12 Clonmore Road, Mount Merrion, Co. Dublin
Modifications to a previously approved extension, including increases in length, width, and dormer sizes.
D20A/0077 · Dun Laoghaire Rathdown County Council · Lodged 3 February 2020
- Reference
- D20A/0077
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 3 February 2020
Summary
AI-generatedThis application proposes modifications to a previously approved development. Changes include increasing the length and width of the new side extension, widening the front and rear dormers, adding rooflights, and repositioning rooflights.
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 development. The development will consist of modifications to the previously approved application reg. Ref. D18a/0673 (original application d13a/0245/e & d13a/0245). The modifications include an increase in length by 500mm & an increase in width by 350mm of new side extension, increase in width of new front dormer by 325mm and the new rear dormer by 700mm, an additional rooflight to the side extension north roof slope and the existing house east roof slope, repositioning of roo...
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 |
|---|---|---|---|
| 13 Redesdale Rd, Mount Merrion, Dublin | Sept 2025 | €850,000 | 57 m |
| 27 Redesdale Rd, Mount Merrion, Dublin | May 2025 | €1,000,000 | 76 m |
| 7 Clonmore Rd, Mount Merrion, Dublin | Sept 2025 | €1,400,000 | 104 m |
| 10 Redesdale Rd, Mount Merrion, Co Dublin | Jun 2026 | €1,220,000 | 147 m |
| 71 Trees Road, Mount Merrion, Co Dublin | Aug 2025 | €1,480,000 | 207 m |
| 21 Cedarmount Rd, Mount Merrion, Dublin | Nov 2025 | €910,000 | 216 m |
| 2 Redesdale Court, Redesdale Rd, Mount Merrion | Nov 2025 | €650,000 | 232 m |
| 33 Clonmore Rd, Mount Merrion, Dublin | Apr 2026 | €1,425,000 | 251 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 received3 February 2020
- Decision issued25 March 2020
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
Permission for development. The development will consist of modifications to the previously approved…
12 Clonmore Road, Mount Merrion, Co. Dublin
D20A/0381Dún Laoghaire–RathdownLodged 4 Jun 2020Alterations
- GrantedAt this site
Permission for development consisting of: The demolition of the garage to the side of the existing…
12, Clonmore Road, Mount Merrion, Co. Dublin
D13A/0245Dún Laoghaire–RathdownLodged 16 May 2013Extension
- GrantedAt this site
Permission for new alterations to previously approved application nos. D13A/0245/E & D13A/0245, to include…
12 Clonmore Road, Mount Merrion, Co Dublin
D18A/0673Dún Laoghaire–RathdownLodged 12 Jul 2018Alterations
- Granted30 m away
Planning permission is sought for the partial demolition and proposed extension
16, Clonmore Road, Mount Merrion, Co. Dublin
D10B/0329Dún Laoghaire–RathdownLodged 2 Mar 2011Extension
- Granted30 m away
Partial demolition of existing semi-detached bungalow including garage and the reconstruction of dwelling…
8, Clonmore Road, Stillorgan, Co. Dublin.
D08A/0413Dún Laoghaire–RathdownLodged 11 Apr 2008Extension
- Granted30 m away
Erect a single storey extension to the rear including minor internal alterations, associated site works and…
19 Redesdale Road, Mount Merrion, Blackrock, Dublin, A94C7W3
D23A/0449Dún Laoghaire–RathdownLodged 5 Jul 2023Retention
- Granted40 m away
Permission consisting of the proposed demolition of an existing single storey rear extension and a chimney…
19, Redesdale Road, Mount Merrion, Co. Dublin
D19B/0300Dún Laoghaire–RathdownLodged 14 Jun 2019Extension
- Granted40 m away
Permission for the demolition of existing single storey out-buildings to the south and replacement with new…
Telesia, 17 Redesdale Road, Mount Merrion, C. Dublin A94 C6Y
D18B/0180Dún Laoghaire–RathdownLodged 19 Apr 2018Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- GrantedAlterations
Permission for development. The development will consist of modifications to the previously approved…
12 Clonmore Road, Mount Merrion, Co. Dublin
D20A/0381Dún Laoghaire–RathdownLodged 4 Jun 2020
- GrantedAlterations
Permission for new alterations to previously approved application nos. D13A/0245/E & D13A/0245, to include…
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D18A/0673Dún Laoghaire–RathdownLodged 12 Jul 2018
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D20B/0105Dún Laoghaire–RathdownLodged 24 Sept 2020
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Permission for development. The development will consist of: Alterations to the existing extensions to the…
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D21B/0203Dún Laoghaire–RathdownLodged 15 Nov 2021
- GrantedAlterations
Permission is sought for the following development. The development will consist of the following: Amendments…
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D21A/0994Dún Laoghaire–RathdownLodged 11 Nov 2021
- GrantedExtension
Permission for development consisting of construction of single storey extension to the side of existing…
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D14B/0243Dún Laoghaire–RathdownLodged 7 Jul 2014
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