140, Mount Prospect Avenue, Dublin 3, D03X942
Demolition of a rear extension and construction of a part-single, part-two-storey extension.
4876/23 · Dublin City Council · Lodged 29 November 2023
- Reference
- 4876/23
- Authority
- Dublin City Council
- Register status
- Decided
- Type
- Permission
- Received
- 29 November 2023
Summary
AI-generatedThe project involves demolishing an existing single-storey rear extension to build a part-single, part-two-storey extension to the rear and side. It also includes converting the garage, adding a rear attic dormer, a new front bay window, and modifying the vehicular entrance.
Generated from the description above by an AI model and may contain mistakes. The council’s description is the authoritative record.
Official record
Development description
Planning permission is sought by the applicant for development at no. 140 mount prospect avenue, clontarf, dublin 3, d03x942. The development will consist of: (i) demolition of the single storey extension to the rear of the existing dwelling; (ii) the construction of a part single, part two storey extension to rear and side; (iii) first floor extension to the side with pitched roof over; (iv) conversion of existing attached garage to side and front of dwelling to habitable space; (v) construction of a new attic level dormer window to the rear; (vi) amendments to existing vehicular entrance off mount prospect avenue, including provision of new pedestrian entrance; (vii) new double height bay window to front; (viii) alterations to all elevations, associated landscaping, boundary treatment and all ancillary and ground works necessary to facilitate development.
Land-use zoning
What this land is zoned for
“To protect, provide and improve residential amenities.”
National zoning type: Existing residential
Objective set by the Development Plan 2022-2028 (2022–2028). The planning authority decides each application on its own merits — this is the zoning context, not a compliance assessment.
Read the zoning objectives in the development planBuilt & sold
What happened next
Beyond the decision: whether this development was built, and what property here has sold for.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 21 Prospect Bay, Mount Prospect Avenue, Clontarfprice excludes VAT | Nov 2025 | €514,675 | 47 m |
| 7 Prospect Bay, Mount Prospect Avenue, Dublin 3price excludes VAT | Jan 2025 | €629,956 | 47 m |
| 69 Park Lawn, Clontarf, Dublin 3 | Jul 2025 | €950,000 | 98 m |
| 181 Mount Prospect Avenue, Clontarf, Dublin 3 | Jan 2025 | €2,150,000 | 125 m |
| 54 Mount Prospect Grove, Clontarf, Dublin 3 | Nov 2025 | €850,000 | 172 m |
| 53 Mount Prospect Grove, Clontarf, Dublin 3 | Sept 2025 | €785,000 | 175 m |
| 14 Mount Prospect Dr, Clontarf, Dublin 3 | Feb 2025 | €710,000 | 229 m |
| 88 Mount Prospect Ave, Clontarf, Dublin 3 | May 2026 | €1,900,000 | 246 m |
Nearby properties, not this site — a guide to local values.
Sources: Building Control Management System (commencement notices) and the Residential Property Price Register, licensed under CC BY 4.0. Records are matched to this application by location and may not be exhaustive; always confirm against the official source before relying on them.
Key dates
Timeline
- Application received29 November 2023
- Decision due19 April 2024
- Decision issued19 April 2024
- Permission expiry13 July 2029
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Refused40 m away
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3617/22Dublin CityLodged 28 Mar 2022Infrastructure
- Withdrawn40 m away
Permission for a 25m multi3-user telecommunications structure in the form of a replica cypress tree carrying…
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3436/22Dublin CityLodged 4 Mar 2022Infrastructure
- Refused60 m away
The change of use and renovation of existing granny flat to residential use, the creation of a new rear 45m2…
149, Mount Prospect Avenue, Clontarf, Dublin 3
WEB1116/19Dublin CityLodged 4 Mar 2019Change of use
- Granted70 m away
Planning permission is sought for alterations and extensions to existing dwelling. The application includes…
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2824/21Dublin CityLodged 25 May 2021Extension
- Granted80 m away
Planning permission for Alterations to existing hip roof to create gable roof to side to accommodate attic…
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WEB1168/23Dublin CityLodged 2 Mar 2023Extension
- Granted90 m away
Conversion of his attic to storage, including changing the existing hipped end roof to a gable end roof, a…
5, Mount Prospect Grove, Clontarf, Dublin 3
WEB1051/18Dublin CityLodged 8 Feb 2018Extension
- Invalid90 m away
Planning permission sought for a single storey granny flat to the side including a small extension and two…
50, Park Lawn, Clontarf, Dublin 3
4188/19Dublin CityLodged 10 Oct 2019Extension
- Granted90 m away
Planning permission sought for a single storey granny flat consisting of the conversion and extension of…
50, Park Lawn, Clontarf, Dublin 3
4417/19Dublin CityLodged 8 Nov 2019Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedExtension
Planning permission is sought for alterations and extensions to an existing property at 97, Mount Prospect…
97, Mount Prospect Avenue, Clontarf, Dublin 3
2648/20Dublin CityLodged 20 Apr 2020
- WithdrawnExtension
Planning Permission is sought for works to the existing two storey detached dwelling at 14A Mount Prospect…
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- InvalidExtension
The Development will consist of — Demolition of existing garage and rear extension
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WEB1462/21Dublin CityLodged 27 Apr 2021
- InvalidExtension
Planning Permission at 101 Mount Prospect Drive, Clontarf, Dublin 3 for the demolition of the existing…
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3585/24Dublin CityLodged 25 Apr 2024
- GrantedExtension
Proposed (1) one & 2-storey extension to rear (2) first floor extension to side, over an existing…
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WEB1674/24Dublin CityLodged 29 May 2024
- GrantedExtension
Planning permission is sought by Tom and Emer Coghlan for alterations and extensions to an existing property…
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3504/19Dublin CityLodged 16 Jul 2019
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