# Mountwilson, Co. Offaly: townland, land parcels and planning Townland in the civil parish of Ballymacwilliam, barony of Warrenstown, Co. Offaly; in Irish Moin Mhic Liam. - Area (Tailte Éireann): 1,677,658 m² (167.77 ha, 414.56 acres) - Land parcels (Tailte Éireann): 6 registered freehold parcels lie mostly in it, median 5,023 m² (0.5 ha, 1.24 acres) - Zoning (national zoning, MyPlan): not in a zoned settlement - Planning (National Planning Applications): 3 applications since 2010 - Civil parish: Ballymacwilliam, https://everytownland.com/offaly/parish/ballymacwilliam.md - Barony: Warrenstown - Electoral division: Ballymacwilliam, the unit of the census - Census 2022 (Central Statistics Office): Ballymacwilliam electoral division: 652 people in 214 households; 94% of households own their home; 39% of homes were built since 2001; 9% of dwellings stood vacant on census night, and 0% were holiday homes. - County: Co. Offaly, https://everytownland.com/offaly.md - Placenames Database of Ireland: https://www.logainm.ie/en/41614 - Townland number at Tailte Éireann: 180967 - Centre: latitude 53.355952, longitude -7.108296 (WGS 84) ## Land parcels (registered freehold land, Tailte Éireann) 6 registered freehold parcels lie mostly in Mountwilson, from 3,126 m² (0.31 ha, 0.77 acres) to 1,331,382 m² (133.14 ha, 328.99 acres); 21 neighbouring parcels touch its boundary. Largest first: - Parcel 309716: 1,331,382 m² (133.14 ha, 328.99 acres), https://everytownland.com/parcel/309716.md - Parcel 3779101: 320,911 m² (32.09 ha, 79.3 acres), https://everytownland.com/parcel/3779101.md - Parcel 273018: 5,108 m² (0.51 ha, 1.26 acres), https://everytownland.com/parcel/273018.md - Parcel 273019: 4,939 m² (0.49 ha, 1.22 acres), https://everytownland.com/parcel/273019.md - Parcel 5978404: 3,824 m² (0.38 ha, 0.95 acres), https://everytownland.com/parcel/5978404.md - Parcel 3779218: 3,126 m² (0.31 ha, 0.77 acres), https://everytownland.com/parcel/3779218.md ## Zoning (national zoning of development plans, MyPlan) No zone of a development plan covers Mountwilson in the national zoning. Outside zoned towns and villages, the county development plan's rural policies apply to each application. ## Planning applications whose site touches the townland (National Planning Applications, Department of Housing, Local Government and Heritage) 3 applications, newest first. - 10 Jul 2026, Offaly County Council 2660367: Conditional. Permission, 1 home. A. A storey and a half extension to the rear of the existing single-storey dwelling. B. A proposed new on-site effluent treatment system and percolation area. C. Upgrade of the existing vehicular entrance to include new piers, flanking walls and new gates. D. Demolition of the roadside structure (shed). E. All associated site development works. File: https://www.eplanning.ie/OffalyCC/AppFileRefDetails/2660367/0 - 7 Jul 2026, Offaly County Council 2660357: N/a. Permission. A. A storey and a half extension to the rear of the existing single-storey dwelling. B. A proposed new on-site effluent treatment system and percolation area. C. Upgrade of the existing vehicular entrance to include new piers, flanking walls and new gates. D. Demolition of the roadside structure (shed). E. All associated site development works. File: https://www.eplanning.ie/OffalyCC/AppFileRefDetails/2660357/0 - 9 Jul 2019, Offaly County Council 19331: Conditional. Retention, 4 homes. A SINGLE STOREY EXTENSION AND ALTERATIONS TO THE REAR OF THE EXISTING SINGLE STOREY DWELLING HOUSE, AND THE RETENTION OF THREE SINGLE DOMESTIC STORAGE SHEDS TO THE REAR AND SIDE OF THE DWELLING HOUSE, ALL WITH ASSOCIATED SITE WORKS AND LANDSCAPING. File: https://www.eplanning.ie/OffalyCC/AppFileRefDetails/19331/0 Applicants are not shown. ## Designated sites (National Parks and Wildlife Service) - Natural Heritage Area: Black Castle Bog NHA, site code 000570, https://www.npws.ie/protected-sites/nha/000570 ## Recorded monuments (Sites and Monuments Record, National Monuments Service) - OF011-007: Burial mound, https://heritagedata.maps.arcgis.com/apps/webappviewer/index.html?id=0c9eb9575b544081b0d296436d8f60f8&query=18a4b61b268-layer-9%2CSMRS%2COF011-007----. Mound partially destroyed and investigated in 1880's (U.J.A. 1853 276-8), said to be c. 2m H and c. 27m in diam, apparently the W half was removed at this time. Contained parallel graves orientated E-W and at least 40 skeletons removed and reburied elsewhere. Mound now 18.6m max. diam; H c. 2m. The above description is derived from the published 'Archaeological Inventory of County Offaly' (Dublin: Stationery Office, 1997). In certain instances the entries have been revised and updated in the light of recent research. Date of upload: 23 May 2011 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). ## Architectural heritage (National Inventory of Architectural Heritage) No building of the National Inventory of Architectural Heritage stands in the townland of Mountwilson. ## Ground and risks (Radon Risk Map of Ireland, EPA; Landslide Susceptibility Classification and LiDAR, Geological Survey Ireland) - Radon: About 1 in 10 homes in this area is likely to have high radon levels. Testing a home: https://www.epa.ie/environment-and-you/radon/radon-testing/#d.en.82887 - Landslides: Susceptibility low, on the 1:50,000 map. - Terrain model: LiDAR of the Office of Public Works, flown in 2011, at 2 m: tile OPW_2239, https://gsi.geodata.gov.ie/downloads/LiDAR/OPW_NASC/OPW_2239.zip (ZIP). - Flooding: the flood maps of the Office of Public Works, https://www.floodinfo.ie/map/floodmaps/, linked only: their licence does not allow re-use. 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. ## Downloads - DXF, in Irish Transverse Mercator metres, with its boundary, parcels and buildings, for a drawing program: https://everytownland.com/offaly/mountwilson.dxf - GeoJSON, in WGS 84, for a map: https://everytownland.com/offaly/mountwilson.geojson - KML, for Google Earth: https://everytownland.com/offaly/mountwilson.kml ## Homes sold (Residential Property Price Register) No address of the register names Mountwilson with five sales or more. The sales of the area are on the page of Co. Offaly: https://everytownland.com/offaly.md ## Neighbouring townlands (National Statutory Boundaries, Tailte Éireann) - Ballymacwilliam: https://everytownland.com/offaly/ballymacwilliam.md - Clonmore: https://everytownland.com/offaly/clonmore-180420.md - Jonestown: https://everytownland.com/offaly/jonestown.md - Lenamarran: https://everytownland.com/offaly/lenamarran.md - Thornwell: https://everytownland.com/offaly/thornwell.md 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. --- Everytownland reads the registered freehold land and the statutory boundaries of Tailte Éireann, the national zoning, planning file and heritage records of the Department of Housing, Local Government and Heritage, and the Residential Property Price Register. A parcel is the land of a title, not an address. The owner's name is in the Land Registry of Tailte Éireann: a copy of the folio can be ordered on landdirect.ie, for a fee; this site names no owner. A price is the price recorded for a past sale, not a valuation. Sources: Cadastral Parcels Freehold, Townlands, Civil Parishes, Baronies, Electoral Divisions and Buildings, Tailte Éireann, CC BY 4.0; national zoning of development plans (GZT, MyPlan) and National Planning Applications, Department of Housing, Local Government and Heritage, CC BY 4.0, applicants not shown; designated sites, National Parks and Wildlife Service, CC BY 4.0; Sites and Monuments Record, National Monuments Service, CC BY 4.0; National Inventory of Architectural Heritage, CC BY 4.0; Residential Property Price Register, Property Services Regulatory Authority, re-used with the source acknowledged. - Page: https://everytownland.com/offaly/mountwilson - In JSON: https://everytownland.com/api/townland/offaly/mountwilson