Coolaght

45 registered freehold parcels lie mostly in Coolaght, from 1,275 m² to 437,637 m² (43.76 ha, 108.14 acres). The dashed line is the townland's boundary. 24 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.

No zone of a development plan covers Coolaght 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.

• 21 Apr 2026Conditional

  a) demolition of part of the existing dwelling house, b) construction of a single storey side and front extension to the remaining dwelling house, c) replacement of the existing septic tank with a new proprietary wastewater treatment system and d) all ancillary works on revised site boundaries

  Permission · Mayo County Council, 2660316

• 16 Apr 2026N/a

  a) demolition of part of the existing dwelling house, b) construction of a single storey side and front extension to the remaining dwelling house, c) replacement of the existing septic tank with a new proprietary wastewater treatment system and d) all ancillary works on revised site boundaries

  Permission · Mayo County Council, 2660307

• 15 Mar 2023Conditional

  The amalgamation of the PBKS & Derryvoghys GWS's. Consisting of the installation of a 1.7km long, 90mm outside diameter interconnecting pipeline, replacement of circa 0.6km of an existing 3" diameter pipeline with a new 90mm OD section of pipeline, replacement of circa 1.6km of an existing 2" diameter pipeline with a new 63mm OD section of pipeline, replacement of circa 3.7km of an exisitng 2" diameter pipeline with a new 63mm OD section of pipeline. Constructon of a new booster station alongside the proposed interconnecting pipeline. Decommissioning of the replaced section of pipeline within DMA001, 004 & 005 of the Derryvoghy GWS, decommissioning of the existing Derryvoghy source and pumping station, and all associated site development works above and below ground including installation of all necessary valves and chambers. (A NIS will be submitted with the application)

  Permission · Mayo County Council, 23132

• 5 Jun 2020Conditional

  CONSTRUCT DWELLING HOUSE, DOMESTIC GARAGE AND FUEL STORE, WASTEWATER TREATMENT SYSTEM AND PERCOLATION AREA ALONG WITH ASSOCIATED SITE WORKS.

  Permission, 1 home · Mayo County Council, 20351

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

Designated sites

• Special Area of Conservation: River Moy SAC 002298

Recorded monuments

No recorded monument lies in the townland of Coolaght.

Architectural heritage

• Linban Bridge, bridge, 1840–1845 · Regional interest
  Description

  Three-arch road bridge over river, built 1842-3[?]; extant 1895. Part ivy-covered walls centred on tooled limestone ashlar triangular cutwaters to piers having pyramidal capping with tooled cut-limestone stringcourses supporting parapets having lichen-covered tooled cut-limestone rounded coping. Series of three segmental arches with tooled limestone ashlar voussoirs. Sited spanning Geestaun River or Pollagh River with unkempt banks to river.

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

At the centre of the townland of Coolaght, about 1 in 10 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 moderately high, moderately low, low. Parts of the land are water.

Terrain model

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

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.

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

Name

Coolaght · Cuallacht

Area

1,820,756 m² (182.08 ha, 449.92 acres)

Civil parish

Kilcolman (Claremorris Ra), and its townlands

Barony

Clanmorris

Electoral division

Murneen, the unit of the census

Census 2022

372 people lived in 149 households in the Murneen electoral division. 91% of households owned their home. 20% of homes were built since 2001. 20% of dwellings stood vacant on census night, and 5% were holiday homes.

Neighbouring townlands

Ballinamore, Ballintaffy, Cuiltybo, Curneen, Tawnaghlahard

Placenames

Coolaght 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.