Twinhall, 49 Sweetmount Avenue, Dundrum, Dublin 14
Attic conversion with a rear dormer window and a new front bay window at 49 Sweetmount Avenue.
D16B/0056 · Dun Laoghaire Rathdown County Council · Lodged 16 February 2016
- Reference
- D16B/0056
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 16 February 2016
Summary
AI-generatedThis application seeks permission to convert the existing attic space into habitable use. The works will include adding a rear-facing dormer window and constructing a new ground-floor bay window on the front elevation.
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. The conversion of existing attic space to habitable use to include the addition of a rear facing dormer style window. B. The addition of a ground floor bay window to the front elevation of existing dwelling.
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 |
|---|---|---|---|
| 55 Sweetmount Ave, Dundrum, Dublin 14 | Apr 2026 | €755,000 | 15 m |
| 113 Weston Park, Dundrum, Dublin 14 | Jun 2026 | €985,000 | 107 m |
| 35 Sweetmount Park, Dundrum, Dublin 14 | Jan 2025 | €737,535 | 128 m |
| 45 Laurel Rd, Churchtown, Dublin 14 | Dec 2025 | €800,000 | 151 m |
| 41 Laurel Rd, Churchtown, Dublin 14 | Apr 2025 | €795,000 | 162 m |
| 77 Sweetmount Ave, Dundrum, Dublin 14 | Sept 2025 | €1,025,000 | 172 m |
| 137 Weston Park, Dundrum, Dublin 14 | Mar 2025 | €805,000 | 206 m |
| 180 Barton Rd East, Dundrum, Dublin 14 | Oct 2025 | €870,000 | 209 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 received16 February 2016
- Decision issued11 April 2016
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- WithdrawnAt this site
Permission for demolition of the existing extension and the construction of a rear two storey extension with…
53 Sweetmount Avenue, Dundrum, Co Dublin
D14B/0237Dún Laoghaire–RathdownLodged 3 Jul 2014Extension
- GrantedAt this site
Permission for the construction of a rear first storey extension above the existing extension with associated…
53 Sweetmount Avenue, Dundrum, Co Dublin
D14B/0304Dún Laoghaire–RathdownLodged 28 Aug 2014Extension
- GrantedAt this site
Permission for attic conversion to a non-habitable storage space with a dormer to rear to accommodate attic…
55, Sweetmount Avenue, Dundrum, Dublin 14
D21B/0244Dún Laoghaire–RathdownLodged 14 Oct 2021Extension
- GrantedAt this site
Permission for single storey extension to front, increasing attic space of non-habitable storage space,…
57 Sweetmount Avenue, Dundrum, Dublin D14
D21B/0511Dún Laoghaire–RathdownLodged 24 Sept 2021Extension
- Granted30 m away
Permission for the relocation of the existing pedestrian access from Sweetmount Drive to Sweetmount Avenue…
59A Sweetmount Avenue, Dundrum, Dublin, D14 N156
D20A/0335Dún Laoghaire–RathdownLodged 14 May 2020Alterations
- Granted30 m away
Retention permission is sought for the retention of 3 existing rooflights to the front of the house;…
59A, Sweetmount Avenue, Dundrum, Dublin 14
D11A/0164Dún Laoghaire–RathdownLodged 5 Apr 2011Retention
- Part granted, part refused30 m away
Permission for the construction of a new vehicular access with timber gates from Sweetmount Drive to two car…
59A, Sweetmount Avenue, Dundrum, Dublin D14 N156
D19A/0587Dún Laoghaire–RathdownLodged 12 Aug 2019Alterations
- Granted40 m away
Erection of two storey extension to rear
47A, Sweetmount Avenue, Dundrum, Dublin 14
D05B/0048Dún Laoghaire–RathdownLodged 31 Jan 2005Extension
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 the conversion of attic space to a habitable floor including dormer extension to rear along…
2 Mahon Drive , Mahon , Cork
2140731Cork CityLodged 10 Dec 2021
- GrantedExtension
Permission to: A. Convert existing attic space to living accommodation, including new roof window to west…
56 Westbrook Road, Dundrum, Dublin 14
D18A/0343Dún Laoghaire–RathdownLodged 10 Jul 2018
- GrantedExtension
Permission to (1) convert the existing attic space into a bedroom with dormer window in the front elevation…
5 Sylvan Bank , Church Road , Blackrock
1837869Cork CityLodged 30 Apr 2018
- RefusedExtension
Permission for dormer attic conversion, rear extension and bay windows constructed at front
78 Meadow Grove, Dublin D16 T677
D16B/0093Dún Laoghaire–RathdownLodged 11 Mar 2016
- GrantedExtension
Planning permission for conversion of existing attic space comprising of modification of existing roof…
3, Old County Glen, Crumlin, Dublin 12
4130/21Dublin CityLodged 20 Dec 2021
- GrantedExtension
Permission for development which will consist of alterations to the existing house including an attic…
No. 133 An Cimín Mór , Cappagh Road , Galway
2233Galway CityLodged 25 Feb 2022
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