Williamstown

91 registered freehold parcels lie mostly in Williamstown, from 172 m² to 252,234 m² (25.22 ha, 62.33 acres). The dashed line is the townland's boundary. 31 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 Williamstown 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.

• 18 Sept 2026N/a

  construction of a underground slurry tank 38m long, 5m wide and 2.4m deep and all associated site works

  Permission · Carlow County Council, 2660288

• 14 Sept 2026N/a

  Construction of a underground slurry tank and associated concrete apron.

  Permission · Carlow County Council, 2660282

• 25 Jul 2026N/a

  construction of an overground permastore slurry storage tank 24.7m in diameter and 4.6m in height and associated site works

  Permission · Carlow County Council, 2660232

• 16 Sept 2025Conditional

  1) To remove the existing dormer roof from the existing house and construct two storey section over the existing footprint while leaving in place the existing roof over the old cottage section which is on the right hand side when viewed from the public road. 2) To construct a single storey plus two storey extension to the rear. 3) To demolish the existing steel shed to the rear with a floor area of 50.68 sq.m. 4) To upgrade the existing entrance to the requirements of the Roads Department of Carlow County Council. 5) To decommission and remove the existing septic tank and replace it with a secondary effluent system with a soil polishing filter. 6) Construct a domestic type garage to the right hand side of the site as viewed from the public road. 7) All ancillary groundworks associated with the above. The existing house has a ground floor area of 95.67 sq.m and a first floor area of 68.64 sq.m. The proposed works will add a further 98.90 sq.m to the ground floor and a further 130.02 sq.m to the first floor.

  Permission, 2 homes · Carlow County Council, 2560283

• 4 Sept 2025N/a

  to construct the following: 1) Remove the existing dormer roof from the existing house and construct two storey section over the existing footprint while leaving in place the existing roof over the old cottage section which is on the right hand side when viewed from the public road. 2) Construct a single storey plus two storey extension to the rear. 3) Remove the existing steel shed to the rear. 4) Upgrade the existing entrance to the requirements of the Roads Department of Carlow County Council. 5) Decommission and remove the existing septic tank and replace it with a secondary effluent system with a soil polishing filter. 6) Construct a domestic type garage to the right hand side of the site as viewed from the public road. 7) All ancillary groundworks associated with the above. The existing house has a ground floor area of 95.67 sq.m and a first floor area of 68.64 sq.m. The proposed works will add a further 98.90 sq.m to the ground floor and a further 130.02 sq.m to the first floor.

  Permission · Carlow County Council, 2560267

• 9 Apr 2024Conditional

  construction of a slatted cubicle shed, a dairy washings tank, an overground proprietary slurry tank, two walled silage pits with concrete aprons, a milk silo and associated site works

  Permission · Carlow County Council, 2460084

• 4 Apr 2024N/a

  the construction of a slatted cubicle shed, a dairy washings tank, an overground proprietary slurry tank, two walled silage pits with concrete aprons, a milk silo and associated site works

  Permission · Carlow County Council, 2460081

• 6 Jun 2023Conditional

  to construct a slatted cattle shed and all associated site works

  Permission · Carlow County Council, 2394

• 13 Oct 2022Conditional

  the demolition of existing derelict dwelling house and existing buildings, modification to existing entrance and the construction of 4-bedroom dwelling house, new wastewater treatment system with percolation area together with all associated landscaping and external site works

  Permission, 1 home · Carlow County Council, 22351

• 17 Aug 2020Conditional

  to construct a new milking parlour and dairy holding yard, concrete aprons and all associated works to existing farmyard area

  Permission, 1 home · Carlow County Council, 20287

• 2 Mar 2020Conditional

  to construct an agricultural storage shed and all associated site works

  Permission · Carlow County Council, 2070

• 23 Feb 2018Conditional

  A two storey dwelling, garage, carport, site entrance, well, septic tank, percolation area, landscaping and all associated site works.

  Permission, 1 home · Carlow County Council, 1856

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: Slaney River Valley SAC 000781

Recorded monuments

• CW004-021 Earthwork
  Description

  The following description is derived from the published 'Archaeological Inventory of County Carlow' (Dublin: Stationery Office, 1993). In certain instances the entries have been revised and updated in the light of recent research. Date of upload/revision: 17 July 2007 Shown on 1908 'OS 6-inch' map as small circular enclosure (max. diam. c. 40m). Now visible as low circular platform (max. diam. c. 25m; H 0.6m), with traces of possible external fosse visible at W. Central part has slightly domed profile. On slightly raised ground in otherwise low-lying ill-drained area. Possibly a ringfort.

• CW004-030 Enclosure
  Description

  The following description is derived from the published 'Archaeological Inventory of County Carlow' (Dublin: Stationery Office, 1993). In certain instances the entries have been revised and updated in the light of recent research. Date of upload/revision: 17 July 2007 Shown on 1908 'OS 6-inch' map as circular area defined by penannular bank, with opening at S (max. diam. c. 45m). No visible surface traces. Possibly a ringfort.

• CW004-031 Standing stone
  Description

  The following description is derived from the published 'Archaeological Inventory of County Carlow' (Dublin: Stationery Office, 1993). In certain instances the entries have been revised and updated in the light of recent research. Date of upload/revision: 17 July 2007 Pillar stone of granite (H 2.1m; 1.4m x 0.8m) with six grooves. Aligned NNE-SSW. (JRSAI 1939, 105, 108, 109).

• CW004-032 Enclosure
  Description

  The following description is derived from the published 'Archaeological Inventory of County Carlow' (Dublin: Stationery Office, 1993). In certain instances the entries have been revised and updated in the light of recent research. Date of upload/revision: 17 July 2007 Shown on 1908 'OS 6-inch' map as circular enclosure defined by bank, (max. diam. c. 55m). Slight dip, probably former interior, is visible. Possibly a ringfort.

• CW004-033 Ringfort - rath
  Description

  The following description is derived from the published 'Archaeological Inventory of County Carlow' (Dublin: Stationery Office, 1993). In certain instances the entries have been revised and updated in the light of recent research. Date of upload/revision: 17 July 2007 Circular area (diam. c. 30m) surrounded by large earthen bank and deep fosse. Entrance possibly at W where fosse is shallow. Traces of foundation of hut adjacent to bank at NW.

• CW004-049 Enclosure
  Description

  The following description is derived from the published 'Archaeological Inventory of County Carlow' (Dublin: Stationery Office, 1993). In certain instances the entries have been revised and updated in the light of recent research. Date of upload/revision: 17 July 2007 Aerial photograph (GSI S 239) shows circular area surrounded by cropmark of bank and fosse (est max. diam. c. 40m). No visible surface traces. Possibly a ringfort.

• CW004-050 Castle - unclassified
  Description

  The following description is derived from the published 'Archaeological Inventory of County Carlow' (Dublin: Stationery Office, 1993). In certain instances the entries have been revised and updated in the light of recent research. Date of upload/revision: 17 July 2007 Castle marked here on Down Survey (1655-6) map. Wall footing (L c. 10m) visible in mound of debris.

• CW004-054 Fulacht fia
  Description

  The following description is derived from the published 'Archaeological Inventory of County Carlow' (Dublin: Stationery Office, 1993). In certain instances the entries have been revised and updated in the light of recent research. Date of upload/revision: 17 July 2007 Grass-covered low crescent-shaped mound (diam. 8m; H 0.2m) noted in wet, low-lying rushy area. Other low mounds noted nearby.

Architectural heritage

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

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 Williamstown, about 1 in 5 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, partly inferred.

Terrain model

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

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 Williamstown with five sales or more. The sales of the area are on the page of Co. Carlow.

Name

Williamstown · Baile Liam

Area

4,508,929 m² (450.89 ha, 1,114.18 acres)

Civil parish

Rathvilly, and its townlands

Barony

Rathvilly

Electoral division

Williamstown, the unit of the census

Census 2022

327 people lived in 112 households in the Williamstown electoral division. 84% of households owned their home. 27% of homes were built since 2001. 11% of dwellings stood vacant on census night, and 4% were holiday homes.

Neighbouring townlands

Coole, Coolmanagh Lower, Haroldstown, Knockevagh, Knocklishen More, Lisnevagh, Moanavoth, Raheen

Placenames

Williamstown 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.