77 Patrick Street, Dun Laoghaire, Co. Dublin.
Rooftop and rear extensions to convert a single-storey house into a two-storey home.
D20B/0272 · Dun Laoghaire Rathdown County Council · Lodged 10 September 2020
- Reference
- D20B/0272
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 10 September 2020
Summary
AI-generatedThe project involves a rooftop extension to turn a single-storey, three-bedroom house into a two-storey, three-bedroom dwelling. Existing single-storey extensions will be demolished and replaced with a new single-storey rear extension, increasing the floor area from 92 to 154 square metres.
- Storeys
- 2
- Floor area
- 154 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
Permission for development, the development will consist of the rooftop extension of the existing single storey, three bedroom dwelling house to create a two storey three bedroom dwelling. The works will demolish the existing single storey extensions and replace them with one single storey rear extension and enlarged rear garden. The area of the existing house is 92msq and the total area of the extended house is 154msq.
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 |
|---|---|---|---|
| 30 Mulgrave St, Dun Laoghaire, Dublin | Nov 2025 | €1,800,000 | 57 m |
| 32 Mulgrave St, Dun Laoghaire, Dublin | Jul 2025 | €880,000 | 72 m |
| 2 Patrick Court, Patrick St, Dun Laoghaire | Apr 2026 | €572,000 | 76 m |
| 85/86 Patrick Street, Dun Laoghaire, Co. Dublin | Mar 2025 | €417,500 | 77 m |
| 21a Mulgrave St, Dun Laoghaire, Dublin | Feb 2026 | €840,000 | 80 m |
| 3 Patrick Court, Patrick St, Dun Laoghaire | Jun 2026 | €585,000 | 81 m |
| 91 Patrick St, Dun Laoghaire, Dublin | Dec 2025 | €450,000 | 102 m |
| 22 Patrick St, Dun Laoghaire, Dublin | Mar 2025 | €547,000 | 104 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 received10 September 2020
- Decision issued4 November 2020
- Appeal submitted30 November 2020
- Appeal decided1 March 2021
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- InvalidAt this site
Permission is sought for the change of use of the existing structure from part workshop/ part office to…
76, Patrick Street, Dun Laoghaire, Co Dublin
D20A/0724Dún Laoghaire–RathdownLodged 7 Oct 2020Change of use
- RefusedAt this site
Permission is sought for the material change of use of the existing structure from part workshop/ part office…
76, Patrick Street, Dun Laoghaire, Co Dublin
D20A/0881Dún Laoghaire–RathdownLodged 30 Nov 2020Change of use
- RefusedAt this site
Permission is sought for the material change of use of the existing structure from part workshop/ part office…
76, Patrick Street, Dun Laoghaire, Co Dublin
D21A/0941Dún Laoghaire–RathdownLodged 27 Oct 2021Change of use
- GrantedAt this site
Planning permission is sought for (1) change of use from office and storage to two bedroom duplex apartment…
78 Patrick Street, Dun Laoghaire, Co Dublin
D09A/0260Dún Laoghaire–RathdownLodged 16 Apr 2009Change of use
- GrantedAt this site
Change of use from office to residential including increase in size of existing dormer to rear at roof level
78, Patrick Street, Dun Laoghaire, Co. Dublin
D08A/0011Dún Laoghaire–RathdownLodged 9 Jan 2008Change of use
- GrantedAt this site
Permission for Retention of — Material change of use from Offices and store to a two bedroom residential unit…
78, Patrick Street, Dun Laoghaire, Co. Dublin
D14A/0863Dún Laoghaire–RathdownLodged 23 Dec 2014Retention
- Compliance submissionAt this site
Compliance with Condition no. 9 of Reg Ref No. ABP31253022 (D21A/0941)
76, Patrick Street, Dun Laoghaire, Co Dublin
D21A/0941/C3Dún Laoghaire–RathdownLodged 21 May 2024Other
- Compliance submissionAt this site
Compliance with Condition no. 5 of Reg Ref No. ABP31253022 (D21A/0941)
76, Patrick Street, Dun Laoghaire, Co Dublin
D21A/0941/C2Dún Laoghaire–RathdownLodged 21 May 2024Other
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 for development of a part single/part two storey house to remove part of existing roof and…
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Permission for development to consist of the construction of a single storey extension to the rear of the…
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D17B/0226Dún Laoghaire–RathdownLodged 8 May 2017
- RefusedExtension
Permission for development consisting of the extension and alteration to existing two storey dwelling…
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D17B/0523Dún Laoghaire–RathdownLodged 20 Nov 2017
- GrantedExtension
Planning permission is sought for alterations and extension to an existing two storey 3 bedroom dwelling,…
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D11B/0410Dún Laoghaire–RathdownLodged 22 Dec 2011
- RefusedExtension
The development will consist / consists of works to existing part single/part two storey house to remove part…
Mellary, 3, Dublin Road, Shankill, Dublin 18
D13A/0459Dún Laoghaire–RathdownLodged 30 Aug 2013
- GrantedExtension
Permission for development at this site. The development will consist of: Extension of existing roof…
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D15B/0061Dún Laoghaire–RathdownLodged 6 Mar 2015
Community
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