69, Thomastown Road, Glenageary, Co Dublin, A96H1X9
Construction of a two-storey side extension to accommodate a granny flat.
D20A/0687 · Dun Laoghaire Rathdown County Council · Lodged 25 September 2020
- Reference
- D20A/0687
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 25 September 2020
Summary
AI-generatedThe development consists of a two-storey side extension to an existing semi-detached house to create a granny flat. The works include converting the existing garage and storage area into living space, a ground floor rear extension, and a first-floor extension.
- Storeys
- 2
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 is sought for the construction of a two storey extension to the side of existing two storey semi detached dwelling to accommodate a granny flat. The works will be in addition to a 37.6 sqm rear extension that is currently under construction & will include the conversion of the existing garage & storage area attached to the side of the existing dwelling into living accommodation, a ground floor extension to the rear of the garage/ storage area & a first floor extension over the exis...
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 30 June 2021.
Notified floor area: 258.2 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 152 Avondale Road, Killiney, Co Dublin | Jun 2025 | €1,000,000 | 66 m |
| 11 Hayfield Hall, Churchview Road, Killineynot full market price · price excludes VAT | Jan 2025 | €398,832 | 174 m |
| 16 Hayfield Hall, Churchview Road, Killineynot full market price · price excludes VAT | Jan 2025 | €249,663 | 174 m |
| 13 Hayfield Hall, Churchview Road, Killineynot full market price · price excludes VAT | Jan 2025 | €360,321 | 174 m |
| 14 Hayfield Hall, Churchview Road, Killineynot full market price · price excludes VAT | Jan 2025 | €386,645 | 174 m |
| 15 Hayfield Hall, Churchview Road, Killineynot full market price · price excludes VAT | Jan 2025 | €368,121 | 174 m |
| 12 Hayfield Hall, Churchview Road, Killineynot full market price · price excludes VAT | Jan 2025 | €363,246 | 174 m |
| 10 Hayfield Hall, Churchview Road, Killineynot full market price · price excludes VAT | Jan 2025 | €249,663 | 174 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 received25 September 2020
- Decision issued19 November 2020
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
Permission is sought for the construction of an extension to the existing two storey semi detached dwelling…
69 Thomastown Road, Glenageary, Co. Dublin, A96 H1X9
D21A/0171Dún Laoghaire–RathdownLodged 1 Mar 2021Extension
- GrantedAt this site
Permission for development consisting of relocating the existing vehicular access to the side of the site and…
69, Thomastown Road, Glenageary, Co. Dublin
D17A/1109Dún Laoghaire–RathdownLodged 18 Dec 2017Alterations
- GrantedAt this site
Convert the existing roof for storage purposes (non habitable status only) with 2 No. rooflights to the front…
69, Thomastown Road, Dun Laoghaire, Co. Dublin
D04B/0149Dún Laoghaire–RathdownLodged 1 Mar 2004Extension
- Awaiting decision40 m away
The development will consist of the following : (i) The demolition of an existing two storey dormer type…
156, Avondale Road, Killiney, Dublin, A96W7D0
D25A/0738/WEBDún Laoghaire–RathdownLodged 25 Sept 2025Apartments
- Refused40 m away
The development will consist of the following: (i) The demolition of an existing two storey dormer type…
156, Avondale Road, Killiney, Dublin, A96W7D0
D25A/0094/WEBDún Laoghaire–RathdownLodged 7 Feb 2025Housing estate
- Granted70 m away
Permission sought for new vehicular entrance and remodelling of existing bungalow by raising the roof to form…
Orchard Lodge, Ballinclea Road, Killiney, Co Dublin
D07A/0173Dún Laoghaire–RathdownLodged 28 May 2007Extension
- Refused70 m away
Permission is sought for a new splayed vehicular entrance in existing front boundary wall
Orchard Lodge, off Ballinclea Road, Killiney, Co Dublin
D19A/0017Dún Laoghaire–RathdownLodged 11 Jan 2019Infrastructure
- Refused70 m away
Planning Permission is sought for a new sliding door vehicular entrance in a splayed and recessed layout in…
Orchard Lodge, Ballinclea Road, Killiney, Co. Dublin, A96D827
D25A/0423Dún Laoghaire–RathdownLodged 28 May 2025Other
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 an extension to the existing two storey semi detached dwelling…
69 Thomastown Road, Glenageary, Co. Dublin, A96 H1X9
D21A/0171Dún Laoghaire–RathdownLodged 1 Mar 2021
- GrantedExtension
Permission is sought for proposed granny flat to side of existing two storey dwelling (conversion of existing…
13 Oak Park Road , Oak Park , Carlow
21464CarlowLodged 26 Nov 2021
- GrantedExtension
Permission for the construction of a two-storey extension to side of existing dwelling incorporating a granny…
Annagose , Newbliss , Co Monaghan
21572MonaghanLodged 13 Oct 2021
- GrantedExtension
Permission for a granny flat extension to the side/front of a two storey semi-detached dwelling. The proposed…
179 Barton Road East, Dundrum, Dublin 14
D15A/0423Dún Laoghaire–RathdownLodged 9 Sept 2015
- Awaiting decisionRetention
Permission for retention of ground floor extensions to rear & side of existing dwelling and of first floor…
Coolmore, Carrigaline, Cork, P43NY51
25/5950corkLodged 18 Sept 2025
- GrantedExtension
Permission to construct a single storey extension to the rear (southeast) of the existing dwelling.…
2 Newbrook Grove , Mullingar , Co Westmeath
206305WestmeathLodged 4 Nov 2020
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