Knockmitten

1,369 registered freehold parcels lie mostly in Knockmitten, from 1 m² to 62,334 m² (6.23 ha, 15.4 acres). The dashed line is the townland's boundary; 81 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 · 1,309 parcels The zoning objective in the plan
• C2.1EE (Industrial, enterprise, employment)
  South Dublin County Development Plan 2022-2028, South Dublin · 86 parcels The zoning objective in the plan
• M1REGEN (Mixed Use, general development, opportunity/proposal site)
  South Dublin County Development Plan 2022-2028, South Dublin · 15 parcels The zoning objective in the plan
• M3LC (District, neighbourhood centre)
  South Dublin County Development Plan 2022-2028, South Dublin · 8 parcels The zoning objective in the plan
• G1OS (Open space, park)
  South Dublin County Development Plan 2022-2028, South Dublin · 6 parcels The zoning objective in the plan

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

• 4 Sept 2026Officer allocation

  Conversion of existing attic space comprising of modification of existing roof structure, removal of existing chimney, new access stars, 2 No. roof windows to the front and flat roof former to the rear.

  Declaration of exemption sect. 5 · South Dublin County Council, ED26/0095

• 23 Jul 202635 day assessment

  Construction of a mostly single storey double height vehicle servicing building with a mezzanine (173sq m) area for additional ancillary admin usage (total GIA 867 sq.m - includes mezzanine); Illuminated building mounted signage; Installation of a separate single storey lightweight aluminium frame building (total area 54 sq m) for use as a dry valeting facility; An external automatic brush vehicle washing machine and associated screen part enclosure; Surface mounted rainwater harvesting tanks (total capacity 36,000 litres) and below ground silt and petrol interceptor and attenuation; A freestanding totem sign. 6. 12 no. electric vehicle exterior charging points and all associated site works.

  Permission · South Dublin County Council, SD26A/0177W

• 8 Jul 2026Grant permission & refuse permission

  Construction of side and front 2 storey extension to existing dwelling, with new dormer window, change of use of attic space to storage space, widening of existing front entrance drive way and all ancillary site works.

  Permission · South Dublin County Council, SD26B/0321W

• 9 Apr 2026Grant permission

  Construction of new single storey extension to the rear of existing dwelling and all assocciated works .

  Permission · South Dublin County Council, SD26B/0167W

• 25 Mar 2026Grant permission

  Erection of a new 2 storey extension to the side, with internal modifications and associated site works.

  Permission · South Dublin County Council, SD26B/0133W

• 27 Feb 2026Refuse permission for retention

  Retention for the construction of a garden structure circa 26sqm for home office and gym use.

  Retention · South Dublin County Council, SD26B/0084W

• 18 Feb 2026Invalid - site notice

  Construction of a new single storey extension to the rear of the existing dwelling and all associated works.

  Permission · South Dublin County Council, SD26B/0067W

• 30 Jan 2026Grant permission

  The development will consist of a) Demolition of side boundary wall, b) Construction of new two storey dwelling to the side of existing adjoining dwelling, c) Associated site works including construction of new boundary wall and new pedestrian access to rear, d) Widened dished pavement for vehicular access.

  Permission, 1 home · South Dublin County Council, SD25A/0277W

• 30 Jan 2026Grant permission

  Attic conversion with projecting dormer window to rear roof and 2 no. velux windows to front roof, new study / storage facility, and all associated site works.

  Permission · South Dublin County Council, SD26B/0036W

• 20 Nov 2025Grant permission

  Replacement of signage on the premises front elevation.

  Permission · South Dublin County Council, SD25A/0284W

• 1 Sept 2025Declared withdrawn

  Demolition of existing 3.3sq.m rear kitchen lean-too and construction of new 12sq.m ground floor extension with flat roof; construction of new 4.1sq.m first floor rear extension with pitched roof; internal alterations.

  Extension of duration of permission · South Dublin County Council, SD20B/0275/EP

• 19 Jun 2025Grant permission

  Planning Permission sought for proposed two storey pitched roof extension to side (floor area = 12.17sq.m) with a proposed ridge height of 6.935m high, complete with first floor bedroom window to side/N.West elevation & 2no. 'velux' roof lights to front/S.West elevation together with associated site works

  Permission · South Dublin County Council, SD25B/0407W

• 13 May 2025Grant permission

  Conversion of existing attic space comprising of modification of existing roof structure, new access stairs and flat roof dormer to the rear.

  Permission · South Dublin County Council, SD25B/0272W

• 8 Apr 2025Grant permission

  1) Demolition of existing single story lean-to-roof extension to rear. 2) New single storey flat roof extension to the rear. 3) New dormers to the front and rear of attic. 4) All associated site and auxiliary works.

  Permission · South Dublin County Council, SD25B/0193W

• 24 Mar 2025Grant permission

  The proposed development will consist of an amalgamation of two existing units, including the making of internal connections between both units across the three floor levels, of replacement of the solid metal double doors at the rear of Unit 17 with a double glazed window, and of installation of two new self-illuminated signs, the first sign of approx. 2.09sqm on the West elevation 8.300m above ground and second sign of approx. 3.125sqm on the East elevation 3.260m above ground

  Permission · South Dublin County Council, SD25A/0068W

• 11 Mar 2025Grant permission

  The development seeking permission will consist of widening the existing vehicular entrance to 3.5m wide.

  Permission · South Dublin County Council, SD25B/0129W

• 28 Feb 2025Grant permission

  Ground floor rear extension with pitched roof over & 2 No roof lights over & ground floor extension with pitched roof over

  Permission · South Dublin County Council, SD25B/0094

• 20 Dec 2024Declared exempt

  Retrofit - Take Tudor style timber away to allow for wrap around

  Declaration of exemption sect. 5 · South Dublin County Council, ED24/0075

• 25 Oct 2024Refuse permission

  Planning Permission sought for: Change of use of part first floor from function room to aparthotel and construction of 2 new floors over first floor complete (at second and third floor levels) to provide aparthotel and ancillary accommodation. The total no of aparthotel rooms provided is 22. Existing roof over first floor to be removed complete to facilitate this development. Other works include: (1) Reduction in size of Ground Floor Lounge floor area to provide new separate stairs and lift to serve the aparthotel rooms on the first, new second and new third floors. External entrance doors to the stairs / lift area are the previous entrance doors to the Lounge area. (2) Internal alterations at ground and first floor levels to facilitate this development. (3) Roof garden accessed via the new stairs and lift. (4) Alterations to the existing building elevations finishes and (5) Connection to all services and all ancillary site development works to facilitate this development.

  Permission · South Dublin County Council, SD24A/0080W

• 5 Aug 2024Grant permission

  Two new dormer windows and a porch to the front. First-floor extension to the side. New dormer window to the rear. Single-storey extension to the rear

  Permission · South Dublin County Council, SD24B/0351W

• 4 Jun 2024Grant permission

  Conversion of existing attic space comprising of modification of existing roof structure, new gable window, new access stairs, flat roof dormer to the rear and 2no. roof windows to the front.

  Permission · South Dublin County Council, SD24B/0262W

• 26 Mar 2024Grant permission & grant retention

  Retention permission for 2 storey extension to rear of existing house, proposal for a new window to side of existing house all with associated ancillary works

  Permission and retention · South Dublin County Council, SD23B/0347

• 27 Nov 2023Withdraw the application

  Front driveway tarmac & brick work <1m above ground, no alteration to vehicular entrance

  Declaration of exemption sect. 5 · South Dublin County Council, ED23/0049

• 2 Nov 2023Grant permission

  Demolition of single storey detached shed to side and /rear and erection of a new 2 storey extension to side single storey extension to rear with internal modifications and associated site works.

  Permission · South Dublin County Council, SD23B/0227

• 14 Apr 2023Grant permission for retention

  (i) A Single-storey extension to the existing kitchen annex and (ii) A flat roof attic dormer extension. All works are to the rear of the house.

  Retention · South Dublin County Council, SD23B/0166

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 Knockmitten.

Recorded monuments

• DU017-043 Enclosure
  Description

  Situated on a NE facing slope close to the Camock River. An aerial photograph taken in 1971 (FSI 227/8) shows cropmark evidence for a subcircular enclosure (diam. c. 38m). Possibly a levelled ringfort. There is a housing estate on the site. Not visible at ground level. Compiled by: Geraldine Stout Date of upload: 26 August 2011

• DU017-128 Kiln - lime
  Description

  Limekiln depicted on the 1837 ed. OSi six-inch map.  Not indicated on the last edition of the OSi six-inch map. No surface remains visible.  Modern housing estate built on site of kiln as shown on the 2013-18 MapGenie orthoimage.   Compiled by: Caimin O'Brien   Date of Compilation: 26 November 2025

Architectural heritage

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

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 moderately low, 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_3122 (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 Knockmitten with five sales or more. The sales of the area are on the page of Co. Dublin.

Name

Knockmitten · Cnoc Mitin

Area

711,229 m² (71.12 ha, 175.75 acres)

Civil parish

Clondalkin, and its townlands

Barony

Uppercross

Electoral division

Clondalkin-Monastery, the unit of the census

Census 2022

Clondalkin-Monastery electoral division: 11,357 people in 3,933 households; 67% of households own their home; 24% of homes were built since 2001; 4% of dwellings stood vacant on census night, and 0% were holiday homes.

Neighbouring townlands

Clondalkin, Fox-And-Geese, Fox-And-Geese Common, Gallanstown, Redcow, Yellowmeadows

Placenames

Knockmitten 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.