Johnstown

370 registered freehold parcels lie mostly in Johnstown, from 3 m² to 46,386 m² (4.64 ha, 11.46 acres). The dashed line is the townland's boundary; 61 neighbouring parcels touch it.

Download the townland: DXF, in Irish Transverse Mercator metres, with its boundary, parcels and buildings; GeoJSON or KML.

• R2RES (Existing residential)
  South Dublin County Development Plan 2022-2028, South Dublin · 395 parcels The zoning objective in the plan
• C2.1EE (Industrial, enterprise, employment)
  South Dublin County Development Plan 2022-2028, South Dublin · 14 parcels The zoning objective in the plan
• G1OS (Open space, park)
  South Dublin County Development Plan 2022-2028, South Dublin · 7 parcels The zoning objective in the plan
• R2Z1: Sustainable Residential Neighbourhoods (Existing residential)
  Development Plan 2022-2028, Dublin · 5 parcels The zoning objective in the plan

Source: Tailte Éireann and the Department of Housing (MyPlan), national zoning, CC BY 4.0.

• 20 Jan 2026Grant permission & grant retention

  Permission sought for two storey entrance and single storey extension to existing building incorporating a new Sports & Wellness Communal Space above existing single storey building. Retention is also sought for existing single storey pitched roof storage shed. New extensions and existing storage shed are located to the west/rear of existing Sports Complex.

  Permission and retention · South Dublin County Council, SD25A/0261W

• 24 Nov 2025Grant permission

  Attic conversion for storage, with a raised gable to the side, two rooflights to the front roof slope, a rear dormer, and a gable window.

  Permission · South Dublin County Council, SD25B/0659W

• 6 Aug 2025Grant permission

  To construct a single storey 1-bedroom apartment extension to our existing residence including associated alterations to existing house, boundary improvements and site works.

  Permission · South Dublin County Council, SD25A/0085W

• 19 Jun 2025Grant permission

  Small underground wine cellar with a circular, upward-opening glass door, accessed by spiral stairs from the living/dining area, providing storage and creating a new basement level.

  Permission · South Dublin County Council, SD25B/0406W

• 9 Jun 2025Grant permission for retention

  Retention permission for the as constructed rare boundary wall of 2.51M in height following the purchase of land parcels contiguous to rare garden of house numbers 17, 18 and 19 Oak court, Palmerstown Dublin 20.

  Retention · South Dublin County Council, SD24B/0475

• 16 Apr 2025Grant permission

  Construction of two storey extension to the rear of existing dwelling comprising of kitchen, living and dining room at ground floor level and bedroom extension c/w en-suite at first floor level. Construction of single storey extension to the front of existing dwelling comprising of living room extension and all associated site works. Conversion of existing attic space com-prising of modification of existing roof structure, raising of existing gable c/w window, new access stairs, 2no. roof windows to the front and flat roof dormer to the rear.

  Permission · South Dublin County Council, SD25B/0222W

• 12 Dec 2024Declared exempt

  Non Structural aesthetic renovation of bathrooms Tiling, Replacing Sinks & Toilets in male and female toilets on ground floor and first floor.

  Declaration of exemption sect. 5 · South Dublin County Council, ED24/0073

• 28 Nov 2024Grant permission

  A single-storey extension to the rear and a two-storey extension to the rear side. Raising the roof profile to Two dormer windows to the rear. Two Velux windows to the front. Porch extension to the front.

  Permission · South Dublin County Council, SD24B/0539W

• 31 Oct 2024Grant permission

  Proposed changes to as granted planning application ref:SD23B/0524 proposed changes to attic to include buildup of hipped roof at attic level to Dutch hip with window in gable wall, with 2No. roof lights on rear slope of roof at attic level. Attic conversion with w.c. for use as bedroom

  Permission · South Dublin County Council, SD24B/0485W

• 5 Mar 2024Grant permission

  Permission to construct dormer attic window to side of existing roof and new front porch

  Permission · South Dublin County Council, SD23B/0524

• 8 May 2023Grant permission for retention

  Retention Planning Permission for single storey extension to front of existing house with associated ancillary works

  Retention · South Dublin County Council, SD23B/0204

• 20 Apr 2023Invalidate application

  Retention planning permission for single storey extension to front of existing house with associated ancillary works.

  Retention · South Dublin County Council, SD23B/0177

• 22 Mar 2022Grant permission

  Demolition of existing shed attached to the rear; replace with extension to existing 2 storey dwelling; adjustment to existing first floor; 'Velux' roof windows on southeast elevation to new dormer style storey and a half roof and windows; additional high level 'Velux' windows to northwest elevation roof.

  Permission · South Dublin County Council, SD21B/0526

• 15 Mar 2022Grant permission

  Construction of palisade security fencing to rear boundary of existing rear garden and all associated site works.

  Permission · South Dublin County Council, SD22B/0112

• 14 Feb 2022Grant permission & grant retention

  Erect a new ball wall to rear including internal alterations to provide new first floor storage with new external escape door and window on south gable; Retention for refreshment kiosk to front and north side elevation.

  Permission and retention · South Dublin County Council, SD21A/0165

• 23 Jun 2021Grant permission

  Altered elevations to include double apex roof to front elevation; attic conversion for kids playroom to include a side elevation gable with first floor window and the addition of a lean-to dormer section to the rear of existing pitched roof and associated internal layout adjustments.

  Permission · South Dublin County Council, SD21B/0360

• 31 May 2021Grant permission

  Construction of a 37.8sq.m ground floor extension to the side, a 2.4sq.m porch to the front of existing dwelling and change of roof profile from hip to gable to accommodate attic storage area.

  Permission · South Dublin County Council, SD21B/0135

• 13 May 2021Grant permission for retention

  Retention of a detached single storey gym/office/storage to rear of existing house with ancillary works.

  Retention · South Dublin County Council, SD20B/0358

• 20 Oct 2020Grant permission

  Porch extension to the front and an extension to the rear with additional store in attic space.

  Permission · South Dublin County Council, SD20B/0127

• 11 Jun 2020Grant permission

  Single storey extension to rear and widening of porch to front of dwelling; storage space created in attic area.

  Permission · South Dublin County Council, SD20B/0038

• 19 Feb 2020Grant permission

  New ball wall to the east of the property with a height of 5 metres including a 1.2 metre height fence; a sponsor signage fixed to the top of the wall size 1.5x18 metres; an existing flood light relocated to the top of the proposed ball wall; a store for equipment attached to the front of the clubhouse with two club signage displays size 1.2x3.2 metres; a fenced external storage area attached to the west of the all-weather pitch; a sponsored signage to the north facade of the clubhouse size 1.5x7 metres; recess of existing goalposts for all-weather pitch.

  Permission · South Dublin County Council, SD20A/0044

• 18 Dec 2019Refuse permission

  Construction of a single storey rear extension (3sq.m); new first floor rear and side dormer extension (3sq.m); internal alterations and associated site works all to an existing single storey semi-detached dwelling.

  Permission · South Dublin County Council, SD19B/0481

• 26 Nov 2019Invalid application

  Construction of a single storey rear extension (3sq.m); new first floor rear and side dormer extension (3sq.m); internal alterations; associated site works all to an existing single storey semi-detached dwelling.

  Permission · South Dublin County Council, SD19B/0460

• 25 May 2018Invalid - site notice

  Single storey extension at rear.

  Permission · South Dublin County Council, SD18B/0236

• 20 Mar 2018Grant permission

  Single storey living room, extension to front of existing dwelling and associated site works.

  Permission · South Dublin County Council, SD18B/0107

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.

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

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

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 low, on the 1:50,000 map.

Terrain model

LiDAR of the Office of Public Works, flown in 2011, at 2 m: tile OPW_3120 (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.

No address of the register names Johnstown with five sales or more. The sales of the area are on the page of Co. Dublin.

Name

Johnstown · Baile Sheáin

Area

237,430 m² (23.74 ha, 58.67 acres)

Civil parish

Palmerston, and its townlands

Barony

Uppercross

Electoral division

Palmerston Village, the unit of the census

Census 2022

Palmerston Village electoral division: 3,689 people in 1,451 households; 88% of households own their home; 3% of homes were built since 2001; 4% of dwellings stood vacant on census night, and 0% were holiday homes.

Neighbouring townlands

Ballyfermot Upper, Redcowfarm, Woodfarm

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.