34, Priory Avenue, Stillorgan, Dublin, A94CP21
Alterations and extensions to a two-storey semi-detached house in Stillorgan, including a garage conversion and attic conversion.
D23A/0178 · Dun Laoghaire Rathdown County Council · Lodged 30 May 2023
- Reference
- D23A/0178
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 30 May 2023
Summary
AI-generatedThe project includes converting the garage with a first-floor extension above for a bedroom, converting the attic with dormer and Velux windows, and building a ground-floor rear extension. It also features a deep energy retrofit with external insulation and widening of the entrance gateway.
- 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
Alterations and extensions to existing two-storey semi detached house. The application includes the conversion of the existing garage/utility area and the provision of an extension above it to accomodate a bedroom and an en-suite bathroom. It includes the extension and conversion of the existing attic area, all complete with two rear facing dormer windows, two rear facing velux windows, and one front facing velux window. It includes the provision of a new ground floor level extension to the rear of the house to form a new open plan kitchen/living area, complete with high efficiency triple glazed lifting/sliding doors and patio area. It includes the provision of a new napp-plaster-finished external insulation system around all three external walls, as part of a new deep retrofit energy upgrade. Finally it includes widening of the existing entrance gateway, slight repositioning of the northmost gate pillar and local dishing of the existing kerb and footpath to form a wider entrance driveway.
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 19 August 2024.
Notified floor area: 188.6 m²
Recent sales nearby
within 500 m| Address | Date | Price | Distance |
|---|---|---|---|
| 33 Priory Ave, Stillorgan, Dublin | Jan 2026 | €1,070,000 | 62 m |
| Apt No. 6 Old Meadow, Grove Avenue, Blackrock | Oct 2025 | €1,125,000 | 163 m |
| Unit B, 43 Woodlands Park, Blackrock | May 2025 | €2,250,000 | 163 m |
| 43a Priory Ave, Stillorgan, Dublin | Nov 2025 | €1,525,000 | 171 m |
| 19 woodlands park, blackrockprice excludes VAT | May 2026 | €1,013,216 | 193 m |
| 39 Woodlands Park, Blackrock, Co Dublin | Aug 2025 | €2,200,000 | 203 m |
| 13 Priory Dr, Stillorgan, Dublin | Aug 2025 | €935,000 | 210 m |
| 1 Woodlands Grove, Woodlands Park, Blackrocknot full market price · price excludes VAT | Mar 2026 | €353,000 | 228 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 received30 May 2023
- Decision due26 June 2023
- Decision issued20 June 2023
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
Amendments and changes to the scheme for the extension and alteration of the house under D23A/0178, which…
34, Priory Avenue, Stillorgan, Dublin, A94CP21
D24A/0088Dún Laoghaire–RathdownLodged 19 Feb 2024Alterations
- InvalidAt this site
Alterations and extensions to existing two storey semi detached house. The application includes the…
34, Priory Avenue, Stillorgan, Dublin, A94CP21
D23A/0129Dún Laoghaire–RathdownLodged 24 Feb 2023Extension
- Compliance submissionAt this site
Compliance with Condition no. 3 of reg ref no. D23A/0178
34, Priory Avenue, Stillorgan, Dublin, A94CP21
D23A/0178/C1Dún Laoghaire–RathdownLodged 4 Apr 2024Other
- GrantedAt this site
Planning permission is sought for the demolition of the outhouse to the rear of existing property and…
32, Priory Avenue, Stillorgan, Co. Dublin
D11A/0203Dún Laoghaire–RathdownLodged 20 Apr 2011Extension
- GrantedAt this site
Permission for construction of a dormer to rear roof face and installation of two velux roof lights to front…
30 Priory Avenue, Blackrock, Co Dublin
D14B/0105Dún Laoghaire–RathdownLodged 25 Mar 2014Extension
- Granted30 m away
Permission for development consisting of the demolition of an existing pvc porch to the front and a single…
40, Priory Avenue, Blackrock, Co Dublin
D13A/0058Dún Laoghaire–RathdownLodged 7 Feb 2013Extension
- Granted40 m away
Permission is sought to part demolish front and rear of existing house to allow for the construction of a…
42, Priory Avenue, Stillorgan, Co. Dublin
D12B/0372Dún Laoghaire–RathdownLodged 29 Nov 2012Extension
- Granted40 m away
Permission for the construction of a fully serviced single storey office/gym in the rear garden with minor…
42 Priory Avenue, Stillorgan, Co Dublin
D16B/0235Dún Laoghaire–RathdownLodged 3 Jun 2016Extension
Related developments
Similar applications
Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
- InvalidExtension
Alterations and extensions to existing two storey semi detached house. The application includes the…
34, Priory Avenue, Stillorgan, Dublin, A94CP21
D23A/0129Dún Laoghaire–RathdownLodged 24 Feb 2023
- GrantedExtension
Alterations and additions to an existing 2-storey semi-detached dwelling comprising the demolition of an…
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D25A/0751/WEBDún Laoghaire–RathdownLodged 2 Oct 2025
- GrantedExtension
Permission sought for development consisting of: internal changes to existing semi-detached house to include…
45, Taney Crescent, Dundrum, Dublin 14
D07A/0907Dún Laoghaire–RathdownLodged 29 Jun 2007
- GrantedExtension
Alterations & additions to an existing 2-storey semi-detached dwelling, comprising the demolition of an…
No.54, Wainsfort Road, Terenure, Dublin 6W, D6WX642
SD25B/0410WSouth DublinLodged 24 Jun 2025
- GrantedExtension
Domestic extension and alterations to existing two storey semi-detached dwelling comprising of: the formation…
16, Fortfield Drive, Dublin 6w
SD16B/0366South DublinLodged 10 Nov 2016
- GrantedExtension
Permission is sought for the extension and alterations of existing semi-detached dwelling. The development…
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WEB1938/22Dublin CityLodged 11 Oct 2022
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