# Derrakillew, Co. Mayo: townland, land parcels and planning Townland in the civil parish of Aghagower, barony of Murrisk, Co. Mayo; in Irish Doire Choilleadh. - Area (Tailte Éireann): 2,280,990 m² (228.1 ha, 563.64 acres) - Land parcels (Tailte Éireann): 46 registered freehold parcels lie mostly in it, median 5,934 m² (0.59 ha, 1.47 acres) - Zoning (national zoning, MyPlan): not in a zoned settlement - Planning (National Planning Applications): 2 applications since 2010 - Civil parish: Aghagower, https://everytownland.com/mayo/parish/aghagower.md - Barony: Murrisk - Electoral division: Slievemahanagh, the unit of the census - Census 2022 (Central Statistics Office): Slievemahanagh electoral division: 525 people in 168 households; 88% of households own their home; 41% of homes were built since 2001; 10% of dwellings stood vacant on census night, and 7% were holiday homes. - County: Co. Mayo, https://everytownland.com/mayo.md - Placenames Database of Ireland: https://www.logainm.ie/en/37524 - Townland number at Tailte Éireann: 151361 - Centre: latitude 53.703594, longitude -9.580127 (WGS 84) ## Land parcels (registered freehold land, Tailte Éireann) 46 registered freehold parcels lie mostly in Derrakillew, from 109 m² to 587,598 m² (58.76 ha, 145.2 acres); 15 neighbouring parcels touch its boundary. Largest first: - Parcel 980150: 587,598 m² (58.76 ha, 145.2 acres), https://everytownland.com/parcel/980150.md - Parcel 890773: 269,714 m² (26.97 ha, 66.65 acres), https://everytownland.com/parcel/890773.md - Parcel 985934: 215,114 m² (21.51 ha, 53.16 acres), https://everytownland.com/parcel/985934.md - Parcel 992907: 212,778 m² (21.28 ha, 52.58 acres), https://everytownland.com/parcel/992907.md - Parcel 981191: 212,383 m² (21.24 ha, 52.48 acres), https://everytownland.com/parcel/981191.md - Parcel 874060: 145,218 m² (14.52 ha, 35.88 acres), https://everytownland.com/parcel/874060.md - Parcel 4658065: 104,982 m² (10.5 ha, 25.94 acres), https://everytownland.com/parcel/4658065.md - Parcel 4658241: 104,672 m² (10.47 ha, 25.87 acres), https://everytownland.com/parcel/4658241.md - Parcel 1003146: 81,404 m² (8.14 ha, 20.12 acres), https://everytownland.com/parcel/1003146.md - Parcel 4658093: 64,867 m² (6.49 ha, 16.03 acres), https://everytownland.com/parcel/4658093.md - Parcel 912789: 38,823 m² (3.88 ha, 9.59 acres), https://everytownland.com/parcel/912789.md - Parcel 1002503: 32,882 m² (3.29 ha, 8.13 acres), https://everytownland.com/parcel/1002503.md - Parcel 955889: 29,777 m² (2.98 ha, 7.36 acres), https://everytownland.com/parcel/955889.md - Parcel 1012716: 22,924 m² (2.29 ha, 5.66 acres), https://everytownland.com/parcel/1012716.md - Parcel 993532: 17,340 m² (1.73 ha, 4.28 acres), https://everytownland.com/parcel/993532.md - Parcel 894387: 15,484 m² (1.55 ha, 3.83 acres), https://everytownland.com/parcel/894387.md - Parcel 4658074: 15,318 m² (1.53 ha, 3.79 acres), https://everytownland.com/parcel/4658074.md - Parcel 955888: 12,848 m² (1.28 ha, 3.17 acres), https://everytownland.com/parcel/955888.md - Parcel 4658231: 11,516 m² (1.15 ha, 2.85 acres), https://everytownland.com/parcel/4658231.md - Parcel 916822: 7,889 m² (0.79 ha, 1.95 acres), https://everytownland.com/parcel/916822.md - Parcel 4647010: 7,878 m² (0.79 ha, 1.95 acres), https://everytownland.com/parcel/4647010.md - Parcel 956036: 6,623 m² (0.66 ha, 1.64 acres), https://everytownland.com/parcel/956036.md - Parcel 1009321: 6,542 m² (0.65 ha, 1.62 acres), https://everytownland.com/parcel/1009321.md - Parcel 4647039: 5,326 m² (0.53 ha, 1.32 acres), https://everytownland.com/parcel/4647039.md - Parcel 916821: 4,890 m² (0.49 ha, 1.21 acres), https://everytownland.com/parcel/916821.md - Parcel 1007161: 4,450 m² (0.44 ha, 1.1 acres), https://everytownland.com/parcel/1007161.md - Parcel 1007748: 4,344 m² (0.43 ha, 1.07 acres), https://everytownland.com/parcel/1007748.md - Parcel 986021: 3,714 m² (0.37 ha, 0.92 acres), https://everytownland.com/parcel/986021.md - Parcel 1006431: 3,542 m² (0.35 ha, 0.88 acres), https://everytownland.com/parcel/1006431.md - Parcel 878509: 3,496 m² (0.35 ha, 0.86 acres), https://everytownland.com/parcel/878509.md - Parcel 911017: 3,399 m² (0.34 ha, 0.84 acres), https://everytownland.com/parcel/911017.md - Parcel 4646994: 3,328 m² (0.33 ha, 0.82 acres), https://everytownland.com/parcel/4646994.md - Parcel 4658219: 3,098 m² (0.31 ha, 0.77 acres), https://everytownland.com/parcel/4658219.md - Parcel 981571: 2,966 m² (0.3 ha, 0.73 acres), https://everytownland.com/parcel/981571.md - Parcel 986220: 2,844 m² (0.28 ha, 0.7 acres), https://everytownland.com/parcel/986220.md - Parcel 877353: 2,648 m² (0.26 ha, 0.65 acres), https://everytownland.com/parcel/877353.md - Parcel 895380: 2,115 m² (0.21 ha, 0.52 acres), https://everytownland.com/parcel/895380.md - Parcel 974098: 1,966 m², https://everytownland.com/parcel/974098.md - Parcel 907225: 1,880 m², https://everytownland.com/parcel/907225.md - Parcel 2876320: 1,409 m², https://everytownland.com/parcel/2876320.md - Parcel 871926: 620 m², https://everytownland.com/parcel/871926.md - Parcel 893844: 316 m², https://everytownland.com/parcel/893844.md - Parcel 4647038: 237 m², https://everytownland.com/parcel/4647038.md - Parcel 4647041: 225 m², https://everytownland.com/parcel/4647041.md - Parcel 875499: 222 m², https://everytownland.com/parcel/875499.md - Parcel 2876400: 109 m², https://everytownland.com/parcel/2876400.md ## Zoning (national zoning of development plans, MyPlan) No zone of a development plan covers Derrakillew 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) 2 applications, newest first. - 9 Jun 2026, Mayo County Council 26128: N/a. Permission. permission to construct a dwelling house, proprietary effluent treatment system and associated percolation are including all ancillary site works and services. File: https://www.eplanning.ie/MayoCC/AppFileRefDetails/26128/0 - 13 Oct 2025, Mayo County Council 2560716: Conditional. Permission, 1 home. Construction of a private dwelling house, domestic garage and effluent treatment system together with all ancillary site works.. File: https://www.eplanning.ie/MayoCC/AppFileRefDetails/2560716/0 Applicants are not shown. ## Designated sites (National Parks and Wildlife Service) - Special Area of Conservation: Mweelrea/Sheeffry/Erriff Complex SAC, site code 001932, https://www.npws.ie/protected-sites/sac/001932 - Proposed Natural Heritage Area: Mweelrea/Sheeffry/Erriff Complex, site code 001932 ## Recorded monuments (Sites and Monuments Record, National Monuments Service) No recorded monument lies in the townland of Derrakillew. ## Architectural heritage (National Inventory of Architectural Heritage) No building of the National Inventory of Architectural Heritage stands in the townland of Derrakillew. ## 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 moderately high, moderately low, low, low (inferred), on the 1:50,000 map; parts are water. - Terrain model: no LiDAR survey of the Office of Public Works covers the centre of the townland of Derrakillew. - 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/mayo/derrakillew.dxf - GeoJSON, in WGS 84, for a map: https://everytownland.com/mayo/derrakillew.geojson - KML, for Google Earth: https://everytownland.com/mayo/derrakillew.kml ## Homes sold (Residential Property Price Register) No address of the register names Derrakillew with five sales or more. The sales of the area are on the page of Co. Mayo: https://everytownland.com/mayo.md ## Neighbouring townlands (National Statutory Boundaries, Tailte Éireann) - Carrowkennedy: https://everytownland.com/mayo/carrowkennedy.md - Carrowrevagh: https://everytownland.com/mayo/carrowrevagh.md - Derryaun: https://everytownland.com/mayo/derryaun.md - Derryherbert: https://everytownland.com/mayo/derryherbert.md - Letterbrock: https://everytownland.com/mayo/letterbrock.md - Oughty: https://everytownland.com/mayo/oughty.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/mayo/derrakillew - In JSON: https://everytownland.com/api/townland/mayo/derrakillew