# Highdownhill, Co. Dublin: townland, land parcels and planning

Townland in the civil parish of Newcastle, barony of Newcastle, Co. Dublin; in Irish An Cnoc Ard.

- Area (Tailte Éireann): 620,847 m² (62.08 ha, 153.41 acres)
- Land parcels (Tailte Éireann): 62 registered freehold parcels lie mostly in it, median 1,799 m²
- Zoning (national zoning, MyPlan): P1 RU, the zone with the most parcels
- Planning (National Planning Applications): 23 applications since 2010
- Civil parish: Newcastle, https://everytownland.com/dublin/parish/newcastle.md
- Barony: Newcastle
- Electoral division: Newcastle, the unit of the census
- Census 2022 (Central Statistics Office): 5,552 people lived in 1,814 households in the Newcastle electoral division. 75% of households owned their home. 66% of homes were built since 2001. 5% of dwellings stood vacant on census night, and 0% were holiday homes.
- County: Co. Dublin, https://everytownland.com/dublin.md
- Placenames Database of Ireland: https://www.logainm.ie/en/17164
- Townland number at Tailte Éireann: 260466
- Centre: latitude 53.289424, longitude -6.504875 (WGS 84)

## Land parcels (registered freehold land, Tailte Éireann)

62 registered freehold parcels lie mostly in Highdownhill, from 11 m² to 136,320 m² (13.63 ha, 33.69 acres); 25 neighbouring parcels touch its boundary. Largest first:

- Parcel 1825407: 136,320 m² (13.63 ha, 33.69 acres), https://everytownland.com/parcel/1825407.md
- Parcel 1825400: 71,978 m² (7.2 ha, 17.79 acres), https://everytownland.com/parcel/1825400.md
- Parcel 1825402: 61,723 m² (6.17 ha, 15.25 acres), https://everytownland.com/parcel/1825402.md
- Parcel 5778591: 61,362 m² (6.14 ha, 15.16 acres), https://everytownland.com/parcel/5778591.md
- Parcel 1778260: 58,872 m² (5.89 ha, 14.55 acres), https://everytownland.com/parcel/1778260.md
- Parcel 1778266: 41,772 m² (4.18 ha, 10.32 acres), https://everytownland.com/parcel/1778266.md
- Parcel 1825409: 30,233 m² (3.02 ha, 7.47 acres), https://everytownland.com/parcel/1825409.md
- Parcel 1778259: 23,201 m² (2.32 ha, 5.73 acres), https://everytownland.com/parcel/1778259.md
- Parcel 1825410: 21,517 m² (2.15 ha, 5.32 acres), https://everytownland.com/parcel/1825410.md
- Parcel 1825408: 17,914 m² (1.79 ha, 4.43 acres), https://everytownland.com/parcel/1825408.md
- Parcel 2524997: 8,996 m² (0.9 ha, 2.22 acres), https://everytownland.com/parcel/2524997.md
- Parcel 1825419: 7,758 m² (0.78 ha, 1.92 acres), https://everytownland.com/parcel/1825419.md
- Parcel 1778261: 6,219 m² (0.62 ha, 1.54 acres), https://everytownland.com/parcel/1778261.md
- Parcel 1757845: 5,985 m² (0.6 ha, 1.48 acres), https://everytownland.com/parcel/1757845.md
- Parcel 1825417: 5,837 m² (0.58 ha, 1.44 acres), https://everytownland.com/parcel/1825417.md
- Parcel 1778255: 4,449 m² (0.44 ha, 1.1 acres), https://everytownland.com/parcel/1778255.md
- Parcel 1778262: 4,105 m² (0.41 ha, 1.01 acres), https://everytownland.com/parcel/1778262.md
- Parcel 1778254: 3,455 m² (0.35 ha, 0.85 acres), https://everytownland.com/parcel/1778254.md
- Parcel 1825411: 3,453 m² (0.35 ha, 0.85 acres), https://everytownland.com/parcel/1825411.md
- Parcel 1825418: 3,326 m² (0.33 ha, 0.82 acres), https://everytownland.com/parcel/1825418.md
- Parcel 1825412: 3,195 m² (0.32 ha, 0.79 acres), https://everytownland.com/parcel/1825412.md
- Parcel 1917388: 2,853 m² (0.29 ha, 0.7 acres), https://everytownland.com/parcel/1917388.md
- Parcel 1825401: 2,671 m² (0.27 ha, 0.66 acres), https://everytownland.com/parcel/1825401.md
- Parcel 1778265: 2,645 m² (0.26 ha, 0.65 acres), https://everytownland.com/parcel/1778265.md
- Parcel 1778263: 2,579 m² (0.26 ha, 0.64 acres), https://everytownland.com/parcel/1778263.md
- Parcel 2706912: 2,496 m² (0.25 ha, 0.62 acres), https://everytownland.com/parcel/2706912.md
- Parcel 1778256: 2,215 m² (0.22 ha, 0.55 acres), https://everytownland.com/parcel/1778256.md
- Parcel 4066611: 2,177 m² (0.22 ha, 0.54 acres), https://everytownland.com/parcel/4066611.md
- Parcel 3751098: 1,866 m², https://everytownland.com/parcel/3751098.md
- Parcel 1778264: 1,838 m², https://everytownland.com/parcel/1778264.md
- Parcel 1825414: 1,810 m², https://everytownland.com/parcel/1825414.md
- Parcel 5758368: 1,788 m², https://everytownland.com/parcel/5758368.md
- Parcel 5778552: 1,779 m², https://everytownland.com/parcel/5778552.md
- Parcel 5778574: 1,517 m², https://everytownland.com/parcel/5778574.md
- Parcel 1825404: 1,459 m², https://everytownland.com/parcel/1825404.md
- Parcel 2525000: 1,420 m², https://everytownland.com/parcel/2525000.md
- Parcel 3953683: 1,347 m², https://everytownland.com/parcel/3953683.md
- Parcel 5758272: 1,284 m², https://everytownland.com/parcel/5758272.md
- Parcel 3751174: 1,278 m², https://everytownland.com/parcel/3751174.md
- Parcel 5778648: 1,166 m², https://everytownland.com/parcel/5778648.md
- Parcel 1825399: 1,161 m², https://everytownland.com/parcel/1825399.md
- Parcel 5761211: 1,102 m², https://everytownland.com/parcel/5761211.md
- Parcel 2524999: 1,090 m², https://everytownland.com/parcel/2524999.md
- Parcel 2706918: 1,046 m², https://everytownland.com/parcel/2706918.md
- Parcel 4075490: 970 m², https://everytownland.com/parcel/4075490.md
- Parcel 5758360: 896 m², https://everytownland.com/parcel/5758360.md
- Parcel 1778257: 895 m², https://everytownland.com/parcel/1778257.md
- Parcel 3953684: 652 m², https://everytownland.com/parcel/3953684.md
- Parcel 1825403: 652 m², https://everytownland.com/parcel/1825403.md
- Parcel 1825406: 599 m², https://everytownland.com/parcel/1825406.md
- Parcel 1825415: 475 m², https://everytownland.com/parcel/1825415.md
- Parcel 5761219: 470 m², https://everytownland.com/parcel/5761219.md
- Parcel 6035726: 403 m², https://everytownland.com/parcel/6035726.md
- Parcel 1825405: 377 m², https://everytownland.com/parcel/1825405.md
- Parcel 5778558: 274 m², https://everytownland.com/parcel/5778558.md
- Parcel 1778258: 241 m², https://everytownland.com/parcel/1778258.md
- Parcel 1778267: 209 m², https://everytownland.com/parcel/1778267.md
- Parcel 5758293: 206 m², https://everytownland.com/parcel/5758293.md
- Parcel 1825413: 119 m², https://everytownland.com/parcel/1825413.md
- Parcel 1825416: 70 m², https://everytownland.com/parcel/1825416.md
- Parcel 6035732: 58 m², https://everytownland.com/parcel/6035732.md
- Parcel 1868564: 11 m², https://everytownland.com/parcel/1868564.md

## Zoning (national zoning of development plans, MyPlan)

- P1 RU (Agriculture): South Dublin County Development Plan 2022-2028, South Dublin; 70 parcels. The zoning objective in the plan: https://www.sdcc.ie/en/devplan2022/adopted-plan/

## Planning applications whose site touches the townland (National Planning Applications, Department of Housing, Local Government and Heritage)

23 applications, newest first.

- 27 May 2026, South Dublin County Council SD26B/0259W: Grant permission & grant retention. Permission and retention. Permission for a dormer roof extension over existing one storey house, with a dormer extension to the side and rear of the existing one storey house. Retention permission for a one storey detached domestic garage to the rear of the existing dwelling as constructed and all associated siteworks.. File: https://planning.agileapplications.ie/southdublin/application-details/70413
- 2 Mar 2026, South Dublin County Council SD26A/0055W: Grant permission. Permission, 1 home. The development will consist of the construction of a part one-storey and part two-storey, four-bedroom dwelling house (235m2); construction of a car garage (32m2); and all associated landscaping and site works.. File: https://planning.agileapplications.ie/southdublin/application-details/69901
- 27 Aug 2025, South Dublin County Council SD25A/0199W: Refuse permission. Permission. The development will consist of the construction of a part one-storey and part two-storey, four-bedroom dwelling house (254m2); construction of a car garage (32m2); and all associated landscaping and site works. File: https://planning.agileapplications.ie/southdublin/application-details/68823
- 9 Feb 2022, South Dublin County Council SD22B/0055: Grant permission. Permission. Construction of a new domestic shed including all associated site works.. File: https://planning.agileapplications.ie/southdublin/application-details/61888
- 20 Sept 2021, South Dublin County Council SD21B/0495: Grant permission. Permission. Modifications to existing domestic shed; raising roof to provide additional first floor head height; revised internal layout to provide for home office, gym, tool store and wc; new window and door arrangement to front and side elevations; connection to existing on site services and all associated development works.. File: https://planning.agileapplications.ie/southdublin/application-details/61336
- 26 Jun 2019, South Dublin County Council SD19B/0257: Grant permission. Permission. Construction of a detached single storey garage to the side of the dwelling along with all associated site and sewerage works.. File: https://planning.agileapplications.ie/southdublin/application-details/56733
- 24 Jan 2019, South Dublin County Council SD19A/0021: Refuse permission. Permission. Agricultural buildings for storage of straw and grain; weighbridge; office; concrete apron; all associated site development works.. File: https://planning.agileapplications.ie/southdublin/application-details/55740
- 13 Mar 2018, South Dublin County Council SD18A/0083: Refuse permission. Permission, 1 home. To construct a dwelling house together with a waste water treatment system and associated soil polishing filter, upgrade of existing access, site development works and services.. File: https://planning.agileapplications.ie/southdublin/application-details/53840
- 31 May 2016, South Dublin County Council SD16B/0172: Grant permission for retention. Retention. Retention of a single storey detached garage to rear of existing dwelling , also retention permission sought for 2 chimneys to main dwelling, and retention sought for 2 windows to western elevation.. File: https://planning.agileapplications.ie/southdublin/application-details/50552
- 30 Sept 2014, South Dublin County Council SD09B/0130/EP: Grant extension of duration of permission. Extension of duration of permission. A 90 sq.m ground floor family flat and a 56sq.m first floor dormer extension to side and relocation of septic tank in side garden.. File: https://planning.agileapplications.ie/southdublin/application-details/47630
- 3 May 2011, South Dublin County Council SD11B/0164: Grant permission & grant retention. Permission and retention. Retention of existing detached single storey garage to rear of existing dwelling which has been increased in size from original garage, toilet within garage and the use of garage for occassional recreational use. Permission for single storey extension to rear of dwelling with proposed new dormer windows to front of dwelling to attic space.. File: https://planning.agileapplications.ie/southdublin/application-details/42422
- 16 Feb 2011, South Dublin County Council SD11B/0041: Refuse permission. Permission. 4 new dormer windows and glazed unit over porch to front of dwelling; convert attic and incorporate new two storey extension to rear.. File: https://planning.agileapplications.ie/southdublin/application-details/42083
- 13 Jul 2009, South Dublin County Council SD09B/0281: Grant permission. Permission. Single storey detached garage to side of existing dormer dwelling and associated site works.. File: https://planning.agileapplications.ie/southdublin/application-details/39377
- 16 Apr 2009, South Dublin County Council SD09B/0130: Grant permission. Permission, 1 home. A 90 sq.m ground floor family flat and a 56sq.m. first floor dormer extension to side and relocation of septic tank in side garden.. File: https://planning.agileapplications.ie/southdublin/application-details/38858
- 14 May 2007, South Dublin County Council SD07B/0421: Grant permission. Permission. New vehicular entrance and driveway on north site boundary to replace existing vehicular entrance and driveway on east site boundary, serving existing bungalow.. File: https://planning.agileapplications.ie/southdublin/application-details/32658
- 30 Nov 2005, South Dublin County Council SD05B/0747: Grant permission. Permission. Demolish single storey rear extension and detached garage behind existing house, construct new single storey side and rear extension.. File: https://planning.agileapplications.ie/southdublin/application-details/27275
- 23 Mar 2005, South Dublin County Council SD05B/0194: Grant permission. Permission. Erection of a domestic garage. File Ref No. P2358/78.. File: https://planning.agileapplications.ie/southdublin/application-details/25342
- 10 Nov 2003, South Dublin County Council SD03A/0825: Grant permission. Permission, 1 home. Dormer bungalow and septic tank.. File: https://planning.agileapplications.ie/southdublin/application-details/21787
- 15 Oct 2003, South Dublin County Council SD03A/0766: Grant permission. Permission, 1 home. Three bedroom dormer bungalow and double garage with wastewater treatment system and new entrance and associated site works.. File: https://planning.agileapplications.ie/southdublin/application-details/21631
- 8 Oct 2002, South Dublin County Council SD02A/0585: Grant permission. Permission, 1 home. Bungalow, septic tanks and Puraflo liquid effluent treatment system.. File: https://planning.agileapplications.ie/southdublin/application-details/19096
- 10 Sept 2002, South Dublin County Council SD02A/0527: Grant permission. Permission, 1 home. Bungalow, bio-filter treatment unit, entrance and ancillary site works.. File: https://planning.agileapplications.ie/southdublin/application-details/14367
- 25 Apr 2000, South Dublin County Council S00B/0271: Grant permission. Permission. Bedrooms and shower room extension to bungalow.. File: https://planning.agileapplications.ie/southdublin/application-details/7495
- 22 Jul 1999, South Dublin County Council S99A/0495: Refuse permission. Permission. New bungalow, septic tank and temporary access through Stramorne. File: https://planning.agileapplications.ie/southdublin/application-details/9732

Applicants are not shown.

## Designated sites (National Parks and Wildlife Service)

No designated site (Special Area of Conservation, Special Protection Area, Natural Heritage Area or proposed one) touches the townland of Highdownhill.

## Recorded monuments (Sites and Monuments Record, National Monuments Service)

- DU020-006: Barrow - unclassified, https://heritagedata.maps.arcgis.com/apps/webappviewer/index.html?id=0c9eb9575b544081b0d296436d8f60f8&query=18a4b61b268-layer-9%2CSMRS%2CDU020-006----. Located on the N face of Athgoe Hill in an area indicated as a copse on the 1837 OS 6-inch map. A sub-circular area (diam. c. 46m) defined by a fosse (Wth 2.8m; D 0.9m) and an outer flat-topped bank in the NW and W (Wth 4m at base; 1.2m at top; H 0.6m) and by bushes in the E and SE. The interior of the site is planted with trees (Stout 1998, 151-2). Compiled by Geraldine Stout

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).

## Architectural heritage (National Inventory of Architectural Heritage)

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

## Ground and risks (Radon Risk Map of Ireland, EPA; Landslide Susceptibility Classification and LiDAR, Geological Survey Ireland)

- Radon: at the centre of the townland of Highdownhill, about 1 in 5 homes in this area is likely to have high radon levels. Testing a home: https://www.epa.ie/environment-and-you/radon/radon-testing/#d.en.82887
- Landslides: The 1:50,000 map rates the landslide susceptibility here as moderately high, moderately low, low, partly inferred.
- Terrain model: LiDAR of the Office of Public Works, flown in 2011, at 2 m: tile OPW_2941, https://gsi.geodata.gov.ie/downloads/LiDAR/OPW_NASC/OPW_2941.zip (ZIP).
- Flooding: the flood maps of the Office of Public Works, https://www.floodinfo.ie/map/floodmaps/, linked only: their licence does not allow re-use.

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.

## Downloads

- DXF, in Irish Transverse Mercator metres, with its boundary, parcels and buildings, for a drawing program: https://everytownland.com/dublin/highdownhill.dxf
- GeoJSON, in WGS 84, for a map: https://everytownland.com/dublin/highdownhill.geojson
- KML, for Google Earth: https://everytownland.com/dublin/highdownhill.kml

## Homes sold (Residential Property Price Register)

No address of the register names Highdownhill with five sales or more. The sales of the area are on the page of Co. Dublin: https://everytownland.com/dublin.md

## Neighbouring townlands (National Statutory Boundaries, Tailte Éireann)

- Athgoe: https://everytownland.com/dublin/athgoe.md
- Athgoe North: https://everytownland.com/dublin/athgoe-north.md
- Ballynakelly: https://everytownland.com/dublin/ballynakelly.md
- Keatingspark: https://everytownland.com/dublin/keatingspark.md
- Newcastle South: https://everytownland.com/dublin/newcastle-south.md
- Rathcreedan: https://everytownland.com/dublin/rathcreedan.md

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.

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Everytownland reads the registered freehold land and the statutory boundaries of Tailte Éireann, the national zoning, planning file and heritage records of the Department of Housing, Local Government and Heritage, and the Residential Property Price Register. 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; this site names no owner. A price is the price recorded for a past sale, not a valuation.

Sources: Cadastral Parcels Freehold, Townlands, Civil Parishes, Baronies, Electoral Divisions and Buildings, Tailte Éireann, CC BY 4.0; national zoning of development plans (GZT, MyPlan) and National Planning Applications, Department of Housing, Local Government and Heritage, CC BY 4.0, applicants not shown; designated sites, National Parks and Wildlife Service, CC BY 4.0; Sites and Monuments Record, National Monuments Service, CC BY 4.0; National Inventory of Architectural Heritage, CC BY 4.0; Residential Property Price Register, Property Services Regulatory Authority, re-used with the source acknowledged.

- Page: https://everytownland.com/dublin/highdownhill
- In JSON: https://everytownland.com/api/townland/dublin/highdownhill