34, Mount Prospect Avenue, Clontarf, Dublin 3
Data updated 12 Sept 2026 · register lag up to 7 days · sources & freshness
WEB1433/25 is a planning application for permission at 34, Mount Prospect Avenue, Clontarf, Dublin 3, received by Dublin City Council on 4 Mar 2025 and first seen by Planning Register on 11 Sept 2026. The application describes: The proposed development will consist of: 1. The demolition of the existing ground-floor single-storey extension to the rear. 2. The demolition of the single-storey pitched roof structure to the west side of the dwelling, along with the removal of the hipped roof above, and the proposed construction of a two-storey hipped roof extension with rooflights to the west side. 3. The construction of a single-storey flat roof extension with rooflights and a covered terrace to the rear. 4. The demolition of the existing single-storey boiler house to the rear with replacement construction of a single-storey flat roof garden shed. 5. Removal of portion of the existing roof to the rear for the construction of a flat roof attic dormer window. 6. Proposed internal modifications throughout. 7. Proposed alterations to each elevation and all associated site works. The council granted permission on 28 Apr 2025. The five-week observation window closed on 8 Apr 2025. A commencement notice (CN0138431DC) was lodged on 16 Feb 2026, so works have started on site. The site is zoned null under the Dublin City Council development plan. Within 500 m there are 156 other decided applications in the last five years and 11 appeals.
Proposal
The proposed development will consist of: 1. The demolition of the existing ground-floor single-storey extension to the rear. 2. The demolition of the single-storey pitched roof structure to the west side of the dwelling, along with the removal of the hipped roof above, and the proposed construction of a two-storey hipped roof extension with rooflights to the west side. 3. The construction of a single-storey flat roof extension with rooflights and a covered terrace to the rear. 4. The demolition of the existing single-storey boiler house to the rear with replacement construction of a single-storey flat roof garden shed. 5. Removal of portion of the existing roof to the rear for the construction of a flat roof attic dormer window. 6. Proposed internal modifications throughout. 7. Proposed alterations to each elevation and all associated site works.
- Status
- Decision Notice Issued
- Decision
- Grant permission on 28 Apr 2025
- Final grant
- 3 Jun 2025
- Site (from polygon)
- 591 m²
- Location precision
- site (coords_polygon)
Timeline
- 4 Mar 2025New applicationObservation window closed 8 Apr 2025
- 28 Apr 2025DecisionAppeal window closed 26 May 2025

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1 Where this is — preview
1 Deadlines still open
Appeal
Not appealed.
Commencement
- Opt out commencement notice CN0138431DC
Zoning at the site
Zone Z1 - DEV PLAN 2022-2028
Z1: Sustainable Residential Neighbourhoods: To protect, provide and improve residential amenities.
An established residential area. The objective is to protect existing residential amenity as well as to provide housing — which is the objective a neighbour's objection to an overbearing extension is usually argued under.
Designations within 250 m
No OPW flood extent nearby.
- NIAH-recorded building · 1
- Radon risk area · 1
Provenance
Register row from the national planning applications feed (NPAD), fetched 11 Sept 2026, 18:51 (store id 82575). Deadlines were computed by the store from the received / decided dates under the Planning and Development Act 2000 and are recorded as events, not recomputed here.
Source: npad · fetched 11 Sept 2026, 18:51
| Source | Licence | Fetched | Link |
|---|---|---|---|
| npad | CC-BY-4.0 | 11 Sept 2026, 18:51 | open |