27 Clonmore Road, Mount Merrion, Blackrock, County Dublin (A94 C1P3)
Ground floor rear extension, garage conversion, and internal alterations to a house.
D21A/0233 · Dun Laoghaire Rathdown County Council · Lodged 6 July 2021
- Reference
- D21A/0233
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 6 July 2021
Summary
AI-generatedThe project includes a single-storey flat-roofed rear extension of 55 square metres and a patio. It also involves converting the 18 square metre side garage, relocating the main entrance, and adding roof-lights and internal alterations.
- Floor area
- 73 m²
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 the following, including all associated site-works: a) internal alterations at ground floor level including front and side facing flush roof-lights and demolition of front chimney. B) a single-storey, rear ground floor, flat roofed extension (55sq. M. ) and patio. C) conversion of the side garage (18sq. M. ) including the relocation of the main entrance from the eastern side to the converted western side and the extension of the original roof over same with a pergola in front. D) c...
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.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 33 Clonmore Rd, Mount Merrion, Dublin | Apr 2026 | €1,425,000 | 32 m |
| 32 South Ave, Mount Merrion, Dublin | Jan 2026 | €1,725,000 | 113 m |
| 7 Clonmore Rd, Mount Merrion, Dublin | Sept 2025 | €1,400,000 | 122 m |
| 28 South Ave, Mount Merrion, Dublin | Sept 2025 | €1,400,000 | 123 m |
| 24 South Ave, Mount Merrion, Dublin | Dec 2025 | €1,580,000 | 134 m |
| 71 Trees Road, Mount Merrion, Co Dublin | Aug 2025 | €1,480,000 | 160 m |
| Thornhill, Cherry Garth, Mount Merrion | Aug 2025 | €1,750,000 | 201 m |
| 62 Thornhill Oaks, Blackrock, Co. Dublinprice excludes VAT | Mar 2026 | €859,031 | 201 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 received6 July 2021
- Decision issued28 July 2021
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Granted30 m away
Permission for construction of a dormer window in the main roof to the rear of the house as well as the…
23, Clonmore Road, Mount Merrion, Blackrock, Dublin, A94A0V5
D23B/0601Dún Laoghaire–RathdownLodged 22 Dec 2023Extension
- Granted30 m away
Alterations and additions to an existing semi-detached single storey bungalow, comprising the demolition of…
23 Clonmore Road, Mount Merrion, Co. Dublin
D14B/0278Dún Laoghaire–RathdownLodged 31 Oct 2014Extension
- Granted50 m away
Permission for development consisting of the renovation of existing two storey house; the construction of a…
17, Thornhill Road, Mount Merrion, Co. Dublin
D13A/0256Dún Laoghaire–RathdownLodged 23 May 2013Extension
- Granted50 m away
Permission for development at this site. The development will consist of — Demolition of existing garage
17, Thornhill Road, Mount Merrion, Dublin, A94EOW6
D20B/0358Dún Laoghaire–RathdownLodged 25 Feb 2021Extension
- Granted50 m away
Raising pitched roof of existing extension to front. Alterations to front elevation including tyrolene…
15 Thornhill Road, Mount Merrion, Co. Dublin.
D02B/0436Dún Laoghaire–RathdownLodged 11 Jun 2002Extension
- Granted50 m away
Demolition of existing single storey extension to front, side and rear. Construction of new single storey…
15 Thornhill Road, Mount Merrion, Co. Dublin.
D02B/0895Dún Laoghaire–RathdownLodged 4 Dec 2002Extension
- Granted50 m away
Single storey extension to side and rear of existing residence with new porch and associated works.…
13 Thornhill Road, Mount Merrion, Co. Dublin.
D02B/0091Dún Laoghaire–RathdownLodged 1 Mar 2002Extension
- Granted60 m away
Permission is sought for demolition of double garage and existing extension to side and construction of…
41, Clonmore Road, Mount Merrion, Co. Dublin
D09B/0542Dún Laoghaire–RathdownLodged 24 Dec 2009Extension
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