Letterass

54 registered freehold parcels lie mostly in Letterass, from 121 m² to 4,864,150 m² (486.41 ha, 1,201.96 acres). The dashed line is the townland's boundary. 9 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 Letterass 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.

• 8 Aug 2025Conditional

  retain a two storey double garage and a garden shed, and permission to install a tertiary effluent treatment system

  Permission · Mayo County Council, 25330

• 6 Sept 2018Conditional

  TO CONSTRUCT AN OFFICE BUILDING AND A BOAT STORAGE FACILITY CONNECTING TO AN EXISTING EFFLUENT TREATMENT SYSTEM. TO CONNECT THE SEWERAGE FROM THE EXISTING HOLIDAY ACCOMMODATION TO THE EXISTING EFFLUENT TREATMENT SYSTEM SERVING AASLEAGH LODGE

  Permission · Mayo County Council, 18682

• 20 Dec 2017Refused

  RETAIN AS BUILT RAFT FOUNDATION FOR CAR PARKING ASSOCIATED WITH EXISTING HOUSE AS INCORPORATED INTO LANDSCAPED GROUNDS

  Retention · Mayo County Council, 171025

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: Mweelrea/Sheeffry/Erriff Complex SAC 001932
• Proposed Natural Heritage Area: Mweelrea/Sheeffry/Erriff Complex 001932

Recorded monuments

No recorded monument lies in the townland of Letterass.

Architectural heritage

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

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 Letterass, 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 high, 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 Letterass.

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.

• Letterass, Leenane5 sales

Name

Letterass · Leitir Easa

Area

8,298,934 m² (829.89 ha, 2,050.71 acres)

Civil parish

Aghagower, and its townlands

Barony

Murrisk

Electoral division

Erriff, the unit of the census

Census 2022

112 people lived in 42 households in the Erriff electoral division. 94% of households owned their home. 24% of homes were built since 2001. 15% of dwellings stood vacant on census night, and 25% were holiday homes.

Neighbouring townlands

Derrintin, Glendavock, Lettereeragh, Srahatloe

Placenames

Letterass 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.