Derrygirraun

112 registered freehold parcels lie mostly in Derrygirraun, from 186 m² to 123,203 m² (12.32 ha, 30.44 acres). The dashed line is the townland's boundary; 37 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 Derrygirraun 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.

• 31 Jul 2026N/a

  Permission for development which will consist of: (a) removal of the existing roof from the bungalow, construction of a new floor deck, and construction of a new first floor to form a 1.5 storey section of the existing dwelling; (b) construction of a single-storey extension, together with a front porch and new front door (with altered orientation); (c) construction of a carport canopy to the rear, (d) construction of a domestic garage/fuel store, (e) construction of a new site entrance, with the existing site entrance to be removed, together with all associated site works at

  Permission · Roscommon County Council, 2660393

Source: National Planning Applications, Department of Housing, Local Government and Heritage, CC BY 4.0. Applicants are not shown.

Designated sites

No designated site (Special Area of Conservation, Special Protection Area, Natural Heritage Area or proposed one) touches the townland of Derrygirraun.

Recorded monuments

• RO004-045 Ringfort - rath
  Description

  At the crest of the W-facing slope of a drumlin. Circular grass-covered area (diam. 23m E-W; 21.5m N-S) defined by an overgrown earthen bank (at N: Wth 2m; int. H 0.2m; ext. H 0.9m; generally: Wth 3-4m; int. H 0.1-0.4m; ext. H 0.95m) which is reduced to a scarp SSW-WSW, and an outer fosse (Wth of top 3-3.5m; Wth of base 1.25-2m; D 0.2-0.5m) NE-NW. There is no recognisable entrance. Compiled by: Michael Moore Date of upload: 24 August 2010

• RO004-046 Ringfort - rath
  Description

  Marked as a circular enclosure (diam. c. 25-30m) on the 1837 ed. of the OS 6-inch map, and as a fragment of an enclosure on the 1914 ed. Situated on a shelf towards the bottom of the SE-facing slope of a drumlin. D-shaped grass and scrub-covered area (dims 15m N-S; 11.5m E-W) which remains unplanted in a coniferous forest defined by a scarp (H 0.2-0.4m) S-W-N but the perimeter is cut by a quarry scarp (H 2m) at E. Cashel (RO004-047----) is c. 190m to the NNE. Compiled by: Michael Moore Date of upload: 24 August 2010

• RO004-047 Ringfort - cashel
  Description

  Marked as an antiquity only on the 1914 ed. of the OS 6-inch map where it is described in gothic lettering as a 'Cashel', and situated on a slight ridge towards the bottom of the E-facing slope of a drumlin. Circular area (diam. c. 32m) which is used as a garden defined by a scarp (H 0.4m) E-S, a drystone wall S-NW, a masonry wall NW-N and farm buildings N-E. Rath (RO004-046----) is c. 190m to the SSW. Compiled by: Michael Moore Date of upload: 24 August 2010

• RO004-066 Crannog
  Description

  Situated c. 45m from the S shore of Drumcunny Lough (dims. c. 250m E-W; c. 180m N-S). Circular overgrown island (diam. 10m; H 0.2-0.4m) composed of earth and stone. There is no evidence of timbers or of artificial construction. Compiled by: Michael Moore Date of upload: 24 August 2010

Architectural heritage

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

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 high, 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 Derrygirraun.

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.

• Derrygirraun, Cootehall5 sales

Name

Derrygirraun

Area

1,596,948 m² (159.69 ha, 394.61 acres)

Civil parish

Ardcarn, and its townlands

Barony

Boyle

Electoral division

Tumna South, the unit of the census

Census 2022

Tumna South electoral division: 207 people in 89 households; 84% of households own their home; 28% of homes were built since 2001; 15% of dwellings stood vacant on census night, and 16% were holiday homes.

Neighbouring townlands

Ballyformoyle, Breanletter, Cloongreaghan, Doogary, Drumbrick, Drumsillagh, Glooria

Placenames

Derrygirraun 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.