85 Clonkeen Road, Deansgrange, Blackrock, Co. Dublin
Extensions and a granny flat at a house in Deansgrange.
D26A/0021/WEB · Dun Laoghaire Rathdown County Council · Lodged 18 January 2026
- Reference
- D26A/0021/WEB
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 18 January 2026
Summary
AI-generatedThe project involves constructing part-single, part-double ground and first floor extensions to the front, side, and rear of the house. It also includes a single-storey granny flat, external insulation, internal layout alterations, and a new front canopy.
- Storeys
- 2
- Floor area
- 95 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 is sought for the construction of part-single, part-double ground and first floor extensions to the front, side and rear with flat and pitched roofs (proposed ground floor area approx. 52sqm, proposed first floor area approx. 43sqm). The development will include a single storey “granny flat” accessed from both the house and side passage, externally insulating the retained house (render finish), alterations to internal layouts, construction of roof overhang / canopy to front, additional window opes and changes to selected existing window opes 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.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 85 Clonkeen Rd, Blackrock, Dublin | Apr 2025 | €1,080,000 | 6 m |
| Cluain Mhuire, 112 Bothar Chluain Caoin, An Charraig Dhubh | Jun 2025 | €850,000 | 95 m |
| 73 Clonkeen Rd, Blackrock, Dublin | Jan 2025 | €907,000 | 110 m |
| 72 Clonkeen Drive, Foxrock, Dublin 18 | Oct 2025 | €987,500 | 148 m |
| 5 Beech Park Rd, Foxrock, Dublin 18 | May 2026 | €1,055,000 | 165 m |
| 3 South Park Dr, Foxrock, Dublin 18 | Mar 2026 | €1,105,000 | 227 m |
| 57a Meadow Vale, Blackrockprice excludes VAT | Aug 2025 | €748,899 | 245 m |
| 58 Meadow Vale, Deansgrange, Blackrock | Nov 2025 | €825,000 | 251 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 2026
- Decision due13 March 2026
- Decision issued19 January 2026
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 is sought for the construction of part-single, part-double ground and first floor extensions to…
85, Clonkeen Road, Blackrock, Co. Dublin, A94VR02
D26A/0025/WEBDún Laoghaire–RathdownLodged 19 Jan 2026Extension
- GrantedAt this site
Permission sought for the following — Demolish existing attached Garage to side and rear extension consisting…
83, Clonkeen Road, Deansgrange, Blackrock, County Dublin
D17A/0912Dún Laoghaire–RathdownLodged 13 Oct 2017Extension
- Granted40 m away
Permission for refurbishment and extension to existing dwelling. The development will consist of 2 storey…
93 Clonkeen Road, Deansgrange, Co Dublin
D15A/0552Dún Laoghaire–RathdownLodged 31 Aug 2015Extension
- Granted40 m away
Permission is sought for alteration/ extension of the existing two-storey semi-detached house comprising of…
93 Clonkeen Road, Deansgrange, Blackrock, County Dublin, A94 CD53
D21B/0092Dún Laoghaire–RathdownLodged 3 Mar 2021Extension
- Granted80 m away
For formation of single storey sunroom extension to rear of existing extension to the rear
134, Clonkeen Road, Deansgrange, Co. Dublin
D06B/0388Dún Laoghaire–RathdownLodged 5 May 2006Extension
- Granted90 m away
Permission is sought for extension to previously converted garage and for re-design of existing extension to…
9, Beech Park Grove, Foxrock, Dublin 18
D07B/0272Dún Laoghaire–RathdownLodged 11 Jun 2007Extension
- Refused90 m away
Permission is sought for retention of 2 no. external glazed doors at first floor level at front of existing…
9, Beech Park Grove, Foxrock, Dublin 18
D08B/0447Dún Laoghaire–RathdownLodged 12 Jun 2008Retention
- Granted100 m away
Permission for the construction of a rear-facing, zinc-clad roof dormer and a new 1 x 1m window to the side…
103 Clonkeen Road, Deansgrange, Blackrock, Co Dublin
D19B/0133Dún Laoghaire–RathdownLodged 12 Mar 2019Extension
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 construction of part-single, part-double ground and first floor extensions to…
85, Clonkeen Road, Blackrock, Co. Dublin, A94VR02
D26A/0025/WEBDún Laoghaire–RathdownLodged 19 Jan 2026
- RefusedExtension
Permission is sought for a part 1/part 2 storey extension to the rear (South) facade providing: at ground…
6 Bealing Grove, Bealing Grove, Bealing Village, Tyrellstown, D15E4Y7
FW23A/0229FingalLodged 2 Aug 2023
- InvalidExtension
Permission is sought for construction of a 2-storey addition to rear and side of the existing dwelling…
51, Beaufield Park, Stillorgan, Co. Dublin
D12A/0113Dún Laoghaire–RathdownLodged 29 Mar 2012
- GrantedExtension
For the construction of a new single story extension to the side of the existing dwelling extending to the…
Cloonfush ,
21317galwayLodged 9 Mar 2021
- GrantedExtension
Permission is sought for — the provision of a "granny" flat at lower ground floor level comprising conversion…
Aisling, 5, Old Rathmichael, Shankill, Dublin 18
D08A/0184Dún Laoghaire–RathdownLodged 18 Feb 2008
- GrantedExtension
Permission for domestic extensions and alterations to existing two-storey dwelling, comprising of: removal of…
99, Meadow Grove, Dundrum Dublin 16
D13A/0049Dún Laoghaire–RathdownLodged 1 Feb 2013
Community
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