Johnstown
Townland in the civil parish of Kill, barony of Rathdown, Co. Dublin; in Irish Baile Sheáin
- Area
- 27.6 ha
- 68 acres
- Land parcels
- 266
- registered freehold, median 337 m²
- Zoning
- R2
- Objective A
- Planning
- 100
- applications since 2010
Land parcels
Registered freehold land, Tailte Éireann
266 registered freehold parcels lie mostly in Johnstown, from 5 m² to 31,595 m² (3.16 ha, 7.81 acres). The dashed line is the townland's boundary; 29 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 · 267 parcels The zoning objective in the plan - G1Objective F (Open space, park)
COUNTY DEVELOPMENT PLAN 2022-2028, Dun Laoghaire-Rathdown · 6 parcels The zoning objective in the plan - C2.1Objective E (Industrial, enterprise, employment)
COUNTY DEVELOPMENT PLAN 2022-2028, Dun Laoghaire-Rathdown · 5 parcels The zoning objective in the plan - M3Objective NC (District, neighbourhood centre)
COUNTY DEVELOPMENT PLAN 2022-2028, Dun Laoghaire-Rathdown · 3 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
4 Jun 2026Grant permission
An attic conversion to a habitable room, including dormer roof with windows to r
Permission · Dun Laoghaire Rathdown County Council, D26B/0330/WEB
29 May 2026S5 dec exempt
Garage conversion to playroom / office / toilet See attached quotation for full
Section 5 · Dun Laoghaire Rathdown County Council, REF8226
8 May 2026Grant permission
1.) an attic conversion including a rear dormer roof extension, a new window to
Permission · Dun Laoghaire Rathdown County Council, D26B/0277/WEB
9 Apr 2026Grant permission
Alterations and extension to foyer/entrance, at ground floor front, including g
Permission · Dun Laoghaire Rathdown County Council, D26A/0275/WEB
17 Feb 2026Grant permission
Permission sought for ground floor extension to rear and to replace garage door
Permission · Dun Laoghaire Rathdown County Council, D26B/0095/WEB
17 Feb 2026Grant permission
A lift shaft to rear of hotel, to serve all 4 floors of the original rear bedroo
Permission · Dun Laoghaire Rathdown County Council, D26A/0106/WEB
4 Feb 2026Grant permission
Permission is sought for development consisting of the demolition of a single st
Permission · Dun Laoghaire Rathdown County Council, D26B/0063/WEB
30 Jan 2026Grant permission
Conversion of attic to non-habitable accommodation and a bathroom, including cha
Permission · Dun Laoghaire Rathdown County Council, D26B/0050/WEB
22 Jan 2026Declare application invalid
The development will consist of: Conversion of attic to non-habitable accommoda
Permission · Dun Laoghaire Rathdown County Council, D26B/0028/WEB
22 Dec 2025Declare application invalid
The development will consist of: Conversion of attic to non-habitable accommoda
Permission · Dun Laoghaire Rathdown County Council, D25B/0729/WEB
29 Oct 2025Grant permission
Conversion of the existing attic of 23.6sq.m, to accommodate a bedroom and showe
Permission · Dun Laoghaire Rathdown County Council, D25A/0819/WEB
10 Jun 2025Grant permission
Construction of a single storey extension to the rear, conversion of existing ga
Permission · Dun Laoghaire Rathdown County Council, D25B/0329/WEB
4 Apr 2025Grant permission & grant retention
Permission and Retention Permission is sought by Brian Kenny for development at
Permission for retention · Dun Laoghaire Rathdown County Council, D25A/0275/WEB
24 Mar 2025Grant permission
The proposed development will consist of (1)The change of use of 25sqm of the e
Permission · Dun Laoghaire Rathdown County Council, D25A/0225/WEB
7 Feb 2025Grant permission
Conversion of her attic to non-habitable accommodation and a bathroom including
Permission · Dun Laoghaire Rathdown County Council, D25B/0065/WEB
17 Jan 2025Grant permission
Permission is sought for development. 1. The demolition of the Sunroom to the
Permission · Dun Laoghaire Rathdown County Council, D25B/0015
24 Dec 2024Declare application invalid
1) The demolition of the sunroom to the rear (9sqm) 2) The demolition of the
Permission · Dun Laoghaire Rathdown County Council, D24B/0554
10 May 2024Grant permission
construction of a single storey speech and language consultation office of 23m2,
Permission · Dun Laoghaire Rathdown County Council, D24A/0322/WEB
1 May 2024Declare application invalid
construction of a single storey speech and language consultation office of 23m2,
Permission · Dun Laoghaire Rathdown County Council, D24A/0302/WEB
7 Mar 2024Grant permission
1) Conversion of existing single storey part-house to Granny Flat use. 2) Constr
Permission · Dun Laoghaire Rathdown County Council, D24A/0142
6 Mar 2024Grant permission
Development will consist of demolishing the existing boiler to the rear of the
Permission · Dun Laoghaire Rathdown County Council, D24B/0091
22 Sept 2023Grant permission
Construction of a 98.44 sqm two storey dwelling including all associated site
Permission · Dun Laoghaire Rathdown County Council, D23A/0608
30 Jun 2023Approve
Deansgrange Stream Flood Relief Scheme
Part vlll (public consultation) · Dun Laoghaire Rathdown County Council, PC/WS/01/23
7 Jun 2023Grant permission & grant retention
Retention Permission & Permission. The existing development to be retained consi
Permission for retention · Dun Laoghaire Rathdown County Council, D23A/0378
24 May 2023Grant permission
Single storey extension (3.23m2) incorporating a new WC cubicle and entrance
Permission · Dun Laoghaire Rathdown County Council, D23B/0246
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 Johnstown.
Recorded monuments
No recorded monument lies in the townland of Johnstown.
Architectural heritage
- Johnstown House, country house, 1844–1858 · Regional interest
Description
Detached three-bay two-storey country house, extant 1858, on a T-shaped plan centred on single-bay two-storey "bas-relief" breakfront with single-bay single-storey flat-roofed projecting porch to ground floor; two-bay two-storey side elevations. Occupied, 1911. Part refenestrated. Hipped slate roof on an E-shaped plan with clay ridge tiles, paired rendered central chimney stacks on cut-granite chamfered cushion courses on rendered bases having corbelled stepped capping supporting terracotta or yellow terracotta tapered pots, and cast-iron rainwater goods on paired timber consoles retaining cast-iron downpipes. Rendered, ruled and lined walls on cut-granite plinth with rendered, ruled and lined "bas-relief" piers to corners. Round-headed window openings in bipartite arrangement in square-headed recess (porch), cut-granite sill, mullion, and concealed dressings framing margined one-over-one timber sash windows. Square-headed opposing door openings ("cheeks") with concealed dressings framing timber panelled doors having overpanels. Round-headed window openings in tripartite arrangement in square-headed recess (first floor), cut-granite sill course, mullions, and concealed dressings framing margined one-over-one timber sash windows. Square-headed window openings with cut-granite sills (ground floor) or cut-granite sill course (first floor), and concealed dressings framing replacement uPVC casement windows. Square-headed window openings to side elevations with cut-granite sills (ground floor) or cut-granite sill course (first floor), and concealed dressings framing replacement uPVC casement windows (ground floor) or six-over-six timber sash (first floor) windows. Set in landscaped grounds.
- Johnstown House, gates/railings/walls, 1700–1837 · Regional interest
Description
Gateway, extant 1837, on a symmetrical plan comprising pair of granite ashlar piers on moulded cushion courses on plinths having corbelled stepped cornices on fluted friezes below fluted domed capping supporting cast-iron double gates with granite ashlar outer piers on moulded cushion courses on plinths having cut-granite shallow pyramidal capping. Road fronted at entrance to grounds of Johnstown House.
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_3313 (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 Johnstown with five sales or more. The sales of the area are on the page of Co. Dublin.
The townland
- Name
- Johnstown · Baile Sheáin
- Area
- 276,175 m² (27.62 ha, 68.24 acres)
- Civil parish
- Kill, and its townlands
- Barony
- Rathdown
- Electoral division
- Cabinteely-Granitefield, the unit of the census
- Census 2022
- Cabinteely-Granitefield electoral division: 2,713 people in 1,008 households; 79% of households own their home; 23% of homes were built since 2001; 4% of dwellings stood vacant on census night, and 0% were holiday homes.
- Neighbouring townlands
- Cabinteely, Kilbogget, Kill of The Grange, Rochestown, Rochestown Domain, Woodpark
- Placenames
- Johnstown 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.