5 Coolnahinch, Dundrum Road, Dublin D14 H7Y5
Construction of a ground-floor rear extension, first-floor dormer extension, and conversion of a rear shed into a garden room.
D18B/0504 · Dun Laoghaire Rathdown County Council · Lodged 15 November 2018
- Reference
- D18B/0504
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 15 November 2018
Summary
AI-generatedThe proposed works include a new ground-floor flat-roofed rear extension, a first-floor flat-roofed dormer extension with a raised roof ridge, and front dormer windows. Additionally, the applicant plans to convert and extend an existing rear shed into a garden room.
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 a new ground floor flat roofed rear extension with roof lights comprising of internal and external alterations and demolition works of existing; a new roof light and two projecting dormer windows to the existing front pitched roof; a new first floor flat roofed dormer extension providing new habitable accommodation, including raising of roof ridge to rear and sides; a conversion and extension of existing rear shed accommodating a new garden room with gallery.
Built & 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 |
|---|---|---|---|
| No.5 Chandos Lane, Dundrum Road, Milltownprice excludes VAT | Feb 2025 | €1,070,000 | 56 m |
| 12 Millmount Terrace, Dundrum Rd, Dublin 14 | Mar 2026 | €600,000 | 78 m |
| 134 St Columbanus Rd, Milltown, Dublin 14 | Jul 2025 | €560,000 | 178 m |
| 17 Chruch Fields, Church Fields East, Dublin 15price excludes VAT | May 2025 | €352,400 | 179 m |
| 5 Millmount Grove, Dundrum Rd, Dublin 14 | Apr 2025 | €482,000 | 185 m |
| 19 Church Fields Terrace, Churchprice excludes VAT | Oct 2025 | €352,423 | 186 m |
| 26 St Columbanus Ave, Milltown, Dublin 14 | Jan 2026 | €600,000 | 202 m |
| 39 St Columbanus Ave, Milltown, Dublin 14 | Dec 2025 | €570,000 | 211 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 received15 November 2018
- Decision issued10 January 2019
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
Permission for development comprising (a) demolition of existing single storey extension and ancillary shed…
40 Hillcourt Road, Glenageary, Co. Dublin
D20A/0246Dún Laoghaire–RathdownLodged 25 Mar 2020
- GrantedExtension
Permission for construction of a new single storey extension to the rear, existing ground floor to be…
56 Wyvern Estate, Killiney, Co Dublin
D16A/0425Dún Laoghaire–RathdownLodged 13 Jun 2016
- Awaiting decisionExtension
Permission for (1) Construction of single storey extension at the rear of existing dwelling, (2) Construction…
Lochmore , 11 Saint Clares Avenue , College Road
2544131Cork CityLodged 29 Aug 2025
- Part granted, part refusedExtension
Permission for a new ground floor rear extension with glass roof, comprising of internal and external…
4 Northcote Avenue, Dún Laoghaire, Co Dublin A96 YX98
D19B/0179Dún Laoghaire–RathdownLodged 4 Apr 2019
- GrantedExtension
Permission for construction of a single storey and two storey extension to rear of existing house; bedroom…
No. 32 Priory Drive, Stillorgan, Co. Dublin A94 TW74
D19A/0537Dún Laoghaire–RathdownLodged 23 Sept 2019
- GrantedExtension
Permission for a rear extension, single-storey, flat roof (39 sqm) and the alteration and extension of the…
68 Meadow Mount, Dundrum, Dublin 16
D17B/0533Dún Laoghaire–RathdownLodged 12 Jun 2018
Community
Discussion
What local people think about this application.
Community sentiment
No votes yetNobody has voted on this application yet.
Community sentiment — a straw poll of people who visited this page, not a statutory submission. To make a valid observation you must submit it to the planning authority.
Sign in to have your say on this application.
No comments yet. Be the first to say what you think about this application.
Sign in to join the discussion on this application.
Comments are moderated and are the opinions of the people who wrote them. They form no part of the statutory planning process — to make a valid observation you must submit it to the planning authority.