Mountashton
Townland in the civil parish of Monkstown, barony of Rathdown, Co. Dublin; in Irish Mountashton
Parcel 5241138
- Area
- 380 m²
- Buildings
- 3 buildings touch it, 107 m² on the ground
- Zoning
- R2 Objective A (COUNTY DEVELOPMENT PLAN 2022-2028) The objective
- Townland
- Mountashton
Planning applications on this parcel
27 Sept 2022Grant permission
Permission is sought for A: Raise flat roof of existing ground floor side
Permission · Dun Laoghaire Rathdown County Council, D22A/0722
27 Mar 2018Grant permission
Permission for widening of existing vehicular entrance and all associated site
Permission · Dun Laoghaire Rathdown County Council, D18A/0258
10 May 2007Grant permission
new two storey side and rear extension of 42.2sqm in dash render, and attic conv
Permission · Dun Laoghaire Rathdown County Council, D07A/0624
28 Feb 2005Grant permission
To (a) Erect single storey extension
Permission · Dun Laoghaire Rathdown County Council, D05B/0123
27 Jul 2004Grant permission
A bedroom extension over existing kitchen.
Permission · Dun Laoghaire Rathdown County Council, D04B/0589
21 Jun 2004Declare invalid (site notice)
A bedroom extension over existing kitchen.
Permission · Dun Laoghaire Rathdown County Council, D04B/0491
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 this parcel.
Recorded monuments around it
No zone of notification of a recorded monument touches this parcel.
Architectural heritage
No building of the National Inventory of Architectural Heritage stands on this parcel.
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).
Ground and risks
- Radon
- About 1 in 20 homes in this area is likely to have high radon levels. Testing a home
- Landslides
- Susceptibility low, on the 1:50,000 map.
- Terrain model
- LiDAR of the Office of Public Works, flown in 2011, at 2 m: tile OPW_3311 (ZIP).
- 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.
Download this parcel: DXF, in Irish Transverse Mercator metres, with its neighbours and buildings, for a drawing program; GeoJSON, in WGS 84, for a map; KML, for Google Earth.
Registered freehold land, Tailte Éireann, CC BY 4.0. A parcel is the land of a title, not an address. The owner's name is in the Land Registry of Tailte Éireann: a copy of the folio can be ordered on landdirect.ie, for a fee.
- Area
- 27.4 ha
- 68 acres
- Land parcels
- 86
- registered freehold, median 345 m²
- Zoning
- R2
- Objective A
- Planning
- 100
- applications since 2010
Land parcels
Registered freehold land, Tailte Éireann
86 registered freehold parcels lie mostly in Mountashton, from 6 m² to 40,183 m² (4.02 ha, 9.93 acres). The dashed line is the townland's boundary; 31 neighbouring parcels touch it.
Download the townland: DXF, in Irish Transverse Mercator metres, with its boundary, parcels and buildings; GeoJSON or KML.
Zoning
Development plans, national zoning
- R2Objective A (Existing residential)
COUNTY DEVELOPMENT PLAN 2022-2028, Dun Laoghaire-Rathdown · 114 parcels The zoning objective in the plan - S5Objective SNI (Mixed/general community services/facilities uses)
COUNTY DEVELOPMENT PLAN 2022-2028, Dun Laoghaire-Rathdown · 2 parcels The zoning objective in the plan - G1Objective F (Open space, park)
COUNTY DEVELOPMENT PLAN 2022-2028, Dun Laoghaire-Rathdown · 1 parcels The zoning objective in the plan - M3Objective NC (District, neighbourhood centre)
COUNTY DEVELOPMENT PLAN 2022-2028, Dun Laoghaire-Rathdown · 0 parcels The zoning objective in the plan - C2.1Objective E (Industrial, enterprise, employment)
COUNTY DEVELOPMENT PLAN 2022-2028, Dun Laoghaire-Rathdown · 0 parcels The zoning objective in the plan
Source: Tailte Éireann and the Department of Housing (MyPlan), national zoning, CC BY 4.0.
Planning applications
Sites that touch the townland, newest first
24 Aug 2026Assessment period
The proposed development shall consist of alterations to previously approved Gra
Permission · Dun Laoghaire Rathdown County Council, D26A/0626/WEB
24 Aug 2026Assessment period
The proposed development shall consist of alterations to previously approved Gra
Permission · Dun Laoghaire Rathdown County Council, D26A/0627/WEB
24 Aug 2026Assessment period
Widening of existing vehicular access and associated works.
Permission · Dun Laoghaire Rathdown County Council, D26A/0625/WEB
25 Jun 2026Grant permission
The development will consist of a single storey rear kitchen extension, conversi
Permission · Dun Laoghaire Rathdown County Council, D26A/0475/WEB
22 May 2026Registered application
73 mobility hub sites across the Council's administrative area
Part vlll (public consultation) · Dun Laoghaire Rathdown County Council, PC/IC/01/26
1 May 2026Grant permission
Permission is sought for the demolition of first floor side structure (approx.
Permission · Dun Laoghaire Rathdown County Council, D26A/0338/WEB
2 Apr 2026Grant certificate of exemption
1 Unit
Certificate of exemption - part v · Dun Laoghaire Rathdown County Council, V/025/26
2 Apr 2026Grant permission
The proposed development shall consist of: Construction of a new three storey de
Permission · Dun Laoghaire Rathdown County Council, D26A/0265/WEB
2 Apr 2026Grant permission
The proposed development shall consist of: Construction of a new two storey deta
Permission · Dun Laoghaire Rathdown County Council, D26A/0264/WEB
2 Apr 2026Grant certificate of exemption
1 Unit
Certificate of exemption - part v · Dun Laoghaire Rathdown County Council, V/026/26
2 Apr 2026Grant permission & grant retention
Retention of detached single storey garden room and permission for rear extensio
Permission for retention · Dun Laoghaire Rathdown County Council, D26A/0262
19 Nov 2025Grant permission
The development will consist of: the increase in width of the existing vehicula
Permission · Dun Laoghaire Rathdown County Council, D25A/0881/WEB
12 Nov 2025Grant permission for retention
single storey extension to rear and previously approved (D22A/0717) dwelling as
Permission for retention · Dun Laoghaire Rathdown County Council, D25B/0633/WEB
16 Jun 2025Grant permission
Works to a single family dwelling house. Including a front single storey extens
Permission · Dun Laoghaire Rathdown County Council, D25A/0476/WEB
7 Apr 2025S5 dec exempt
External insulation to the property 56 Mounttown Road Lower, Mounttown, Glenagea
Section 5 · Dun Laoghaire Rathdown County Council, REF3925
28 Nov 2024Grant permission
Construction of new first floor extension to side and two storey projecting bay
Permission · Dun Laoghaire Rathdown County Council, D24B/0512/WEB
22 Nov 2024Declare application invalid
Construction of new first floor extension to side and two storey projecting bay
Permission · Dun Laoghaire Rathdown County Council, D24B/0507/WEB
19 Nov 2024Declare application invalid
Construction of new first floor extension to side and two storey projecting bay
Permission · Dun Laoghaire Rathdown County Council, D24A/0922/WEB
9 Aug 2024Grant permission & refuse permission
1) 1830mm high timber fence to front of property, 2) 7.2sqm timber shed to front
Permission for retention · Dun Laoghaire Rathdown County Council, D24A/0612/WEB
24 Jul 2024Refuse permission for retention
A timber fence on top of existing side wall and part of existing front wall encl
Permission for retention · Dun Laoghaire Rathdown County Council, D24B/0334/WEB
26 Jun 2024Grant permission
The development will include the removal of existing front bay windows at ground
Permission · Dun Laoghaire Rathdown County Council, D24B/0292/WEB
12 Jun 2024Grant permission
The proposed development will consist of: 1. Demolition of existing single store
Permission · Dun Laoghaire Rathdown County Council, D24B/0272/WEB
9 Jun 2024Grant permission
Attic conversion with dormer to the rear of house and Velux windows to the front
Permission · Dun Laoghaire Rathdown County Council, D24B/0268/WEB
7 Jun 2024Declare application invalid
1. Demolition of existing single storey flat roof garage and shed to the rear an
Permission · Dun Laoghaire Rathdown County Council, D24B/0267/WEB
31 May 2024Grant permission
Widening of vehicular access and construction of front boundary wall and pillars
Permission · Dun Laoghaire Rathdown County Council, D24A/0380/WEB
The 25 most recent of over 100 applications.
Source: National Planning Applications, Department of Housing, Local Government and Heritage, CC BY 4.0. Applicants are not shown.
Nature and heritage
Designated sites and recorded monuments
Designated sites
No designated site (Special Area of Conservation, Special Protection Area, Natural Heritage Area or proposed one) touches the townland of Mountashton.
Recorded monuments
- DU023-068 Burial
Description
Situated between Fitzgerald Park and Mountown Road Lower. A burial was discovered in November 1968 during the digging of foundation trenches for a dwelling house. Portions of skulls and long bones were visible in the section faces (D 0.30m-0.60m). They were thought to be extended with burials overlying others. No associated artefacts were found with any of the burials (Cahill & Sikora 2011, 472). Compiled by: Geraldine Stout and Padraig Clancy Revised upload on: 6 July 2018
Architectural heritage
- Wynberg House, house, 1844–1869 · Regional interest
Description
Detached three-bay two-storey house, extant 1869, on an E-shaped plan with single-bay two-storey bows on engaged half-octagonal plans centred on single-bay single-storey flat-roofed projecting porch to ground floor; three-bay two-storey lower range along rear (south) elevation. Occupied, 1911. Pitched slate roof on a U-shaped plan with half-octagonal slate roofs (bows); pitched slate roof (south), clay ridge tiles, rendered red brick Running bond chimney stacks having corbelled steppe capping supporting yellow terracotta pots, rendered coping to gables (south) with rendered chimney stacks to apexes centred on rendered "wallhead" chimney stack having rendered capping supporting yellow terracotta tapered pots, and replacement uPVC rainwater goods on overhanging timber eaves. Part creeper- or ivy-covered rendered walls on rendered plinth with rendered channelled piers to corners. Square-headed central door opening in square-headed recess approached by two cut-granite steps, distyle "in antis" doorcase with engaged columns on plinths framing timber panelled door having overlight. Square-headed window openings with cut-granite sills, cruciform mullions, and concealed dressings framing timber casement windows behind timber lattice panels. Square-headed window openings (south) with cut-granite sills, cruciform mullions, and concealed dressings framing timber casement windows behind timber lattice panels. Set in landscaped grounds with roughcast piers to perimeter having rendered rounded capping supporting crocketed cast-iron double gates.
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).
Ground and risks
Radon, landslides, flooding
- Radon
- About 1 in 20 homes in this area is likely to have high radon levels. Testing a home
- Landslides
- Susceptibility low, low (inferred), on the 1:50,000 map.
- Terrain model
- LiDAR of the Office of Public Works, flown in 2011, at 2 m: tile OPW_3311 (ZIP).
- 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.
Homes sold
Property Price Register
No address of the register names Mountashton with five sales or more. The sales of the area are on the page of Co. Dublin.
The townland
- Name
- Mountashton · Mountashton
- Area
- 273,705 m² (27.37 ha, 67.63 acres)
- Civil parish
- Monkstown, and its townlands
- Barony
- Rathdown
- Neighbouring townlands
- Honeypark, Lansville, Monkstown, Monkstown Castlefarm, Newtown Castlebyrn, Stradbrook
- Placenames
- Mountashton 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.