21, Granville Road, Dun Laoghaire, Co Dublin
Construction of a single-storey granny flat extension to the rear of a semi-detached bungalow.
D21B/0342 · Dun Laoghaire Rathdown County Council · Lodged 7 July 2021
- Reference
- D21B/0342
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 7 July 2021
Summary
AI-generatedPlanning permission is sought for a new single-storey, one-bedroom 'granny flat' extension. The extension will incorporate a kitchen and lounge area to the rear of the existing semi-detached bungalow.
- Storey
- 1
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 sought for new single storey 1 no bedroom 'granny flat' extension incorporating a kitchen/ lounge to rear of a single storey semi-detached bungalow
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. A completion certificate was lodged on 4 May 2022.
Notified floor area: 33.5 m²
4 commencement notices are linked to this development.
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 17 Granville Rd, Cabinteely, Dun Laoghaire | Jun 2026 | €985,000 | 26 m |
| 15 Granville Rd, Dunlaoghaire, Dublin | Aug 2025 | €787,000 | 39 m |
| 8 Woodlands Dr, Dun Laoghaire, Dublin | Apr 2026 | €755,555 | 67 m |
| 7 Woodlands Dr, Dun Laoghaire, Dublin | Dec 2025 | €880,000 | 75 m |
| 4 Woodlands Dr, Dun Laoghaire, Dublin 18 | Jun 2025 | €690,000 | 105 m |
| 39 Woodlands Ave, Johnstown Park, Dun Laoghaire | Nov 2025 | €695,000 | 123 m |
| 8 Granville Crescent, Dun Laoghaire, Dublinnot full market price | Jul 2025 | €366,667 | 126 m |
| 25 Woodlands Ave, Dun Laoghaire, Co Dublin | Dec 2025 | €700,000 | 133 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 received7 July 2021
- Decision issued27 August 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
Permission for Retention of the conversion of the original flat roofed garage to the front and side for uses…
23 Granville Road, Dún Laoghaire, Co Dublin
D16B/0388Dún Laoghaire–RathdownLodged 15 Sept 2016Retention
- Granted50 m away
Permission is sought for a dormer window to the existing attic room on the rear elevation of the existing…
12, Woodlands Drive, Dun Laoghaire, Co Dublin
D22B/0117Dún Laoghaire–RathdownLodged 7 Mar 2022Extension
- Granted50 m away
Permission for new two storey Bedroom and Bathroom extension over existing Study and Kitchen to side and…
12 Woodlands Drive, Dun Laoghaire, Co. Dublin
D19B/0354Dún Laoghaire–RathdownLodged 30 Jul 2019Extension
- Granted50 m away
Permission is sought for attic conversion including 2 dormer windows to the front and to the rear and…
13, Granville Road, Dun Laoghaire, Dublin, A96FR13
D25B/0078Dún Laoghaire–RathdownLodged 24 Apr 2025Extension
- Granted60 m away
Permission for conversion of garage to study and playroom and revision to the front elevation of house to…
16 Granville Road, Cabinteely, Co Dublin
D14B/0427Dún Laoghaire–RathdownLodged 11 Dec 2014Extension
- Invalid60 m away
Domestic dwelling (2 storey dormer type 212sqm) at the rear
13, GRANVILLE CRESCENT, CABINTEELY, CO. DUBLIN
D04A/0869Dún Laoghaire–RathdownLodged 4 Aug 2004New dwelling
- Refused60 m away
One No. two storey dormer type 212 sq.metres domestic dwelling at rear
13, GRANVILLE CRESCENT, CABINTEELY, CO. DUBLIN
D04A/1101Dún Laoghaire–RathdownLodged 18 Apr 2005New dwelling
- Invalid60 m away
Two storey detached dwelling with access through right of way at rear
13, GRANVILLE CRESCENT, CABINTEELY, CO. DUBLIN
D07A/1387Dún Laoghaire–RathdownLodged 3 Oct 2007New dwelling
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