Coosaun
Coosaun is a townland in the civil parish of Kiltullagh, barony of Castlereagh, Co. Roscommon. Its name in Irish is Cuasán.
- Area
- 53.5 ha
- 132 acres
- Land parcels
- 34
- registered freehold, median 6,060 m² (0.61 ha, 1.5 acres)
- Zoning
- —
- not in a zoned settlement
- Planning
- 3
- applications since 2010
Land parcels
Registered freehold land, Tailte Éireann
34 registered freehold parcels lie mostly in Coosaun, from 221 m² to 83,036 m² (8.3 ha, 20.52 acres). The dashed line is the townland's boundary. 21 neighbouring parcels touch it.
Download the townland as DXF, in Irish Transverse Mercator metres, with its boundary, parcels and buildings, or as GeoJSON or KML.
Zoning
Development plans, national zoning
No zone of a development plan covers Coosaun in the national zoning. Outside zoned towns and villages, the county development plan's rural policies apply to each application.
Source: Tailte Éireann and the Department of Housing (MyPlan), national zoning, CC BY 4.0.
Planning applications
Sites that touch the townland, newest first
24 Jul 2025Conditional
Permission to construct a new slatted shed, together with all associated site works at
Permission · Roscommon County Council, 2560363
5 May 2021Conditional
permission to construct garage on site together with all ancillary site works and services at
Permission, 1 home · Roscommon County Council, 21226
18 Jul 2018Conditional
for the construction of an extension to the rear of the existing dwelling and all ancillary site works at
Permission, 1 home · Roscommon County Council, 18360
Source: National Planning Applications, Department of Housing, Local Government and Heritage, CC BY 4.0. Applicants are not shown.
Nature and heritage
Designated sites and recorded monuments
Designated sites
No designated site (Special Area of Conservation, Special Protection Area, Natural Heritage Area or proposed one) touches the townland of Coosaun.
Recorded monuments
No recorded monument lies in the townland of Coosaun.
Architectural heritage
No building of the National Inventory of Architectural Heritage stands in the townland of Coosaun.
Designated sites: National Parks and Wildlife Service. Recorded monuments: Sites and Monuments Record, National Monuments Service. Buildings: National Inventory of Architectural Heritage. Department of Housing, Local Government and Heritage, CC BY 4.0. Works at or in relation to a recorded monument need two months' written notice to the National Monuments Service (National Monuments (Amendment) Act 1994, section 12).
Ground and risks
Radon, landslides, flooding
- Radon
- At the centre of the townland of Coosaun, about 1 in 20 homes in this area is likely to have high radon levels. Testing a home
- Landslides
- The 1:50,000 map rates the landslide susceptibility here as low, partly inferred.
- Terrain model
- No LiDAR survey of the Office of Public Works covers the centre of the townland of Coosaun.
- Flooding
- The Office of Public Works publishes its flood maps on floodinfo.ie.
Radon Risk Map of Ireland, Environmental Protection Agency, and Landslide Susceptibility Classification, Geological Survey Ireland, both under CC BY 4.0. LiDAR: contains Irish Public Sector Data (Geological Survey Ireland & the Office of Public Works) licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) licence.
Homes sold
Property Price Register
No address of the register names Coosaun with five sales or more. The sales of the area are on the page of Co. Roscommon.
The townland
- Name
- Coosaun · Cuasán
- Area
- 534,545 m² (53.45 ha, 132.09 acres)
- Civil parish
- Kiltullagh, and its townlands
- Barony
- Castlereagh
- Electoral division
- Ballinlough, the unit of the census
- Census 2022
- 1,138 people lived in 465 households in the Ballinlough electoral division. 78% of households owned their home. 39% of homes were built since 2001. 16% of dwellings stood vacant on census night, and 7% were holiday homes.
- Neighbouring townlands
- Ballybane (Reynolds), Ballybane Lower, Clooncalgy, Clooncalgy More, Cloonlee, Meelick
- Placenames
- Coosaun on logainm.ie, the Placenames Database of Ireland
Townlands, civil parishes, baronies and electoral divisions, National Statutory Boundaries, Tailte Éireann, CC BY 4.0. Census 2022, Small Area Population Statistics by electoral division, Central Statistics Office, CC BY 4.0. A townland is the smallest land division of Ireland, and the unit of a rural address. Old registers such as the 1901 and 1911 censuses file it under its civil parish and barony.