22 Blackthorn Green, Sandyford, Dublin 16
Alterations to a previously approved house to make it detached rather than semi-detached.
D15A/0142 · Dun Laoghaire Rathdown County Council · Lodged 4 March 2015
- Reference
- D15A/0142
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 4 March 2015
Summary
AI-generatedThis application proposes alterations to a previously approved planning permission for a new house in a side garden. The main change is detaching the proposed house from the existing house by a gap of 900mm.
- Residential unit
- 1
- 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 for alterations to previously granted planning permission, approved subject to conditions, ref. D14a/0666, (two storey, 4 bedroom semi-detached house with associated dormer roof with attic bedroom and en-suite to side garden of house no. 22 with new vehicle entrance). The alterations include detaching the proposed house no. 22a from house no. 22 by 900mm.
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 16 November 2015. A completion certificate was lodged on 20 December 2016.
3 commencement notices are linked to this development.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 35 Blackthorn Green, Sandyford, Dublin 16 | Jun 2025 | €565,000 | 46 m |
| 21 Blackthorn Green, Sandyford, Dublin 18not full market price | May 2025 | €275,000 | 56 m |
| 39 Blackthorn Green, Sandyford, Dublin 16 | Jul 2025 | €605,000 | 57 m |
| 5 Blackthorn Green, Sandyford, Dublin 18 | Jun 2025 | €570,000 | 66 m |
| 84 Moreen Ave, Sandyford, Dublin 18 | Dec 2025 | €530,000 | 117 m |
| 14 Moreen Ave, Sandyford, Dublin 16 | Aug 2025 | €560,000 | 125 m |
| 11 Greenlands, Sandyford Rd, Sandyford Dublin 18 | May 2026 | €575,000 | 147 m |
| 7 Blackthorn Court, Sandyford Rd, Dublin 16 | Oct 2025 | €360,000 | 182 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 March 2015
- Decision issued22 April 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 alterations to previously granted planning permission D07A/0155/E (two storey, 3 bedroom semi…
22 Blackthorn Green, Sandyford, Dublin 16
D14A/0666Dún Laoghaire–RathdownLodged 15 Oct 2014Alterations
- GrantedAt this site
Permission sought for a two storey, 3 bedroom semi-detached house to side garden with new vehicular entrance…
22, Blackthorn Green, Sandyford, Dublin 16
D07A/0155Dún Laoghaire–RathdownLodged 16 Jan 2007New dwelling
- GrantedAt this site
Front extension consisting of porch and extended front room
24, Blackthorn Green, Sandyford, Dublin 16
D05B/0610Dún Laoghaire–RathdownLodged 9 Aug 2005Extension
- GrantedAt this site
Single storey extension to front of dwelling for use as lounge and porch with tiled roof matching adjoining…
26 Blackthorn Green, Sandyford, Dublin 18.
D02B/0590Dún Laoghaire–RathdownLodged 22 Jul 2002Extension
- Granted30 m away
Permission for the erection of new single storey hipped roof extension (area 33.28 sqmts) to front, side and…
28 Blackthorn Green, Sandyford, Dublin 16, D16EN81
D22B/0394Dún Laoghaire–RathdownLodged 9 Nov 2022Extension
- Granted30 m away
Retention of development which consists of a single storey domestic extension to the front
28, Blackthorn Green, Sandyford, Dublin 16
D02B/0624Dún Laoghaire–RathdownLodged 31 Jul 2002Retention
- Refused40 m away
Conversion of existing attic to new bedroom. [LOCATION] 33 Blackthorn Green, Sandyford, Dublin — [LOCATION]
33 Blackthorn Green, Sandyford, Dublin 18.
D02B/0535Dún Laoghaire–RathdownLodged 10 Jul 2002Extension
- Granted40 m away
Demolition of single storey side and rear extension, construction of two storey end of terrace house, new…
33, Blackthorn Green, Sandyford, Dublin 16
D05A/1074Dún Laoghaire–RathdownLodged 17 Oct 2005New dwelling
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedAlterations
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- GrantedRetention
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D25A/0764/WEBDún Laoghaire–RathdownLodged 9 Oct 2025
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236393corkLodged 29 Nov 2023
- GrantedNew dwelling
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D25A/0438/WEBDún Laoghaire–RathdownLodged 4 Jun 2025
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