Scalpwilliam or Mount Mapas
Townland in the civil parish of Kill, barony of Rathdown, Co. Dublin; in Irish Scailp Liam
- Area
- 60.1 ha
- 148 acres
- Land parcels
- 94
- registered freehold, median 188 m²
- Zoning
- R2
- Objective A
- Planning
- 100
- applications since 2010
Land parcels
Registered freehold land, Tailte Éireann
94 registered freehold parcels lie mostly in Scalpwilliam or Mount Mapas, from 7 m² to 151,647 m² (15.16 ha, 37.47 acres). The dashed line is the townland's boundary; 30 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 · 119 parcels The zoning objective in the plan - G1Objective F (Open space, park)
COUNTY DEVELOPMENT PLAN 2022-2028, Dun Laoghaire-Rathdown · 3 parcels The zoning objective in the plan - S5Objective SNI (Mixed/general community services/facilities uses)
COUNTY DEVELOPMENT PLAN 2022-2028, Dun Laoghaire-Rathdown · 0 parcels The zoning objective in the plan - O2Objective W (General)
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
28 Aug 2026Registered application
Visiting family and guest accomodation.
Exemption class 3a · Dun Laoghaire Rathdown County Council, C3A/0004/26
16 Jul 2026S5 req ai
I wish to change the timber cladding on the building to coloured Zinc. The exis
Section 5 · Dun Laoghaire Rathdown County Council, REF10726
8 Jul 2026Grant permission
The development consists of: (a). Demolition and removal of the existing rear tw
Permission · Dun Laoghaire Rathdown County Council, D26A/0516/WEB
4 Mar 2026Grant permission
The construction of a single storey, detached garage for one car to the front ga
Permission · Dun Laoghaire Rathdown County Council, D26B/0120
30 Jan 2026Grant permission for retention
RETENTION permission for ‘commercial sauna’ use; installation of (i) 2 no. mobi
Permission for retention · Dun Laoghaire Rathdown County Council, D26A/0050/WEB
22 Oct 2025Grant permission
alterations to previously approved planning permission (DLRCC Reg Ref D23A/0740)
Permission · Dun Laoghaire Rathdown County Council, D25A/0799/WEB
13 Sept 2025Grant permission
Permission sought for; 1) A rooflight to the front pitched roof over the existin
Permission · Dun Laoghaire Rathdown County Council, D25B/0501/WEB
26 Jul 2025Grant permission
Construction of new three storey 3 bedroom home on side garden. Main pitched ro
Permission · Dun Laoghaire Rathdown County Council, D25A/0592/WEB
17 Jul 2025Declare application invalid
Construction of new three storey 3 bedroom home on side garden. Main pitched ro
Permission · Dun Laoghaire Rathdown County Council, D25A/0571/WEB
21 May 2025Grant permission
Subdivision of the existing site and construction of a new two storey four-bedro
Permission · Dun Laoghaire Rathdown County Council, D25A/0397
21 May 2025Grant certificate of exemption
1 dwelling
Certificate of exemption - part v · Dun Laoghaire Rathdown County Council, V/043/25
15 Apr 2025Grant permission
Planning permission is sought by Michele Barrett for an extension to 6 Hill Cot
Permission · Dun Laoghaire Rathdown County Council, D25A/0306/WEB
7 Apr 2025Declare application invalid
Planning permission is sought by Michele Barrett for an extension to 6 Hill Cot
Permission · Dun Laoghaire Rathdown County Council, D25A/0279/WEB
25 Mar 2025Grant permission
Permission for 1) removal of parapet wall to flat roof of later extension to
Permission · Dun Laoghaire Rathdown County Council, D25A/0234
7 Mar 2025S5 dec not exempt
Whether the removal and reconfiguration of the existing ground floor conservator
Section 5 · Dun Laoghaire Rathdown County Council, REF3625
21 Jan 2025S5 dec not exempt
The proposal consists of the removal of a portion of the existing ground floor e
Section 5 · Dun Laoghaire Rathdown County Council, REF1225
20 Dec 2024Grant permission
Intend to apply for Permission for development. The development will consist of
Permission · Dun Laoghaire Rathdown County Council, D24A/1026
8 Nov 2024Grant permission
The development will consist of (1) Demolition of existing garage roof to the s
Permission · Dun Laoghaire Rathdown County Council, D24A/0898/WEB
3 Nov 2024Grant permission
The development will consist of (a) The removal and replacing of the existing r
Permission · Dun Laoghaire Rathdown County Council, D24A/0878/WEB
25 Oct 2024Declare application invalid
The development will consist of (a) The removal and replacing of the existing r
Permission · Dun Laoghaire Rathdown County Council, D24A/0860/WEB
15 Oct 2024Grant permission
Planning permission sought for, (a) proposed erection of alterations and extensi
Permission · Dun Laoghaire Rathdown County Council, D24A/0828/WEB
24 Sept 2024Declare application invalid
planning permission for, (a) proposed erection of alterations and extensions to
Permission · Dun Laoghaire Rathdown County Council, D24A/0760/WEB
30 Aug 2024S5 dec exempt
External repairs to existing cottage including 1) repointing of original brickw
Section 5 · Dun Laoghaire Rathdown County Council, REF9724
9 Feb 2024Grant permission
Construction of 1 No. Padel court as well as associated lighting and fencing
Permission · Dun Laoghaire Rathdown County Council, D24A/0079
27 Nov 2023Grant permission for retention
Permission for retention of development for a single storey extension of a garag
Permission for retention · Dun Laoghaire Rathdown County Council, D23A/0753
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
- Proposed Natural Heritage Area: Dalkey Coastal Zone And Killiney Hill 001206
Recorded monuments
No recorded monument lies in the townland of Scalpwilliam or Mount Mapas.
Architectural heritage
No building of the National Inventory of Architectural Heritage stands in the townland of Scalpwilliam or Mount Mapas.
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 5 homes in this area is likely to have high radon levels. Testing a home
- Landslides
- Susceptibility high, moderately high, moderately low, low, on the 1:50,000 map.
- Terrain model
- LiDAR of the Office of Public Works, flown in 2011, at 2 m: tile OPW_3337 (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 Scalpwilliam or Mount Mapas with five sales or more. The sales of the area are on the page of Co. Dublin.
The townland
- Name
- Scalpwilliam or Mount Mapas · Scailp Liam
- Area
- 600,779 m² (60.08 ha, 148.46 acres)
- Civil parish
- Kill, and its townlands
- Barony
- Rathdown
- Electoral division
- Dalkey Hill, the unit of the census
- Census 2022
- Dalkey Hill electoral division: 1,536 people in 615 households; 73% of households own their home; 11% of homes were built since 2001; 8% of dwellings stood vacant on census night, and 6% were holiday homes.
- Neighbouring townlands
- Ballinclea, Bullock, Dalkey, Dalkey Commons, Killiney, Rocheshill, Rochestown
- Placenames
- Scalpwilliam or Mount Mapas 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.