for two storey and first floor extension to the side of an existing detached dwelling…
Rathmacullig East , Ballygarvan , Cork
2241060Cork CityLodged 26 Apr 2022
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