23, Cedarmount Road, Mount Merrion, County Dublin, A94P9K7
Demolition of a garage and construction of a single-storey side and rear extension with an attic conversion in Mount Merrion.
D22B/0189 · Dun Laoghaire Rathdown County Council · Lodged 7 June 2022
- Reference
- D22B/0189
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 7 June 2022
Summary
AI-generatedThe project involves the demolition of an existing garage, toilet, and some external walls. The applicant plans to build a single-storey extension to the side and rear, redesign the roof, convert the attic, and install a flat roof dormer window at the rear.
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
Permission for an extension and refurbishment. The development will consist of the demolition of the existing garage, wc and some existing external walls. We intend to erect a single storey extension to the side and rear of the property, redesign the roof, convert the attic and add a flat roof dormer on the rear roof.
Land-use zoning
What this land is zoned for
“A To provide residential development and improve residential amenity while protecting the existing residential amenities”
Objective set by the COUNTY 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.
Built — construction complete
A commencement notice records works starting on 13 March 2023.
Notified floor area: 176 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 21 Cedarmount Rd, Mount Merrion, Dublin | Nov 2025 | €910,000 | 12 m |
| 35 Cedarmount Rd, Mount Merrion, Blackrock | Mar 2026 | €880,000 | 51 m |
| 52 Cedarmount Road, Mount Merrion, Co Dublin | Nov 2025 | €1,000,000 | 53 m |
| 71 Trees Road, Mount Merrion, Co Dublin | Aug 2025 | €1,480,000 | 61 m |
| 49 Cedarmount Rd, Mount Merrion, Blackrock | Aug 2025 | €830,000 | 97 m |
| 23 Glenabbey Road, Mount Merrion, Co Dublin | Nov 2025 | €1,410,000 | 134 m |
| 64 South Ave, Mount Merrion, Dublin | Mar 2026 | €1,390,000 | 166 m |
| 66 South Ave, Mount Merrion, Dublin | Feb 2025 | €1,255,000 | 172 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 received7 June 2022
- Decision issued30 June 2022
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- GrantedAt this site
Retention permission is sought for a previous garage conversion with a hipped roof above; Permission is…
25, Cedarmount Road, Mount Merrion, Co Dublin
D07B/0590Dún Laoghaire–RathdownLodged 28 Jun 2007Retention
- InvalidAt this site
Retention permission sought for a previous garage conversion with a hipped roof above; Planning permission is…
25, Cedarmount Road, Blackrock, Dublin
D07B/0278Dún Laoghaire–RathdownLodged 29 Mar 2007Extension
- GrantedAt this site
Permission for works at an existing semi-detached three-bedroom single dwelling; (i) the widening of the…
19 Cedarmount Road, Mount Merrion, Co Dublin
D14A/0798Dún Laoghaire–RathdownLodged 27 Feb 2015Extension
- RefusedAt this site
Planning retention is sought for pitched roof over approved two storey extension (Register Reference…
29, Cedarmount Road, Mount Merrion, Co. Dublin
D07B/0924Dún Laoghaire–RathdownLodged 13 Nov 2007Retention
- GrantedAt this site
Single storey porch with pitched roof, change of use from existing garage to dwelling area, singel storey…
29, Cedarmount Road, Mount Merrion, Co. Dublin
D05B/0613Dún Laoghaire–RathdownLodged 10 Aug 2005Extension
- Granted30 m away
Retention for the gable roof profile to existing two storey extension
29, Cedarmount Road, Mount Merrion, Co. Dublin
D09B/0292Dún Laoghaire–RathdownLodged 7 Jul 2009Retention
- Refused30 m away
Retention permission is sought for 2 no. existing dormer windows at roof level to the south elevation at this…
29, Cedarmount Road, Mount Merrion, Co. Dublin
D07B/0557Dún Laoghaire–RathdownLodged 20 Jun 2007Retention
- Invalid30 m away
Planning permission is sought for retention for the gable roof profile to existing two storey extension
29, Cedarmount Road, Mount Merrion, Co. Dublin
D09B/0137Dún Laoghaire–RathdownLodged 3 Apr 2009Retention
Related developments
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Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
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Permission for the demolition of the existing garage and the existing single storey rear extension, provision…
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