Derrynashallog

49 registered freehold parcels lie mostly in Derrynashallog, from 41 m² to 68,085 m² (6.81 ha, 16.82 acres). The dashed line is the townland's boundary; 25 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 Derrynashallog 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.

• 16 Jul 2025Conditional

  permission for the development will consist of: 1. The construction of an extension to the rear of the property which interlinks with the garage at the side of the house; 1. Window and external door alterations to the elevations to the main house at the sides and rear; 2. The conversion of the ground floor of the garage to elderly independent living accommodation and the construction of an extension to the side of the garage at ground floor level as part of such accommodation; 3. Window and external door alterations to the garage as part of the conversion; 4. New door to the first floor of the garage with external access staircase to the rear of the garage; 5. All associated drainage and site works. Significant further information received relates to submitted proposed drawings

  Permission · Monaghan County Council, 2560278

• 8 Apr 2021Conditional

  permission for a new dwelling house, effluent treatment plant and percolation area, domestic garage, new domestic entrance onto public road and all associated site works. Significant further information received 13/10/2021.

  Permission, 1 home · Monaghan County Council, 21176

• 6 Apr 2021Conditional

  Permission to construct a two-storey dwelling house, an associated mechanical waste water treatment system and percolation area, new site entrance, boundaries, landscaping, hardstanding's and all associated site works

  Permission, 1 home · Monaghan County Council, 21166

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 Derrynashallog.

Recorded monuments

• MO006-002 House - 17th century
  Description

  Situated on the E-facing slope of the spine of a NE-SW drumlin ridge. Oliver Anketill, a grandson of Christopher Anketill, of Shaftsbury, Dorsetshire, came to Ireland in the middle of the seventeenth century and began to acquire land in north Monaghan, probably through direct purchase or the purchase of the interests of Undertakers and soldiers. He died in 1666 and his memorial (MO009-060011-) is in Monaghan town. In 1667 3300 acres in seventy townlands in the barony of Errigal Trough were confirmed to his son, Mathew. Derrynashallog, which had been owned by a Gareth Rooney in 1640 became the centre of the estate known as Anketill’s Grave (Grove). Mathew died in 1688 and his memorial (MO007-014006-) is in Glaslough but his son Oliver, who was sheriff of Monaghan in 1710 and an MP for Monaghan town in 1759-60, is thought have built a house at Derrynashallog. Oliver died in 1760, and the house was pulled down in 1781 by his grandson Mathew when the family moved to a new Anketell Grove, in Gortmoney c. 1.5km to the S. (Shirley 1879, 154-60) Taylor and Skinners’ map (1778) of the roads of Ireland (Andrews 1969, 267) depicts Anketill Grove as a ruin at Derrynashallog, although McCrea’s map of the Barony of Trough (1793) shows it as a roofed house. The 1834 edition of the OS 6-inch map does not indicate the location of the house, but it does portray a designed landscape at Derrynashallog with an avenue rising up the slope from the NE and the direction of Emy Lough. A geophysical survey (08R0058) of the area, known locally as the castle field, which was research carried out by Dr. Siobhán McDermott as part of a PhD thesis in NUI Galway, revealed a T-plan 17th century house (dims 22m NW-SE; 14m NE-SW) within a rectangular enclosure (dims 29m NW-SE; 22m NE-SW) at the SW end of the avenue. The house signals were weak, suggesting that the house might have been constructed of wood, and a number of pits in the interior are likely to be cellars which were back-filled in the twentieth century. 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

• Bridge, 1815–1825 · Regional interest
  Description

  Triple-arch masonry road bridge, built c.1820, carrying road over unnamed stream. Segmental arches with tooled limestone voussoirs and gunnelled soffits. V-shaped tooled limestone cut-waters with rounded caps, having tooled limestone plat-bands at impost level and matching square-profile piers to banks. Coursed squared limestone spandrel and parapet walls, parapets terminating in square-plan piers with cut limestone capping.

• House, 1845–1855 · Regional interest
  Description

  Detached five-bay single-storey house, built c.1850, having shallow three-bay breakfront to front (north-east) elevation and central return to rear. Hipped slate roof with red brick chimneystacks and clay chimneypots, terracotta ridge tiles and decorative ridge cresting. Projecting stone eaves supports, carved stone and timber eaves course and replacement rainwater goods. Coursed roughly squared sandstone and limestone walls with tooled squared sandstone block-and-start quoins. Gauged-brick square-headed window openings throughout, having red brick surrounds, tooled limestone sills and replacement six-over-six pane timber sliding sash windows. Eight-over-eight pane timber sliding sash windows to rear. Gauged brick square-headed door opening to front with red brick surround and timber panelled door. Gauged brick square-headed door opening to south-east elevation of return having red-brick surround and timber battened door, opening onto stone platform with chamfered limestone surround.

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 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 Derrynashallog.

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

Name

Derrynashallog · Doire na Sealga

Area

689,779 m² (68.98 ha, 170.45 acres)

Civil parish

Donagh, and its townlands

Barony

Trough

Electoral division

Anketell Grove, the unit of the census

Census 2022

Anketell Grove electoral division: 1,278 people in 400 households; 86% of households own 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, Cornacreeve, Derryhee, Drummully, Inishdevlin, Tonycoogan

Placenames

Derrynashallog 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.