5 Roebuck Avenue, Mt. Merrion, Blackrock, Co. Dublin, A94 TA40
Roof alterations, garage conversion, and a ground-floor rear extension.
D21A/0843 · Dun Laoghaire Rathdown County Council · Lodged 29 November 2021
- Reference
- D21A/0843
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 29 November 2021
Summary
AI-generatedThe proposal seeks to extend the roof over the existing garage, raise the ridge height, and install enlarged dormer windows. It also includes converting the garage into a bedroom and building a ground-floor rear extension.
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 to extend and alter their home. The proposal seeks to adapt the existing roof by extending over the existing garage space and raising the ridge height to align more closely with the adjacent dwelling. The works will include the provision of enlarged dormer windows to the front and rear of the property, new skylights to the eastern and western hips, the conversion of the existing garage to a new bedroom and the provision of a rear, ground floor extension to incorporate additional ki...
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.
Built — construction complete
A commencement notice records works starting on 1 November 2022. A completion certificate was lodged on 3 April 2024.
Notified floor area: 256 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| Apartment No. 7, Greysgate Hall, Mount Merrion | Jan 2025 | €640,000 | 57 m |
| Apartment 9 Greygates, Roebuck Ave, Mount Merrionprice excludes VAT | Jan 2026 | €190,000 | 70 m |
| 5 Greygates, Stillorgan Road, Mount Merrion | Jun 2025 | €1,690,000 | 110 m |
| St Anthonys, 19 Greygates, Stillorgan Rd | Oct 2025 | €1,650,000 | 122 m |
| Apt 26 The Heron Building, Thornwood, Booterstown Ave | May 2026 | €460,250 | 160 m |
| 27 The Sanderling, Thorn Wood, Booterstown Ave | Dec 2025 | €590,000 | 163 m |
| Apt 29 Sanderling, Thornwood, Booterstown Avenue | Jan 2026 | €592,000 | 163 m |
| Apt 7, The Lapwing Building, Booterstown Ave | Apr 2026 | €425,000 | 184 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 received29 November 2021
- Decision issued21 December 2021
- Appeal submitted21 January 2022
- Appeal decided25 May 2022
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- GrantedAt this site
Demolition of flat roofed extension and garage and construction of single storey (incorporating mezzanine…
3, Roebuck Avenue, Mount Merrion, Co. Dublin
D06B/0455Dún Laoghaire–RathdownLodged 22 May 2006Extension
- Part granted, part refusedAt this site
Permission for the widening of the existing vehicular entrance in the south-east corner of the site, which…
7 Roebuck Avenue, Mount Merrion, Co Dublin
D15A/0442Dún Laoghaire–RathdownLodged 8 Jul 2015Infrastructure
- Granted30 m away
Permission for the : (1) Provision of a new single storey extension to the side and rear of existing 3 bed…
9, Roebuck Avenue, Mount Merrion, Stillorgan, Co. Dublin, A94K3V6
D24A/0855/WEBDún Laoghaire–RathdownLodged 24 Oct 2024Extension
- Invalid30 m away
(1) Provision of a new single storey extension to the side and rear of existing 3 bed house, (2) reworking of…
9, Roebuck Avenue, Mount Merrion, Blackrock, Dublin, A94K3V6
D24A/0726/WEBDún Laoghaire–RathdownLodged 13 Sept 2024Extension
- Awaiting decision30 m away
Compliance with Condition No.5 of ABP-321631-25, (Reg Ref No.D24A/0855/WEB)
9, Roebuck Avenue, Mount Merrion, Stillorgan, Co. Dublin, A94K3V6
D24A/0855/WEB/C1Dún Laoghaire–RathdownLodged 14 May 2026Other
- Awaiting decision30 m away
Compliance with Condition No.3 of ABP-321631-25, (Reg Ref No.D24A/0855/WEB)
9, Roebuck Avenue, Mount Merrion, Stillorgan, Co. Dublin, A94K3V6
D24A/0855/WEB/C2Dún Laoghaire–RathdownLodged 15 Jun 2026Other
- Granted40 m away
The development will consist of the following — Demolition of existing single storey outbuildings used for…
30, The Rise, Mount Merrion, Blackrock, Co Dublin, A94X3X6
D22A/0349Dún Laoghaire–RathdownLodged 8 Nov 2022Extension
- Granted60 m away
For demolition of existing two storey detached house and construction of 22 no. residential units consisting…
Derryveigh, 16, Greygates, Stillorgan Road, Mount Merrion, Co. Dublin
D06A/0560Dún Laoghaire–RathdownLodged 13 Dec 2006Apartments
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 is sought for the construction of a ground floor rear kitchen extension, conversion of existing…
1, Sycamore Road, Dublin 16
D07B/0629Dún Laoghaire–RathdownLodged 6 Jul 2007
- GrantedExtension
Permission is sought for a) new garage conversion with new window to front; b) to build a first floor…
25, Mount Carmel Road, Goatstown, Dublin 14
D07A/0526Dún Laoghaire–RathdownLodged 23 Apr 2007
- GrantedExtension
Permission is sought for, a new front boundary wall and gates, a new two storey extension with pitched roof…
5, The Close, Mount Merrion, Co. Dublin
D17A/0558Dún Laoghaire–RathdownLodged 7 Sept 2017
- GrantedExtension
Permission is sought for extension, conversion and alteration works comprising of a new single storey…
22 Floraville Avenue, Clondalkin, Dublin 22.
SD24B/0153South DublinLodged 15 Apr 2024
- GrantedExtension
Permission for proposed alterations and additions, comprising of: A. Reconstruction of the existing former…
62 North Avenue, Mount Merrion, Co Dublin
D15B/0032Dún Laoghaire–RathdownLodged 13 Feb 2015
- GrantedExtension
Permission for an extension above the existing garage to the side of the house; the addition of a new dormer…
87 Silchester Park, Glenageary, Co Dublin
D17A/1069Dún Laoghaire–RathdownLodged 7 Dec 2017
Community
Discussion
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