Blackthorn Hill, Coolmine, Saggart, Co. Dublin
Single-storey extension to an existing cottage and a temporary dwelling during construction.
SD20B/0309 · South Dublin County Council · Lodged 25 August 2020
- Reference
- SD20B/0309
- Authority
- South Dublin County Council
- Register status
- In progress
- Type
- Permission
- Received
- 25 August 2020
- Floor area
- 200 m²
Summary
AI-generatedThe development consists of a single-storey extension to an existing cottage. It also includes a temporary single-storey dwelling to be used for the duration of the construction works.
- Storey
- 1
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
Single storey extension to existing cottage. Temporary single storey dwelling for the duration of construction works. All associated site works.
Land-use zoning
What this land is zoned for
“To protect and enhance the outstanding natural character of the Dublin Mountains Area”
National zoning type: Conservation, amenity or buffer space, corridor/belt, landscape
Objective set by the South Dublin 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 |
|---|---|---|---|
| Ardaragh, Red Gap, Rathcoole | May 2026 | €1,175,000 | 184 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 received25 August 2020
- Decision due19 October 2020
- Decision issued19 October 2020
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- RefusedAt this site
Two storey split level extension to existing cottage and all associated site works
Blackthorn Hill, Coolmine, Saggart, Co. Dublin
SD21B/0041South DublinLodged 2 Sept 2021Extension
- GrantedAt this site
Alterations to the existing roof structure of existing habitable dwelling; construction of a single storey…
Blackthorn Hill, Coolmine, Saggart, Co. Dublin
SD22B/0178South DublinLodged 10 Mar 2023Extension
- Invalid70 m away
Retention for living room, bedroom en-suite, revised design for extension to house as permission granted 14th…
"Windfall", Coolmine, Saggart, Co. Dublin
SD09B/0263South DublinLodged 1 Jul 2009Retention
- Granted70 m away
Retention of existing first floor study/store room and bathroom
"Windfall", Coolmine, Saggart, Co. Dublin
SD09B/0317South DublinLodged 10 Aug 2009Retention
- Refused100 m away
Detached single storey, three bedroom dwelling with sedum roof with photovoltaic panel above and a north…
Crockaunadreenagh, Rathcoole, Co. Dublin
SD17A/0204South DublinLodged 21 Jun 2017New dwelling
- Granted100 m away
Conservatory
Crockaunadreenagh, Rathcoole, Co. Dublin.
S99B/0445South DublinLodged 7 Jul 1999
- Refused100 m away
Detached single storey, three bedroom dwelling with a new vehicular entrance; Biocycle waste water treatment…
Crockaunadreenagh, Rathcoole, Co. Dublin
SD16A/0158South DublinLodged 13 May 2016New dwelling
- Granted220 m away
Change of use from agriculture to pitch and putt course
Coolmine, Saggart, Co.Dublin.
S00A/0832South DublinLodged 27 Mar 2001Change of use
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
Construction of a single storey extension to existing cottage and all associated site works
Blackditch , Nurney , Co. Kildare
2660200KildareLodged 26 Feb 2026
- GrantedExtension
Construction of a single storey extension to the side and rear of the existing single storey cottage…
Daisy Chain, Farrannamanagh, Cloyne, Co. Cork
177299corkLodged 15 Dec 2017
- Awaiting decisionExtension
Construct a single-storey extension to side of the existing cottage and all associated site works
Haywood Demense & Church Street , Ballinakill , Co. Laois.
2560483LaoisLodged 12 Aug 2025
- GrantedExtension
To construct a single storey extension and all associated site works to existing Cottage
Ballynamountain , Carrigeen , Mooncoin
16335KilkennyLodged 26 May 2016
- Awaiting decisionExtension
Construct a single-storey extension of the existing cottage to the side and all associated site works
Heywood Demense & Church Street , Ballinakill , Co. Laois.
2560476LaoisLodged 8 Aug 2025
- Awaiting decisionExtension
Construction of ground and first floor extension to existing single storey cottage, alterations to elevations…
Rose Cottage, No. 4 The Cottages, Ardkilly, Sandy Cove, Kinsale, Co. Cork
187204corkLodged 6 Dec 2018
Community
Discussion
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