31, Rathmore Avenue, Kilmacud, Stillorgan, Dublin, A94X6X9
Construction of a rear extension and granny flat at a house in Stillorgan, retaining the existing garage facade.
REF8124 · Dun Laoghaire Rathdown County Council · Lodged 18 September 2024
- Reference
- REF8124
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Section 5
- Received
- 18 September 2024
Summary
AI-generatedThe proposal includes a 38.8 square metre rear extension and a 1-metre side passage. The extension will accommodate additional living space and a granny flat, while the facade of the existing garage will be retained.
- Floor area
- 39 m²
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
This application proposes a 1-meter side passage and 38.8sqm extension to the rear of the property. The facade of the existing garage is to be retained and the proposed extension is to include additional living space and granny flat.
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 |
|---|---|---|---|
| 19 Hazel Ave, Kilmacud, Dublin | Aug 2025 | €745,000 | 115 m |
| 30 Hazel Ave, Stillorgan, Dublin | Apr 2025 | €370,000 | 122 m |
| 6 Rathmore Ave, Kilmacud, Blackrock | Jul 2025 | €610,000 | 140 m |
| 7 Rathmore Ave, Kilmacud, Stillorgan | Sept 2025 | €975,000 | 141 m |
| 167 Kilmacud Road Upper, Stillorgan, Dublin | Jul 2025 | €1,050,000 | 156 m |
| 1 St Kevin's Park, Kilmacud, Stillorgan | Apr 2025 | €860,000 | 163 m |
| 183 Kilmacud Road Upper, Stilorgan, County Dublin | Jan 2025 | €948,000 | 164 m |
| 6a Kilmacud Avenue, Stillorgan, Dublin | Jan 2026 | €880,000 | 179 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 received18 September 2024
- Decision due8 October 2024
- Decision issued8 October 2024
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Compliance submissionAt this site
Compliance with Condition No. 2 of Reg Ref No. D26B/0018
31, Rathmore Avenue, Kilmacud, Co. Dublin, A94X6X9
D26B/0018/C1Dún Laoghaire–RathdownLodged 9 Apr 2026Other
- Not exempt — permission neededAt this site
39.91sqm extension to the rear of the house with double pitched roof
31, Rathmore Avenue, Kilmacud, Stillorgan, Dublin, A94X6X9
REF12124Dún Laoghaire–RathdownLodged 11 Oct 2024Extension
- Exempt — no permission neededAt this site
Demolition of Garage and coal Shed (Front of Garage to be retained. Demolition of rear of house outlined in…
31, Rathmore Avenue, Kilmacud, Blackrock, Dublin, A94X6X9
REF15224Dún Laoghaire–RathdownLodged 21 Nov 2024Extension
- GrantedAt this site
The demolition of existing front dormer and rear roof, construction of a front dormer with window, second…
31, Rathmore Avenue, Kilmacud, Co. Dublin, A94X6X9
D26B/0018Dún Laoghaire–RathdownLodged 14 Jan 2026Extension
- GrantedAt this site
Permission for development consisting of the demolition of the existing rear flat roof extension and side…
29, Rathmore Avenue, Kilmacud, Stillorgan
D13B/0282Dún Laoghaire–RathdownLodged 29 Oct 2013Extension
- Granted30 m away
Planning permission to take down garage and shed at side and to construct single storey extension to side and…
25, Rathmore Avenue, Kilmacud, Blackrock, Co. Dublin
D10B/0436Dún Laoghaire–RathdownLodged 22 Oct 2010Extension
- Granted40 m away
Permission for the demolition of the single storey garage to the side of the existing semi-detached dormer…
39 Rathmore Avenue, Kilmacud, Blackrock, Co Dublin
D19B/0096Dún Laoghaire–RathdownLodged 20 Feb 2019Extension
- Granted40 m away
Permission for development at this site. The development will consist of: amendments to the previously…
39, Rathmore Avenue, Kilmacud, Blackrock, Co. Dublin
D19B/0313Dún Laoghaire–RathdownLodged 26 Jun 2019Alterations
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
Development consisting of the provision of a side extension for a granny flat; retention of existing…
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- Awaiting decisionExtension
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2139980Cork CityLodged 9 Mar 2021
- GrantedExtension
The erection of a single storey side extension "Granny Flat" (127.9m2) onto the existing two storey house…
Rathvinden , Leighlinbridge , Co. Carlow
16230CarlowLodged 13 Jul 2016
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Permission is sought for the demolition of the existing garage at the side of the house and its conversion…
15, Corrig Road, Dalkey, Co. Dublin, A96 N2K8
D17A/0964Dún Laoghaire–RathdownLodged 27 Oct 2017
- GrantedExtension
Proposed side/rear single storey extension with conversion of garage for use as own door access ancillary…
145, Shanliss Avenue, Santry, Dublin 9, D09 F9X5
WEB5087/21Dublin CityLodged 9 Nov 2021
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