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120 Mount Prospect Avenue, Clontarf, Dublin 3

GRANT PERMISSION

Planning application WEB2784/25

Dublin - Dublin City Council

Proposed Development

The development will comprise of: (i) demolition of the existing ground floor flat-roofed extension to the rear of the dwelling; (ii) conversion of the existing garage to habitable accommodation; (iii) construction of a part-single, part-two-storey flat-roofed extension to the rear and side of the existing dwelling with extended pitched roof; (iv) extension at first floor level to the side, front and rear of the dwelling; (v) A bay window to the front elevation; (vi) construction of a dormer structure at attic level to the rear of the dwelling; (vii) widening of the existing vehicular entrance onto Mount Prospect Avenue to 3.2 metres; (viii) installation of 7 roof lights; and all ancillary works, associated landscaping, boundary treatments and ground works necessary to facilitate the development.

Application Timeline

  1. Application received

    30 Jul 2025

  2. Decision due

    23 Sept 2025

  3. Decision: GRANT PERMISSION

    23 Sept 2025

  4. Grant issued

    28 Oct 2025

Application Details

Location
120 Mount Prospect Avenue, Clontarf, Dublin 3
Applicant
N/A
Application Type
Permission
Planning Authority
Dublin City Council
Site Area
546.38 ha

Timeline

Registration Date
30 July 2025
Status
Decision Notice Issued
Decision
GRANT PERMISSION
Decision Date
23 September 2025
Grant Date
28 October 2025

Location

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Planning Applications Nearby

What the council has granted and refused around this site is the best guide to how a similar application will fare.

43m
3870/21APPLICATION DECLARED INVA15 Nov 2021

Planning permission for the development consisting of the demolition of existing single storey extension and conservatory to the rear. Construction of a new single storey extension to the rear and a new single storey entrance porch to the front. Widening of existing entrance gate to front driveway along with ancillary site works.

112 Mount Prospect Avenue, Clontarf, Dublin 3

43m
3947/21GRANT PERMISSION26 Nov 2021

Permission for the development consisting of the demolition of existing single storey extension and conservatory to the rear. Construction of a new single storey extension to the rear and a new single storey entrance porch to the front. Widening of existing vehicular entrance along with ancillary site works.

112 Mount Prospect Avenue, Clontarf, Dublin 3.

49m
2329/19GRANT PERMISSION22 Feb 2019

Planning permission for conversion of attic to bedroom with new stairs, new dormer and velux to the rear roof and 2 no. velux to front roof and associated works.

10, Mount Prospect Grove, Clontarf, Dublin 3

53m
WEB1969/25GRANT PERMISSION3 May 2025

Erection of 1 No single storey detached habitable room (gross internal area 20.2m2) to include home office/games room & wc shower room and associated site works in rear garden on overall site area 535m2 (0.053ha) approx.

Applegarth, 110 Mount Prospect Avenue, Dublin 3

54m
2824/21GRANT PERMISSION25 May 2021

Planning permission is sought for alterations and extensions to existing dwelling. The application includes the removal of a large single storey rear extension, construction of a new single-storey rear extension, construction of two new bedrooms over the existing garage area, alterations to the existing front elevation including the formation of two new bay windows, formation of a partially covered patio area for outdoor dining, and widening of the existing gateway.

130, Mount Prospect Avenue, Clontarf, Dublin 3

100m
WEB1237/25GRANT PERMISSION10 Feb 2025

PERMISSION for proposed removal of existing side extension, shed and garage, construction of a new two-storey extension with hipped roof to the side of existing house, proposed increase in size of first floor window to front, changes to ground floor windows to rear and all associated site works.

102 Mount Prospect Avenue, Clontarf, Dublin 3, D03 W860

100m
WEB2139/26GRANT PERMISSION8 May 2026

The development will consist of amendments to previously granted planning application Reg Ref. WEB1237/25 to include: (i) new ground floor flat roof extension to the rear of existing dwelling with rooflights; (ii) ground floor pitched canopy roof structure to the front elevation; (iii) new rooflights at attic level; (iv) bike & bins storage to the front garden; (v) internal modifications, SUDS drainage and all associated works necessary to facilitate the development.

102, Mount Prospect Avenue, Clontarf, Dublin 3, D03W860

106m
WEB1116/19REFUSE PERMISSION4 Mar 2019

The change of use and renovation of existing granny flat to residential use, the creation of a new rear 45m2 private garden for new residential dwelling, increasing the height of existing chimney stack to allow for new stepped back first floor extension with mono pitched roof, increasing the height of existing front boundary walls with new front gates, and all associated site works.

149, Mount Prospect Avenue, Clontarf, Dublin 3

116m
4417/19GRANT PERMISSION8 Nov 2019

Planning permission sought for a single storey granny flat consisting of the conversion and extension of existing extension to the side with velux windows to the front consisting of a living/dining area, a kitchenette and bedroom with ensuite. Widening existing vehicular entrance to the front and the creation of a new pedestrian entrance gate to the back.

50, Park Lawn, Clontarf, Dublin 3

116m
4188/19APPLICATION DECLARED INVA10 Oct 2019

Planning permission sought for a single storey granny flat to the side including a small extension and two roof windows to the front, widening existing vehicular entrance and pedestrian entrance gate to the rear at No. 50 Park Lawn, Clontarf, Dublin 3 (D03 HR02.

50, Park Lawn, Clontarf, Dublin 3

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