Tonacooleen

63 registered freehold parcels lie mostly in Tonacooleen, from 223 m² to 144,956 m² (14.5 ha, 35.82 acres). The dashed line is the townland's boundary; 25 neighbouring parcels touch it.

Download the townland: DXF, in Irish Transverse Mercator metres, with its boundary, parcels and buildings; GeoJSON or KML.

No zone of a development plan covers Tonacooleen 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.

• 27 Mar 2026Conditional

  to construct serviced dwelling with effluent treatment system and a domestic garage/shed

  Permission, 1 home · Galway County Council, 2660476

• 15 Dec 2025Conditional

  EirGrid PLC, with the consent and approval of the Electricity Supply Board (ESB), intends to apply for permission for works to uprate the existing Castlebar - Dalton 110 kV overhead line (OHL). The proposed development will take place within the following townlands: Liscromwell Carrowkeel Brees Breandrum or Windsor Prison South Facefield Aghalusky Drumnaslooeen Mossbrook Cloontybaunan Ballinagran Ballynastangford Lower Derrynamraher Rathredmond Birchfield Cappavicar South Dooros Garrywadreen Keelkill Drumadoon Drumneen Ballinvoash Legaun Ballynastangford Upper Gneeve Ballymacloughlin Drumneen (Prendergast) Lisnaran Ballyrourke Ballynew Drumcorrabaun Pollavaddy Eskerlevally Kilmacrade Moat Drumneen South Burris Garhawnagh Castlegar Barrackland Carrowgarve Crantahar Rinnahulty Knocknamoghalaun Drumkeen Carrowmore Rathduff Clare Derreen Heathlawn Kilbeg-Malone Prison North Coolaghbaun The Castlebar - Dalton 110 kV circuit is 27.8 km in length and runs between the existing Castlebar 110 kV substation in the townland of Aghalusky in central County Mayo, to Dalton 110 kV substation located in the townland of Clare, eastern County Mayo. The OHL has a total of 144no. supporting structures. The proposed development will comprise: ? the replacement (“restringing”) of the existing OHL circuit conductor wires with a new higher capacity conductor between Castlebar 110 kV and the Dalton 110 kV substations; ? the replacement of end mast in-situ at 1no. location, with a similar structure; ? the replacement of angle masts in-situ at 6no. locations, with similar structures; ? the strengthening of tower foundations at 4no. locations; ? the strengthening of towers (i.e., member replacement) at 10no. locations; ? the painting of towers at 10no. locations; ? the replacement of tower bolts at 3no. locations; ? the replacement of polesets at 48no. locations, with similar structures. The change in structures will result in standardised heights from 16 m to 24 m along the circuit. The majority of the height increases will be between 0.1 m and 2.0 m; ? the replacement of insulating and ancillary hardware at all structure locations; ? the replacement of earthwire between structure number 132 and structure number 144; ? the replacement of stay wire / anchors and associated fittings at 16no. locations; ? the replacement of crossarms at 58no. locations; ? all associated temporary site development works to gain access to the existing structures inclu

  Permission · Mayo County Council, 2560928

• 9 Oct 2025Conditional

  for the replacement (“restringing”) of the existing OHL circuit conductor wires with a new higher capacity conductor between structure no. 81 and 161; the replacement of angle masts in-situ at 3no. locations, with similar structures; the painting of a tower at 1no. location; the replacement of polesets at 54no. locations, with similar structures. The change in structures will result in standardised heights from 16 m to 23 m along the circuit. The majority of the height increases will be between 0.1 m and 2.0 m (at 40no. structures), with 13no. structure replacements resulting in no change in height. Structure no. 109 will increase in height by 3.0 m; the replacement of insulating and ancillary hardware at all structures from structure no. 81 to 160; the replacement of stay wire / anchors and associated fittings at 3no. locations; the replacement of crossarms at 59no. locations; the installation of fibre wrap on phase conductor between structure no. 1 and structure no. 161; all associated temporary site development works to gain access to the existing structures including the removal and reinstatement of 220m of hedgerow / field boundary (estimated using Táilte Éireann data), vegetation clearance and management, disassembly and reassembly of gate posts / piers and removal and reinstatement of existing fencing; and other temporary associated and ancillary site development works required for the purpose of the uprate of the existing circuit, including construction compounds, silt traps, silt fences, vegetation clearance and management, stone tracks, ground protection mats, infrastructure crossing support systems (i.e., guard poles) and a temporary watercourse crossing to access structure no. 160. Where required, an aerial catenary stringing system will be used to facilitate stringing operations over major obstacles, e.g., national roads, rivers, etc. A Natura Impact Statement will be submitted to the Planning Authority with the application

  Permission · Galway County Council, 2561471

• 9 Oct 2025Conditional

  EirGrid PLC, with the consent and approval of the Electricity Supply Board (ESB), intends to apply for permission for works to uprate the existing Cashla - Dalton 110 kV overhead line (OHL). Within County Mayo, the proposed development will take place within the following townlands: DALGAN DEMESNE, POLLBAUN, CARROWBEG WEST, GORTEENS, SEEFIN, BROOKHILL, CARROWMORE, BALLYHANKEEN, RUSHBROOK EAST, BALLYCUSHEEN, SCARDAUN WEST, MILLBROOK, MILFORD DEMESNE, CURRAGHADOOEY, LISDUFF, RATHGRANAGHER (MILLER), DRUMMIN WEST, CARROWBEG EAST, RATHGRANAGHER (LINDSAY), CROSSBOYNE, KILBEG-MALONE, DAVROS, DERRY, CLARE, GREAGHANS, COOLROE, ROOS, LEEDAUN The Cashla - Dalton 110 kV OHL circuit runs through County Galway and County Mayo. It is 57.7 km in length and travels from Cashla 110 kV substation in Barrettspark in central County Galway and traverses northwest to the Dalton 110 kV substation (County Mayo). The OHL has a total of 271no. supporting structures. Within the functional area of Mayo County Council, there is 24.7 km of the existing OHL circuit, with 111no. structures. Within the functional area of Galway County Council there is 33.0 km, with 160no. structures. Separate planning applications will be lodged with Galway County Council. The proposed development within Co. Mayo will comprise: • the replacement (“restringing”) of the existing OHL circuit conductor wires with a new higher capacity conductor between structure no. 160 and Dalton 110 kV substation; • the replacement of angle masts in-situ at 6no. locations, with similar structures; • the strengthening of tower foundations at 2no. locations; • the strengthening of towers (i.e., member replacement) at 6no. locations; • the painting of towers at 7no. locations; • shear block remedial works of a tower at 1no. location; • the replacement of polesets at 83no. locations, with similar structures. The change in structures will result in standardised heights from 16 m to 23 m along the circuit. The majority of the height increases will be between 0.1 m and 2.0 m (at 70no. structures), with 12no. structure replacements resulting in no change in height. Structure no. 263 will increase in height by 7.0m; • the replacement of insulating and ancillary hardware at all structures from structure no. 161 to 271; • the replacement of earthwire between structure no. 261 and structure no. 271; • the replacement of stay wire / anchors and associated fittings at 7no. locations; • the replacement of crossarms at 7

  Permission · Mayo County Council, 2560709

• 2 Jul 2025Conditional

  to construct a dwelling house, domestic garage, proprietary wastewater treatment system with percolation area, and all associated site development works. Gross floor space of proposed works: 343.00 sqm(H), 40.00 sqm(G)

  Permission, 1 home · Galway County Council, 2560870

• 20 May 2025Conditional

  to construct a fully serviced dwelling house, a treatment plant system and garage, and permission to relocate the front boundary wall so to obtain the required sight distances. Gross floor space of proposed works: 242.36 sqm(G), 54 sqm(H)

  Permission, 1 home · Galway County Council, 2560626

• 7 Mar 2024Conditional

  to construct new silage pit with concrete walls and concrete apron. Gross floor space of proposed works: 520 sqm

  Permission · Galway County Council, 2460248

• 22 Oct 2021Conditional

  of a garage/shed, a rear conservatory and alterations to the rear elevation in an existing dwelling. Gross floor space of work to be retained: 13.68 sqm (conser.) & 51.7 sqm (garage)

  Retention, 1 home · Galway County Council, 211974

• 28 Jun 2021Conditional

  for the demolition of living/dining room to the west of the existing dwelling and construction of part single-storey, part two-storey extensions to existing dwelling, modification of existing window/door openings, construction of a new granny flat to the rear of existing dwelling, upgrade an existing effluent treatment system, including ancillary works and associated site works. Gross floor space of proposed works: 102sqm. Gross floor space of work to be retained: 103sqm. Gross floor space of any demolition: 20.5sqm

  Permission, 1 home · Galway County Council, 211146

• 16 Sept 2020Conditional

  For (1) to replace an existing substandard house with a new house, (2) to construct a domestic garage and (3) to install a treatment plant system. Gross floor space of proposed works: 278 sqm - House, 60 sqm - Garage

  Permission, 1 home · Galway County Council, 201319

• 30 Jun 2020Refused

  for an extension and alterations to an existing dwelling and permission to upgrade an existing effluent treatment system and associated services. Gross floor space of proposed works: 157 sqm

  Permission, 1 home · Galway County Council, 20854

• 29 Nov 2019Conditional

  to construct serviced extension and alterations to existing dwelling and new effluent treatment system. Gross floor space of proposed works: 194 sqm

  Permission, 1 home · Galway County Council, 191858

Source: National Planning Applications, Department of Housing, Local Government and Heritage, CC BY 4.0. Applicants are not shown.

Designated sites

No designated site (Special Area of Conservation, Special Protection Area, Natural Heritage Area or proposed one) touches the townland of Tonacooleen.

Recorded monuments

• GA028-045 Ringfort - cashel
  Description

  On a rise in grassland. Very poorly preserved circular cashel (D 35m) defined by a drystone wall from N to E; elsewhere a scarp forms the enclosing element. A field boundary cuts the monument at NE and SE. A ringfort (GA028-045----) lies c. 300m to E. The above description is derived from the published 'Archaeological Inventory of County Galway Vol. II - North Galway'. Compiled by Olive Alcock, Kathy de hÓra and Paul Gosling (Dublin: Stationery Office, 1999). Date of upload: 05 August 2010

• GA028-046 Ringfort - cashel
  Description

  On the summit of a hill in gently rolling grassland. Very poorly preserved almost circular cashel (D c. 40m) defined by a collapsed drystone wall from SW through W to N; elsewhere a scarp forms the enclosing element. A field bank cuts the monument at SW and NW. Incorporated into the wall at NNW is a small circular depression (D 2m), possibly the remains of a hut. A CBG (GA028-046001-) is associated. The above description is derived from the published 'Archaeological Inventory of County Galway Vol. II - North Galway'. Compiled by Olive Alcock, Kathy de hÓra and Paul Gosling (Dublin: Stationery Office, 1999). Date of upload: 05 August 2010

• GA028-046001 Children's burial ground
  Description

  Associated with a ringfort (GA028-046----) named 'Killeen Fort'. According to local tradition, there was a CBG in or near this cashel but no visible surface trace of it survives. The above description is derived from the published 'Archaeological Inventory of County Galway Vol. II - North Galway'. Compiled by Olive Alcock, Kathy de hÓra and Paul Gosling (Dublin: Stationery Office, 1999). Date of upload: 05 August 2010

• GA028-046002 Hut site
  Description

  The Archaeological Survey of Ireland (ASI) is in the process of providing information on all monuments on The Historic Environment Viewer (HEV). Currently the information for this record has not been uploaded. To access available information for research purposes please make an appointment in advance with the Archive Unit (open Fridays 10.00 am – 5.00 pm), Department of Housing, Local Government and Heritage, The Custom House, Dublin 1 D01W6XO or email NMarchive@housing.gov.ie.

• GA028-047 Ringfort - rath
  Description

  In gently rolling grassland. Well-preserved circular rath (D 34m) defined by two banks and an intervening fosse. The inner bank survives from SE through S to SW; elsewhere a scarp forms the enclosing element. Quarrying has encroached upon the monument from W to N. There is a well-defined entrance at N. Immediately S is a ringfort (GA028-048----). The above description is derived from the published 'Archaeological Inventory of County Galway Vol. II - North Galway'. Compiled by Olive Alcock, Kathy de hÓra and Paul Gosling (Dublin: Stationery Office, 1999). Date of upload: 05 August 2010

• GA028-048 Ringfort - rath
  Description

  Immediately S of a ringfort (GA028-047----). Subcircular rath (N-S 36m, E-W 31m), in fair condition, defined by two banks and an intervening fosse. The inner bank survives from NW through N to NE and at SE; a scarp forms the enclosing element elsewhere. The fosse and outer bank survive only at SE. The above description is derived from the published 'Archaeological Inventory of County Galway Vol. II - North Galway'. Compiled by Olive Alcock, Kathy de hÓra and Paul Gosling (Dublin: Stationery Office, 1999). Date of upload: 05 August 2010

• GA028-058 Enclosure
  Description

  In pastureland. The outline of a levelled subcircular enclosure (c. 35m N-S; c. 32m E-W) is visible Google Earth aerial imagery dated March 2019 and 2020. A later N-S running field boundary cuts across its E sector. Identified and reported by Jean-Charles Caillère. The following image has been uploaded: GA028-058----01.jpg Google Earth image (March 2022) Compiled by: Olive Alcock Date of upload: 22 July 2022

Architectural heritage

No building of the National Inventory of Architectural Heritage stands in the townland of Tonacooleen.

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).

Radon

About 1 in 5 homes in this area is likely to have high radon levels. Testing a home

Landslides

Susceptibility low, low (inferred), on the 1:50,000 map.

Terrain model

No LiDAR survey of the Office of Public Works covers the centre of the townland of Tonacooleen.

Flooding

The flood maps of the Office of Public Works: floodinfo.ie.

Radon Risk Map of Ireland, Environmental Protection Agency; Landslide Susceptibility Classification, Geological Survey Ireland; both 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.

No address of the register names Tonacooleen with five sales or more. The sales of the area are on the page of Co. Galway.

Name

Tonacooleen · Tóin an Chúilín

Area

1,529,133 m² (152.91 ha, 377.86 acres)

Civil parish

Donaghpatrick, and its townlands

Barony

Clare

Electoral division

Donaghpatrick, the unit of the census

Census 2022

Donaghpatrick electoral division: 584 people in 210 households; 91% of households own their home; 35% of homes were built since 2001; 6% of dwellings stood vacant on census night, and 3% were holiday homes.

Neighbouring townlands

Bellanagarraun, Carrowmore, Corillaun, Dalgan Demesne (Co. Mayo), Ralusk, Shrulegrove

Placenames

Tonacooleen 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.