Roslaher

3 registered freehold parcels lie mostly in Roslaher, from 1,608 m² to 166,918 m² (16.69 ha, 41.25 acres). The dashed line is the townland's boundary; 2 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 Roslaher 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.

• 28 Oct 2025Conditional

  Demolition and removal of existing dwelling house and construction of replacement family dwelling house with associated and ancillary landscaping and site works

  Permission · Mayo County Council, 2560757

• 14 Mar 2019Conditional

  DEMOLISH EXISTING BUILDINGS AND CONSTRUCT NEW BUILDINGS ON THE ORIGINAL FOOTPRINT, COMPRISING OF OFFICES, STAFF FACILITIES, PRESENTATION ROOMS AND STORAGE ROOMS, TOGETHER WITH A SEPTIC TANK AND PERCOLATION AREA AND ALL ASSOCIATED SITE WORKS

  Permission · Mayo County Council, 19175

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: Clew Bay Complex SAC 001482
• Proposed Natural Heritage Area: Clew Bay Complex 001482

Recorded monuments

No recorded monument lies in the townland of Roslaher.

Architectural heritage

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

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 moderately low, low, on the 1:50,000 map.

Terrain model

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

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 Roslaher with five sales or more. The sales of the area are on the page of Co. Mayo.

Name

Roslaher · Ros Láthair

Area

214,879 m² (21.49 ha, 53.1 acres)

Civil parish

Kilmeena, and its townlands

Barony

Burrishoole

Electoral division

Derryloughan, the unit of the census

Census 2022

Derryloughan electoral division: 771 people in 280 households; 84% of households own their home; 37% of homes were built since 2001; 7% of dwellings stood vacant on census night, and 12% were holiday homes.

Neighbouring townlands

Rosbeg, Rosdooaun

Placenames

Roslaher 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.