Knockmitten
Knockmitten is a townland in the civil parish of Clondalkin, barony of Uppercross, Co. Dublin. Its name in Irish is Cnoc Mitin.
Parcel 1765529
- Area
- 62,334 m² (6.23 ha, 15.4 acres)
- Buildings
- 8 buildings touch it. Their footprint covers 210 m².
- Zoning
- R2 RES (South Dublin County Development Plan 2022-2028) The objective
G1 OS (South Dublin County Development Plan 2022-2028) The objective
M3 LC (South Dublin County Development Plan 2022-2028) The objective - Townland
- Knockmitten
Planning applications on this parcel
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
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
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
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
20 Jul 2022Invalid - site notice
Single storey front, side and rear extension with roof windows comprising of a utility room and living room and all associated site works.
Permission · South Dublin County Council, SD22B/0333
20 Dec 2021Grant permission
Side first floor extension for an additional bedroom; raise roof of single storey extension to the rear; two windows to the side of new first floor bedroom.
Permission · South Dublin County Council, SD21B/0640
11 Nov 2021Grant permission & grant retention
Retention sought for the removal of the ground floor internal courtyard with canopy over as per Planning Ref SD013A/0047; Works to include, external canopy above roof level removed, new storage room created at first floor level; ground floor area incorporated into lounge area; permission for reduction in size of lounge floor area; works to include new entrance doors to Lounge area within building elevation facing car park; new external fire exit door from Lounge area to open space to rear of the building; internal walls forming snug demolished complete ;Floor area included within lounge area; kitchen extension within part of previous Lounge area; relocation of Off Licence into previous Lounge area; entrance doors to Off Licence are previous entrance doors to lounge area; works to include new window to Off Licence within building elevation facing car park; change of use of previous Off Licence to takeaway; internal layout changes to lounge area public toilets; remove internal doors between Lounge area and entrance.
Permission and retention · South Dublin County Council, SD21A/0205
3 Nov 2021Refuse ext. of duration of permission
Semi-detached two storey private dwelling adjoining existing two storey family home with all ancillary works.
Extension of duration of permission · South Dublin County Council, SD16A/0215/EP
12 Apr 2019Grant permission
Single storey front and side extension with a pitched roof over to include a front entrance porch, music room and utility room; single storey rear extension to contain a family room; some internal alterations of ground floor level and reduction of first floor side landing window.
Permission · South Dublin County Council, SD19B/0155
27 Jul 2018Grant permission
Single storey front, side and rear extension with forward projecting front entrance porch. Various internal alterations on ground floor.
Permission · South Dublin County Council, SD18B/0327
21 Jun 2017Grant permission
New 2 storey semi-detached dwelling to side of existing house, consisting of 3 bedrooms on first floor and lounge and kitchen facilities on ground floor. New vehicular entrance which will require works to grassed area and footpath to the north of the site to include 2 car parking spaces and all associated site works.
Permission, 1 home · South Dublin County Council, SD17A/0104
17 Nov 2016Grant permission
Installation of 2 'Velux' type roof windows on the front slope to service the existing internal areas of the dwelling for domestic use.
Permission · South Dublin County Council, SD16B/0373
21 Jun 2016Grant permission
Semi-detached two storey private dwelling adjoining existing two storey family home with all ancillary works.
Permission, 1 home · South Dublin County Council, SD16A/0215
15 Apr 2016Declared withdrawn
New 2 storey demi detached dwelling to side of existing house, consisting of 3 bedrooms on first floor and lounge and kitchen facilities on ground floor and all associated site works.
Permission · South Dublin County Council, SD16A/0124
30 Jul 2015Invalid - site notice
Excavation of the existing unused parking lot and the construction of one residential, two bedroom dwelling. Work will include a new connection to Dublin City water mains, and landscaping to the front and rear, including 1 no. car parking space.
Permission, 1 home · South Dublin County Council, SD15A/0219
21 Mar 2013Grant permission for retention
Retention of 2 no. canopies above roof level, over new ground floor; internal courtyard and new first floor rooftop terrace.
Retention · South Dublin County Council, SD13A/0047
15 Feb 2012Grant permission for retention
Retention of timber shopfront & fascia to car park side & road side elevations.
Retention · South Dublin County Council, SD12A/0031
8 Apr 2011Grant permission
Single storey, detached structure at rear garden, comprising hobby room, wc & storage.
Permission · South Dublin County Council, SD11B/0005
11 Aug 2010Grant permission
10 year permission for a mixed use development comprising commercial (non-retail) use (c. 24259sq.m. gfa), 6 no. retail units (c. 1764sq.m. gfa), a crèche (c. 765sq.m. gfa), a cafe/restaurant (c. 400sq.m.), a management office suite (c. 111sq.m. gfa) and 380 no. residential units, all of which is to be accommodated in 18 no. blocks ranging in height from 2 to 8 storeys. Commercial (non-retail) uses to include general enterprise, medical and office based services coming under the definition of Class 2, 3 & 8 of the Planning and Development Regulations 2001, in Blocks A1, A2, B1, C, D1, D2 and E. 1 no. retail unit measuring c. 316sq.m. gfa is located at ground floor level in Block A2 and 5 no. retail units measuring c. 110sq.m., c. 450sq.m., c. 312sq.m., c. 220sq.m. and c. 356sq.m. gfa each are located at ground floor level in Block B2. The proposed crèche is located at ground floor level in Block D1. The proposed cafe is located at ground and first floor level in Block E. The proposed management office suite, to be made available also as a communal space for local residents is located at ground floor in Block E. Residential units are accommodated in Blocks B2, D3, E, F1, F2, G1, G2, H, J, K1, K2 & K3 and comprise 76 no. 3-bed duplex units, 51 no. 3-bed apartment units, 1 no. 2-bed duplex unit, 237 no. 2-bed apartment units and 15 no. 1-bed apartment units. All associated site development and ancillary works, including demolition of 2 no. habitable dwellings (nos. 13 & 15 St. Brigid's Cottages); dismantling of other existing non-residential structures on site, vehicular access via 1 no. existing site entrance with modifications to the roundabout junction on Monastery Road that provides access to the former quarry area and existing SIAC HQ building form its southwestern arm and to Woodford Hill from its northeastern arm and 1 no. new left-in, left-out site entrance opposite Monastery Gate Avenue; 1440 no. basement car parking spaces including the replacement of 67 no. existing spaces serving Dolcain House (SIAC HQ building) and 97 no. surface spaces; signage; pedestrian and cycle routes; bicycle parking spaces; hard and soft landscaping and boundary treatments; foul and surface water drainage and water supply infrastructure, including 3 no. surface water attenuation tanks and an extension of a foul sewer approximately 1.7km north from the site, eastwards past the Monastery Gate housing estate and northwards along the western boundary of the M50 motorway to the Council's public sewer 9B adjacent to the Camac River; 1 no. wood pellet bio fuel boiler district heating system and supplementary natural gas boilers; 6 no. new and 1 no. replacement ESB substations and associated switch rooms; local bin stores, central compactors and waste storage areas; associated plant and storage areas on a site (c. 6.8ha, including c. 1.7ha sewer extension) at the SIAC HQ lands, Monastery Road and Knockmeenagh Lane and Nos. 13 & 15 St. Brigid's Cottages, Clondalkin. Significant Further Information: The principal changes relate to the scale, massing and layout of the proposed development, full details of which can be obtained by reference to the public planning file.
Permission, 380 homes · South Dublin County Council, SD10A/0064
12 Apr 2010Grant permission
Alterations to previously approved development (Reg. Ref. SD09B/0451) comprising: a) replacement of previously approved flat roof profile to extended areas with pitched roof profile.
Permission · South Dublin County Council, SD10B/0145
25 Nov 2009Grant permission
Alterations & extensions to existing part two storey three bedroom semi-detached dwelling comprising: (a) construction of a new two storey extension to the side with cantilevered section at first floor and new part two storey/part single storey extension to rear which will increase the habitable floor area from 77.0 sq. m. to 173.4 sq. m. and increase the number of bedrooms from three to four; (b) elevational alterations including change in roof profile to existing porch; (c) construction of a new 9.7 sq. m. single storey shed to rear and (d) all associated siteworks.
Permission · South Dublin County Council, SD09B/0451
5 Nov 2009Grant permission for retention
Retention of 'as built' works comprising ground and first floor extension to rear with a floor area of 16.76sq.m.
Retention · South Dublin County Council, SD09B/0428
The 25 most recent of 73 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 this parcel.
Recorded monuments around it
This parcel is in the zone of notification of 1 recorded monument.
- 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
Architectural heritage
No building of the National Inventory of Architectural Heritage stands on this parcel.
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
- At the centre of this parcel, about 1 in 20 homes in this area is likely to have high radon levels. Testing a home
- Landslides
- The 1:50,000 map rates the landslide susceptibility here as low, partly inferred.
- Terrain model
- LiDAR of the Office of Public Works, flown in 2011, at 2 m: tile OPW_3087 (ZIP).
- Flooding
- The Office of Public Works publishes its flood maps on floodinfo.ie.
Radon Risk Map of Ireland, Environmental Protection Agency, and Landslide Susceptibility Classification, Geological Survey Ireland, both under 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.
Download this parcel as DXF, in Irish Transverse Mercator metres, with its neighbours and buildings, for a drawing program. GeoJSON, in WGS 84, suits a map, and KML opens in Google Earth.
Registered freehold land, Tailte Éireann, CC BY 4.0. 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.
- Area
- 71.1 ha
- 176 acres
- Land parcels
- 1,369
- registered freehold, median 164 m²
- Zoning
- R2
- RES
- Planning
- 100
- applications since 2010
Land parcels
Registered freehold land, Tailte Éireann
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 as DXF, in Irish Transverse Mercator metres, with its boundary, parcels and buildings, or as GeoJSON or KML.
Zoning
Development plans, national zoning
- 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.
Planning applications
Sites that touch the townland, newest first
4 Sept 2026Provisional recommendation
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 2026Refuse permission
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.
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 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).
Ground and risks
Radon, landslides, flooding
- Radon
- At the centre of the townland of Knockmitten, about 1 in 20 homes in this area is likely to have high radon levels. Testing a home
- Landslides
- The 1:50,000 map rates the landslide susceptibility here as moderately low, low, partly inferred.
- Terrain model
- LiDAR of the Office of Public Works, flown in 2011, at 2 m: tile OPW_3122 (ZIP).
- Flooding
- The Office of Public Works publishes its flood maps on floodinfo.ie.
Radon Risk Map of Ireland, Environmental Protection Agency, and Landslide Susceptibility Classification, Geological Survey Ireland, both under 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 Knockmitten with five sales or more. The sales of the area are on the page of Co. Dublin.
The townland
- 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
- 11,357 people lived in 3,933 households in the Clondalkin-Monastery electoral division. 67% of households owned 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.