Ardcost

97 registered freehold parcels lie mostly in Ardcost, from 277 m² to 215,479 m² (21.55 ha, 53.25 acres). The dashed line is the townland's boundary; 9 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 Ardcost 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.

• 5 Nov 2025Refused

  Retention Permission to Retain Change of Use of Domestic Garage to Apartment at Ardcost, Portmagee, Co. Kerry

  Retention · Kerry County Council, 2561026

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: Valencia Harbour/Portmagee Channel SAC 002262

Recorded monuments

• KE079-082 Children's burial ground
  Description

  This site, not marked on the OS maps, is known locally as a ceallúnach and is located in a sloping field over-looking the Portmagee Channel. It consists of a stony area of approximately rectangular plan, measuring 10.8m N-S x 8.7m E-W, and is raised an average of .4m above surrounding ground level. A row of five large blocks occurs close to its W edge. The surface of the interior is uneven and features about eighty small boulders and upright slabs, some of which are quartz. The above description is derived from O'Sullivan, A. and Sheehan, J. (compilers) 'The Iveragh peninsula: an archaeological survey of South Kerry'. Cork University press. (1996), no. 976. In certain instances the entries have been revised and updated in the light of recent research. Date of upload: 18 June 2013

• KE079-083 Souterrain
  Description

  Not marked on the OS maps, a souterrain was discovered at this location in the 1950s in low-lying land on the W side of the Derreen river estuary, c. 100m SW of Ardcost Foot. It was subsequently filled in. All that is now apparent at this location is a low, L-shaped bank, measuring 8.5m N-S and 7.5m E-W, which incorporates a number of boulders. It is 3m wide and rises .8m above surrounding ground level. The site is known locally as an óin. The above description is derived from A. O'Sullivan and J. Sheehan (compilers), 'The Iveragh peninsula: an archaeological survey of South Kerry'. Cork University Press (1996), no. 844. In certain instances the entries have been revised and updated in the light of recent research. Date of upload: 29 July 2013

Architectural heritage

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

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 20 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 Ardcost.

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 Ardcost with five sales or more. The sales of the area are on the page of Co. Kerry.

Name

Ardcost

Area

3,885,085 m² (388.51 ha, 960.03 acres)

Civil parish

Killemlagh, and its townlands

Barony

Iveragh

Electoral division

Teeranearagh, the unit of the census

Census 2022

Teeranearagh electoral division: 297 people in 128 households; 94% of households own their home; 29% of homes were built since 2001; 17% of dwellings stood vacant on census night, and 19% were holiday homes.

Neighbouring townlands

Derreen, Emlaghpeastia, Killoluaig

Placenames

Ardcost 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.