179, Rochestown Avenue, Dun Laoghaire, Co Dublin
Attic conversion with a flat roof dormer extension and raising the roof height of a ground floor playroom.
D20B/0292 · Dun Laoghaire Rathdown County Council · Lodged 19 March 2021
- Reference
- D20B/0292
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 19 March 2021
Summary
AI-generatedThe proposed works to the existing bungalow include an attic conversion with a new flat roof dormer extension, six roof windows, and raising the roof height over the ground floor playroom.
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 attic conversion with new flat roof dormer extension including alterations to elevations, 6 no. Roof windows, increasing roof height to ground floor playroom of existing bungalow dwelling and all associated works
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 |
|---|---|---|---|
| 174 Rochestown Ave, Dun Laoghaire, Dublin | Apr 2025 | €755,000 | 91 m |
| 176 Rochestown Ave, Dun Laoghaire, Dublin | Mar 2026 | €670,000 | 98 m |
| 38 Granitefield Manor, Rochestown Ave, Killiney | May 2026 | €370,000 | 136 m |
| 41 The Ogham, Granitefield Manor, Rochestown Ave | Jul 2025 | €465,000 | 136 m |
| 504 Pearse Villas, Sallynoggin, Dublin | Apr 2025 | €520,500 | 138 m |
| 84 Beechwood Lawn, Rochestown Ave, Dun Laoghaire | Aug 2025 | €745,500 | 140 m |
| 50 The Gallan, Granitefield Manor, Rochestown Ave | Mar 2026 | €388,000 | 149 m |
| 81 The Gallan, Grainite Field Manor, Rochestown Ave | Apr 2026 | €422,000 | 149 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 received19 March 2021
- Decision issued12 April 2021
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Withdrawn30 m away
Dormer bungalow together with new boundary dividing wall, removal of existing entrance and a new entrance and…
177 Rochestown Avenue, Dun Laoghaire, Co. Dublin.
D02A/0728Dún Laoghaire–RathdownLodged 19 Jul 2002New dwelling
- Granted30 m away
Permission for single storey cable and equipment storage facility (53 sqm) located inside the northern…
Eircom Telephone Exchange, Rochestown Avenue, Dun Laoghaire, Co Dublin
D15A/0097Dún Laoghaire–RathdownLodged 13 Feb 2015Infrastructure
- Granted30 m away
Permission for an extensions and alterations including ancillary works, consisting of single storey extension…
32 Rochestown Park, Sallynoggin, Dun Laoghaire, Co. Dublin, A96 R768
D22B/0228Dún Laoghaire–RathdownLodged 4 May 2022Extension
- Granted40 m away
Partial demolition of the existing hip roof to the rear, extending the attic space by building up existing…
177, Rochestown Avenue, Dun Laoghaire,Co. Dublin
D05B/0171Dún Laoghaire–RathdownLodged 14 Mar 2005Extension
- Granted40 m away
Retention planning permission is sough to retain the partially completed approved development Reg.Ref.…
185, Rochestown Avenue, Dun Laoghaire, Co. Dublin
D09A/0515Dún Laoghaire–RathdownLodged 16 Jul 2009Retention
- Granted40 m away
Conversion of existing garage and covered side passageway to studio by rising existing boundary wall with new…
185, Rochestown Avenue, Dun Laoghaire, Co. Dublin
D06A/0115Dún Laoghaire–RathdownLodged 31 Jan 2006Extension
- Granted50 m away
Planning permission is sought for alterations & extensions to existing first floor comprising additional…
34, Rochestown Park, Dun Laoghaire, Co. Dublin
D10B/0290Dún Laoghaire–RathdownLodged 25 Jun 2010Extension
- Granted60 m away
Permission for Retention of a single storey extension to the rear of the existing 2-storey end-terraced…
166, Rochestown Avenue, Dun Laoghaire, Co. Dublin, A96TH58
D22B/0456Dún Laoghaire–RathdownLodged 27 Oct 2022Retention
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
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Permission is sought for development which will consist of attic conversion with dormer window to the rear of…
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D12B/0064Dún Laoghaire–RathdownLodged 27 Feb 2012
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D10B/0296Dún Laoghaire–RathdownLodged 29 Jun 2010
- GrantedRetention
Permission for retention of attic conversion to living area to include rooflights and dormer window to rear…
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206519corkLodged 13 Nov 2020
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