42, Marian Crescent, Rathfarnham, Dublin 14.
Extension and attic conversion to a house in Rathfarnham to create two new bedrooms.
SD23B/0092 · South Dublin County Council · Lodged 11 July 2023
- Reference
- SD23B/0092
- Authority
- South Dublin County Council
- Register status
- Decided
- Type
- Permission
- Received
- 11 July 2023
Summary
AI-generatedPermission is sought to remove a ground-floor lean-to roof, extend the ground floor with a flat roof, and build a second-floor extension. The project will also reconfigure the attic space to create two bedrooms and raise the overall roof height.
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
Works to the rear to remove an existing lean too roof at ground floor; extend the ground floor and provide a flat roof; build an extension at second floor and reconfigure the existing attic space to create two bedrooms with the overall roof height also raised.
Land-use zoning
What this land is zoned for
“To protect and/or improve residential amenity”
National zoning type: Existing residential
Objective set by the South Dublin 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 |
|---|---|---|---|
| 29 Marian Crescent, Rathfarnham, Dublin 14 | Aug 2025 | €742,500 | 49 m |
| 54 Marian Crescent, Rathfarnham, Dublin 14 | Dec 2025 | €880,000 | 57 m |
| 16 Silverwood Dr, Rathfarnham, Dublin 14 | Mar 2025 | €740,000 | 113 m |
| 46 Marian Rd, Rathfarnham, Dublin 14 | Nov 2025 | €760,000 | 125 m |
| 76 Marian Crescent, Rathfarnham, Dublin 14 | Feb 2025 | €737,000 | 161 m |
| Broad Oaks, 79 Butterfield Ave, Rathfarnham Dublin 14 | Mar 2025 | €810,000 | 188 m |
| 3 Silverwood Rd, Ballyroan, Rathfarnham Dublin 14 | Jul 2025 | €715,000 | 198 m |
| Dunbeakin, Templeboy, Co Sligo | May 2026 | €55,000 | 205 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 received11 July 2023
- Decision due8 August 2023
- Decision issued8 August 2023
- Permission expiry18 September 2028
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- InvalidAt this site
Extension to rear of dwelling to provide bedrooms and associated spaces at second floor including the…
42, Marian Crescent, Rathfarnham, Dublin D14 C6X3
SD22B/0280South DublinLodged 17 Jun 2022Extension
- InvalidAt this site
Extension to rear of dwelling to provide bedrooms and associated spaces at 2nd floor including development of…
42, Marian Crescent, Rathfarnham, Dublin 14.
SD22B/0214South DublinLodged 13 May 2022Extension
- GrantedAt this site
Demolition of the existing garage, out houses and kitchen extension; construction of bedroom and extension of…
42, Marian Crescent, Rathfarnham, Dublin 14.
SD06B/0662South DublinLodged 29 Jan 2007Extension
- GrantedAt this site
Construction of a two storey extension to the rear; single storey extension to the side; widening of the…
44, Marian Crescent, Dublin 14
SD12B/0151South DublinLodged 11 Jun 2012Extension
- GrantedAt this site
2nd storey extension (dormer type) at rear
44, Marian Crescent, Dublin 14
SD13B/0280South DublinLodged 11 Nov 2013Extension
- Granted30 m away
A single storey extension to side, and all associated site works
48 Marian Crescent, Rathfarnham, Dublin 14.
SD18B/0246South DublinLodged 1 Jun 2018Extension
- Granted30 m away
Alterations to previously granted planning SD18B/0246 consisting of the ground floor extension extended 1m…
48, Marian Crescent, Rathfarnham, Dublin 14
SD19B/0239South DublinLodged 11 Jun 2019Retention
- Granted30 m away
(a) Demolition of existing garage, toilet and kitchen at ground floor; (b) construction at ground level of…
36, Marian Crescent, Dublin 14
SD09B/0440South DublinLodged 17 Nov 2009Extension
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
Demolition of existing single story lean-to-roof extension to rear — New single storey flat roof extension to…
16, Monastery Heath Square, Dublin 22, D22 PW01
SD25B/0193WSouth DublinLodged 8 Apr 2025
- GrantedExtension
Alteration and extension works. These works comprise alterations to the side/rear and internal walls,…
35, Oakley Grove, Blackrock, Co. Dublin
D06B/0722Dún Laoghaire–RathdownLodged 9 Aug 2006
- GrantedExtension
Alterations to side/rear and internal walls, extending the property to the rear at ground level by circa 7sq.…
28, Redesdale Road, Mount Merrion, Co. Dublin
D07B/0772Dún Laoghaire–RathdownLodged 13 Nov 2007
- GrantedExtension
Partial demolition of the existing hip roof to the rear, extending the attic space by building up existing…
177, Rochestown Avenue, Dun Laoghaire,Co. Dublin
D05B/0171Dún Laoghaire–RathdownLodged 14 Mar 2005
- Part granted, part refusedExtension
Construction of two storey rear extension and attic conversion with rear and side dormers along with…
38, Templeroan Park, Dublin 16
SD21B/0435South DublinLodged 21 Oct 2021
- InvalidExtension
Demolishing the existing single storey extension to the rear, construction of a new 2 storey extension to the…
24, Pigeon House Road, Ringsend, Dublin 4, D04 HH98
WEB1629/18Dublin CityLodged 29 Nov 2018
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