Derryhallagh

19 registered freehold parcels lie mostly in Derryhallagh, from 2,023 m² (0.2 ha, 0.5 acres) to 218,117 m² (21.81 ha, 53.9 acres). The dashed line is the townland's boundary. 15 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 Derryhallagh 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.

• 12 Aug 2026N/a

  permission to erect a single storey extension to existing two storey dwelling house, connect to existing septic tank and exit on to public road by exiting entrance and all associated works

  Permission · Monaghan County Council, 2673

• 9 Mar 2022Conditional

  permission to carry out alterations and extend the existing single storey National School (Scoil Naomh Padraig) with works to consist of a single storey extension, connection to existing site services, landscaping & all associated site works. Significant further information received in relation to revision of development description to also include a central activity space, a multi-sensory room, staff offices and ancillary accommodation, replacement and relocation of external hard surface play areas, provision of a sensory garden and play equipment, new signage to school building, connection to existing site services, landscaping and all associated site works.

  Permission · Monaghan County Council, 22102

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 Derryhallagh.

Recorded monuments

• MO006-011 Ringfort - rath
  Description

  Located just off the crest of the SE-facing slope of a NE-SW ridge. It is depicted only on the 1907 edition of the OS 6-inch map as a circular feature (diam. c. 35m) occupying most of a small rectangular field. No archaeological feature is visible at ground level in pasture that slopes down steeply to the E. The above description is derived from the published 'Archaeological Inventory of County Monaghan' (Dublin: Stationery Office, 1986). In certain instances the entries have been revised and updated in the light of recent research. Date of revision: 29 August 2017

Architectural heritage

• Saint Patrick's Catholic Church, church/chapel, 1806–1986 · Regional interest
  Description

  Freestanding stone gable-fronted Roman Catholic Church with Gothic Revival detailing, dated 1811, remodelled c.1900, enlarged c.1980. Consisting of elongated three-bay nave with parallel modern (c.1980) east aisle and linking block (both slightly offset to north). Pitched slate roof, with perforated red clay ridge tiles, stone verges, moulded cast-iron gutters. Sandstone walling with large squared and dressed blocks to corner segments, random uncoursed rubble to exposed sections of east elevation and to base of north gable (with evidence of blocked window to centre); squared-and-snecked to south gable and top of north gable; squared-and-tooled to centre of west elevation with evidence of earlier blocked windows at lower level. North gable has date plaque inscribed 'DEO VIVO ET VERO / H/EC est Domus Domini firmiter aedificata / bene fundata est / supra firmain Petram / The Foundation of this Chapel / was laid by the Rev. Dan. M Mullen / on the 21st of May / 1811'. South gable remodelled c.1900 has gabled bell-cote, stone cross finial, pointed-arch aperture containing bronze bell embossed 'SHERIDAN DUBLIN MAKER… / A. D. 1855 ERECTED BY THE…' Bell-cote supported on three-stage breakfront with gabled first stage entrance with splayed plinth, offset second stage, niched statue of Saint Patrick to third stage. Pointed-arch lancet windows, chamfered sandstone surrounds and splayed sills, flanking south gable breakfront second stage, paired to west elevation and with quatrefoil spandrels and dressed voussoirs to north gable. Quatrefoil to north gable apex. Shouldered varnished vertically sheeted timber double-leaf door, set in pointed-arch edge roll-moulded recess with dressed tympanum, block label-ended hood-moulding. Interior remodelled c.1980, accessed via timber glazed porch under south gable gallery. Gallery supported by painted cast-iron round columns, having balustrade of varnished chevron sheeted pine panels. Stained and varnished king-post truss exposed roof structure supported on moulded timber corbels, with sheeted panelling between principal rafters and purlins. Painted plaster walls, tiled floor, modern free-standing stained and varnished open-backed pews flanking central aisle in nave and aisle in linking block (lit by oculus rooflights). Double-leaf timber doors to either end of linking block. Original splayed stone font removed to north end of modern east aisle. Modern marble freestanding altar and lectern on two-step marble-tiled platform. Situated on elevated site in graveyard with mature trees to north and south, hedgerow to south, modern grotto to south-east; set back from Derry-Dublin Road to south by bitmac car park with modern rubble dwarf walls and set back from earlier (disused) path to west by cast-iron gate hinged to stop-ended chamfered carved stone piers. Attached modern single-pitch east aisle with flat-roofed glazed linking block abutting east elevation, detailed as church with copper flashing. Numerous lugged and eared gravestone from the 1840s to south-west, chest tombs, table tombs with ornate cast-iron railings (from 1860s) immediately to west. Detached to south-west, modern schoolhouse, c.1970. Modern mild steel gates and railings to immediate south (accessing grotto, school, and car park) with foundry mark of 'SMITH & PEARSON LTD DUBLIN'.

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 Derryhallagh, about 1 in 20 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. Parts of the land are water.

Terrain model

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

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 Derryhallagh with five sales or more. The sales of the area are on the page of Co. Monaghan.

Name

Derryhallagh · Doire Shalach

Area

611,488 m² (61.15 ha, 151.1 acres)

Civil parish

Donagh, and its townlands

Barony

Trough

Electoral division

Anketell Grove, the unit of the census

Census 2022

1,278 people lived in 400 households in the Anketell Grove electoral division. 86% of households owned their home. 37% of homes were built since 2001. 6% of dwellings stood vacant on census night, and 1% were holiday homes.

Neighbouring townlands

Carrigans, Corracrin, Dundonagh, Foxhole, Gortmoney, Letgonnelly, Mullaghpeak, Tully

Placenames

Derryhallagh 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.