31, Kilmacud Park, Blackrock, Co Dublin, A94Y0F8
A two-storey side extension, front porch, and attic conversion for storage.
D20B/0351 · Dun Laoghaire Rathdown County Council · Lodged 18 January 2021
- Reference
- D20B/0351
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 18 January 2021
Summary
AI-generatedPermission is sought for a new two-storey extension with a hipped end roof to the side of the property, extending its full length. The project also includes a new front open porch, window alterations at the rear, and a dormer roof attic conversion for non-habitable storage use.
- 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 a new 2 storey extension with hipped end roof to the side of the existing property extending the whole length of the property. Also on the front elevation a new open porch is to be installed. The existing 2no bathroom windows on the rear are to be removed and replaced with a single window. Works also to include a new dormer roof attic conversion for storage purposes only (non-habitable status) with a window to the rear and internal alterations. Permission is also soug...
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 1 April 2021.
Notified floor area: 126 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 10 Marsham Court, Kilmacud Rd Upper, Stillorgan | Sept 2025 | €792,000 | 88 m |
| 3 Kilmacud Park, Stillorgan, Dublin | Sept 2025 | €950,000 | 128 m |
| 38 Marshan Court, Stillorgan, Dublin | Feb 2025 | €678,000 | 145 m |
| 17 Dale Close, Stillorgan | Nov 2025 | €920,000 | 146 m |
| 14 South Avenue, Mount Merrion, Co Dublin | Sept 2025 | €920,000 | 183 m |
| 65 Whatley Place, Stillorgan, Co Dublin | Oct 2025 | €730,000 | 188 m |
| 83 Marsham Court, Stillorgan, Dublin | Sept 2025 | €658,500 | 228 m |
| 24 South Ave, Mount Merrion, Dublin | Dec 2025 | €1,580,000 | 247 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 received18 January 2021
- Decision issued11 February 2021
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
Single-story front extension with two roof windows. Extension of the shed in the rear garden
31, Kilmacud Park, Kilmacud, Blackrock, Dublin, A94Y0F8
D24B/0082/WEBDún Laoghaire–RathdownLodged 29 Feb 2024Extension
- InvalidAt this site
First-floor extension to the side. Single-storey extension to the front and rear. Widening of front vehicular…
29, Kilmacud Park, Kilmacud, Blackrock, Dublin, A94A3H0
D24A/0938/WEBDún Laoghaire–RathdownLodged 26 Nov 2024Extension
- GrantedAt this site
First-floor extension to the side. Single-storey extension to the front and rear. Widening of front vehicular…
29, Kilmacud Park, Kilmacud, Blackrock, Dublin, A94A3H0
D25A/0076/WEBDún Laoghaire–RathdownLodged 3 Apr 2025Extension
- Granted40 m away
Demolition of existing single storey shed to side boundary and the construction of a new single storey…
39, Kilmacud Park, Kilmacud, Blackrock, Dublin, A94D2H4
D23A/0277Dún Laoghaire–RathdownLodged 27 Apr 2023Extension
- Granted50 m away
Permission for development consisting of the demolition of existing single storey sheds to side boundary and…
41, Kilmacud Park, Stillorgan, Co. Dublin
D13A/0408Dún Laoghaire–RathdownLodged 9 Aug 2013Extension
- Granted50 m away
Permission for the conversion of their attic to storage including changing the existing hipped end roof to a…
41 Kilmacud Park, Kilmacud, Blackrock, Co. Dublin A94 E4H6
D19B/0414Dún Laoghaire–RathdownLodged 10 Sept 2019Extension
- Granted50 m away
2 storey side extension, single storey front lean to extension
21, Kilmacud Park, Stillorgan, Co. Dublin.
D04B/0841Dún Laoghaire–RathdownLodged 26 Nov 2004Extension
- Granted50 m away
Permission is sought for retention of a single storey extension to the rear of the house (kitchen - dining…
21, Kilmacud Park, Stillorgan, Co. Dublin
D10B/0037Dún Laoghaire–RathdownLodged 29 Jan 2010Retention
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 removal of existing single storey side and rear extension and the construction of a new 2…
181 Clonkeen Road, Blackrock, Co Dublin
D17B/0324Dún Laoghaire–RathdownLodged 7 Jul 2017
- GrantedExtension
Permission is sought for the construction of a ground floor rear kitchen extension, conversion of existing…
1, Sycamore Road, Dublin 16
D07B/0629Dún Laoghaire–RathdownLodged 6 Jul 2007
- GrantedExtension
Permission is sought for two storey extension to the side of house with existing roof extended over, forming…
8 Seafield Close, Blackrock, Co Dublin, A94 H318
D22B/0167Dún Laoghaire–RathdownLodged 31 Mar 2022
- GrantedExtension
Permission sought for — Construction of two storey extension to rear (consisting of single and two storey…
21, Raglan Lane, Ballsbridge, Dublin 4
3523/22Dublin CityLodged 15 Mar 2022
- GrantedExtension
Permission is sought for a two-storey extension to the front and also an attic conversion to include…
12 Riverwood Green, Castleknock, Dublin 15, D15 K3K0
FW26A/0086FingalLodged 6 Mar 2026
- GrantedExtension
Extensions and alterations to the existing dwelling, including the construction of a 2 storey extension to…
138, Butterfield Avenue, Rathfarnham, Dublin 14
SD18B/0030South DublinLodged 30 Jan 2018
Community
Discussion
What local people think about this application.
Community sentiment
No votes yetNobody has voted on this application yet.
Community sentiment — a straw poll of people who visited this page, not a statutory submission. To make a valid observation you must submit it to the planning authority.
Sign in to have your say on this application.
No comments yet. Be the first to say what you think about this application.
Sign in to join the discussion on this application.
Comments are moderated and are the opinions of the people who wrote them. They form no part of the statutory planning process — to make a valid observation you must submit it to the planning authority.