7 Thomastown Road, Glenageary, co. Dublin, A96 W1D0
Construction of a two-storey side and rear extension, attic conversion with a rear dormer, and a new front sliding gate.
D21A/0437 · Dun Laoghaire Rathdown County Council · Lodged 14 May 2021
- Reference
- D21A/0437
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 14 May 2021
Summary
AI-generatedThe application seeks permission for a two-storey extension to the side and rear of the existing house. It also includes converting the attic to include a rear dormer window, enclosing the front porch, modifying windows and external finishes, and installing a new sliding gate and rails to the front boundary.
- 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, & rear, of existing, the conversion of attic to include for a dormer to the rear, enclosure of front porch, amendments to fenestration an external finishes to all elevations, with associated site works to include new sliding gate and rails to front boundary.
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 18 October 2021.
Notified floor area: 18.9 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 12 Thomastown Rd, Killiney, Dublin | Apr 2026 | €785,000 | 52 m |
| 47 Thomastown Rd, Dun Laoghaire, Dublin | Aug 2025 | €725,000 | 78 m |
| 45 Thomastown Rd, Dun Laoghaire, Dublin | Jul 2025 | €849,000 | 86 m |
| 18 Thomastown Rd, Dun Laoghaire, Dublin | Jun 2026 | €875,000 | 118 m |
| 36 Thomastown Rd, Dun Laoghaire, Dublin | Oct 2025 | €820,000 | 189 m |
| 84 Beechwood Lawn, Rochestown Ave, Dun Laoghaire | Aug 2025 | €745,500 | 211 m |
| 5 Glenview, Rochestown Ave, Dun Laoghaire | Nov 2025 | €1,000,000 | 221 m |
| 1 Glenview, Rochestown Avenue, Dun Laoghaire | Feb 2026 | €875,000 | 224 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 received14 May 2021
- Decision issued7 July 2021
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
Single storey extension to the rear and new two storey extension to the side, part of which is proposed to be…
9, Thomastown Road, Glenageary, Co. Dublin.
D04A/0028Dún Laoghaire–RathdownLodged 12 Jan 2004Extension
- GrantedAt this site
Permission is sought to convert existing store rooms (formally the garage) to an en-suite bedroom and utility…
5, Thomastown Road, Dun Laoghaire, Co. Dublin
D17B/0166Dún Laoghaire–RathdownLodged 6 Apr 2017Extension
- Granted40 m away
Permission is sought to convert existing store room (formally the garage) to an ensuite bedroom and to…
3, Thomastown Road, Dun Laoghaire,Co Dublin
D09B/0157Dún Laoghaire–RathdownLodged 17 Apr 2009Extension
- Granted50 m away
Detached dwelling with single storey granny flat attached to rear garden using existing vehicular access to…
63, Beechwood Lawn, Dun Laoghaire, Co. Dublin.
D05A/0544Dún Laoghaire–RathdownLodged 12 Jul 2005New dwelling
- Granted70 m away
Planning Permission for Hip buildup into dutch hip with window in gable wall, attic conversion to habitable…
49, Thomastown Road, Glenageary, Co. Dublin, A96E5X5
D24B/0526Dún Laoghaire–RathdownLodged 5 Dec 2024Extension
- Granted80 m away
For development on this site. The development will consist of the following construction of single storey…
100, Beechwood Lawn, Dun Laoghaire, Co. Dublin
D05A/0136Dún Laoghaire–RathdownLodged 2 Feb 2005Extension
- Granted80 m away
(1) Single storey extension to side of existing semi-detached dwelling. (2) Elevational changes to Porch at…
63, Beechwood Lawn, Glenageary, Dublin, A96Y6W8
D25B/0663/WEBDún Laoghaire–RathdownLodged 25 Nov 2025Extension
- Granted90 m away
Permission for an extension at first floor level to the side and rear of existing dwelling and all associated…
99 Beechwood Lawns, Dún Laoghaire, Co Dublin
D15B/0197Dún Laoghaire–RathdownLodged 27 May 2015Extension
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 two-storey extension to the side, a single storey extension to…
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D20B/0124Dún Laoghaire–RathdownLodged 29 Sept 2020
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2140763Cork CityLodged 21 Dec 2021
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D18B/0462Dún Laoghaire–RathdownLodged 25 Oct 2018
- GrantedExtension
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D17A/0342Dún Laoghaire–RathdownLodged 11 Apr 2017
- GrantedExtension
Permission is sought for construction of two storey extension to the side and rear of existing house;…
31, Taney Avenue, Goatstown, Dublin 14
D13B/0289Dún Laoghaire–RathdownLodged 27 Aug 2013
- GrantedExtension
Permission for a single storey extension to the side of the dwelling along with internal alterations and the…
Lawless Town , Dunleer , Co Louth
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