55 Hermitage Park, Rathfarnham, Co. Dublin, D16 HX29
New raised roof structure to create second-floor living space in Rathfarnham.
SD26B/0024W · South Dublin County Council · Lodged 22 January 2026
- Reference
- SD26B/0024W
- Authority
- South Dublin County Council
- Register status
- Decided
- Type
- Permission
- Received
- 22 January 2026
Summary
AI-generatedThe development proposes a new raised roof structure to provide habitable accommodation at second-floor level. The works will include connection to public services and all necessary ancillary site works.
- Storeys
- 3
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
New raised roof structure to provide habitable accommodation at second floor level. Connection to all public services. All necessary ancillary works to facilitate this development.
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 |
|---|---|---|---|
| 7 Hermitage Downs, Rathfarnham, Dublin 16 | Jul 2025 | €640,000 | 52 m |
| 30 Eden Crescent, Rathfarnham, Dublin 16 | Feb 2026 | €800,000 | 56 m |
| 3 Hermitage View, Grange Rd, Rathfarnham Dublin 16 | Dec 2025 | €1,000,000 | 133 m |
| 12 Hermitage Grove, Rathfarnham, Dublin 16 | Oct 2025 | €958,000 | 151 m |
| 4 Mount Eden, Grange Rd Rathfarnham, Dublin 16 | Apr 2025 | €615,000 | 157 m |
| 10 Hermitage View, Rathfarnham, Dublin 16 | Sept 2025 | €917,500 | 181 m |
| 209 Grange Rd, Rathfarnham, Dublin 16 | Apr 2025 | €1,190,000 | 233 m |
| 6 Hermitage Court, Rathfarnham, Dublin 16 | Jan 2025 | €805,000 | 256 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 received22 January 2026
- Decision due18 March 2026
- Decision issued12 March 2026
- Permission expiry21 April 2031
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
New raised roof structure to provide habitable accommodation at second floor level. Connection to all public…
55, Hermitage Park, Rathfarnham, Co. Dublin, D16 HX29
SD26B/0012WSouth DublinLodged 9 Jan 2026Extension
- GrantedAt this site
Alterations to approved plans Ref. No. S98B/0726
55 Hermitage Park, Rathfarnham, Dublin 16.
S00B/0005South DublinLodged 5 Jan 2000Alterations
- GrantedAt this site
(1) The construction of a single storey extension with roof lights to the rear of the existing two storey…
59, Hermitage Park, Rathfarnham, Dublin 16
SD11B/0112South DublinLodged 29 Mar 2011Extension
- GrantedAt this site
Construction of single storey and two storey extension to rear of existing two storey detached house. New…
59, Hermitage Park, Rathfarnham, Dublin 14
SD08B/0589South DublinLodged 14 Aug 2008Extension
- Granted40 m away
Demolition of existing single storey extension to rear and construction of new single storey extension to…
16, Hermitage Downs, Rathfarnham, Dublin 16
SD03B/0331South DublinLodged 20 Jun 2003Extension
- Granted50 m away
Conversion of our existing attic space to habitable room (18m2) with 1 no. velux window to side (northeast)…
8, Hermitage Downs, Dublin 16
SD08B/0077South DublinLodged 12 Feb 2008Extension
- Refused50 m away
Conversion of our existing attic space to a habitable room (23.8sqm) with 1 no. dormer window to side (north…
8, Hermitage Downs, Dublin 16
SD07B/0900South DublinLodged 5 Nov 2007Extension
- Granted50 m away
A new single storey ground floor extension to rear of property, with flat roof and roof windows. Convert…
30, Eden Crescent, Rathfarnham, Dublin 16, D16P4F4
SD25B/0428WSouth DublinLodged 2 Jul 2025Extension
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
The removal of the existing roof and the addition of a second floor accommodation, with all ancillary site…
46 Georges Street Lower, Dun Laoghaire, Co. Dublin
D23A/0425Dún Laoghaire–RathdownLodged 17 Oct 2023
- GrantedExtension
Retain existing internal alterations and complete the conversion of roof space to habitable accommodation…
Roundwood , Mountrath , Co. Laois
21186LaoisLodged 29 Mar 2021
- Awaiting decisionExtension
Conversion of the existing attic space into habitable space, 2 no. roof windows fitted to front roof, 6 no.…
57 Waverly Avenue , Greystones , Co Wicklow
2241WicklowLodged 21 Jan 2022
- GrantedExtension
Conversion of the existing attic space into a habitable space, 2 no. roof windows fitted to front roof, 6 no.…
57 Waverly Avenue , Greystones , Co. Wicklow
22199WicklowLodged 4 Mar 2022
- RefusedExtension
Raising of rear portion of existing roof by 1.8m to a maximum height of 8.53m above ground floor level to…
41, Glen Lawn Drive, The Park, Cabinteely, Dublin 18
D09B/0095Dún Laoghaire–RathdownLodged 5 Mar 2009
- GrantedExtension
The conversion of the existing attic space into a habitable space, 2 no. roof windows fitted to front roof, 4…
58 Waverly Avenue , Greystones , Co Wicklow
2460073WicklowLodged 9 Feb 2024
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