57, Prospect Avenue, Dublin 16, D16 W8H1
Construction of a two-storey side extension for a granny flat and a single-storey rear kitchen extension.
SD26B/0178W · South Dublin County Council · Lodged 16 April 2026
- Reference
- SD26B/0178W
- Authority
- South Dublin County Council
- Register status
- In progress
- Type
- Permission
- Received
- 16 April 2026
Summary
AI-generatedThe development consists of a new double-storey side extension and a single-storey rear extension. The ground floor of the side extension will function as a family granny flat, the first floor will contain a bedroom, ensuite, and utility room, and the rear extension will expand the kitchen.
- 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
Construction of new double storey side extension and single storey rear extension and associated works. The ground floor side extension consists of family granny flat, first floor side extension consists of a bedroom, ensuite and utility room and rear extension is an extension of the kitchen.
Land-use zoning
What this land is zoned for
“To protect and/or improve residential amenity”
National zoning type: Existing residential
Objective set by the South Dublin 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 |
|---|---|---|---|
| 49 Prospect Ave, Rathfarnham, Dublin 16 | Nov 2025 | €612,000 | 30 m |
| 5 Prospect Meadows, Stocking Lane, Rathfarnham Dublin 16 | Feb 2025 | €617,000 | 78 m |
| 7 Prospect Meadows, Rathfarnham, Dublin 16not full market price | Feb 2026 | €305,000 | 82 m |
| Apt 17 - Cloragh Mills, Edmondstown Road, Rathfarnham | Jun 2025 | €350,000 | 100 m |
| 3 Edmondstown Close, Edmondstown Road, Ratfhfarnham | Sept 2025 | €750,000 | 111 m |
| 4 Cloragh Mills, Edmonstown Rd, Rathfarnham Dublin 16 | Apr 2026 | €289,010 | 120 m |
| 23 Prospect Ave, Prospect Manor, Rathfarnham Dublin 16 | Jun 2026 | €680,000 | 121 m |
| 17 Prospect Ave, Dublin 16, Dublin | May 2025 | €710,000 | 141 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 received16 April 2026
- Decision due30 July 2026
In the area
Applications near this site
Other planning applications within about 500 m — what else is being proposed or built nearby.
- Withdrawn40 m away
Erection of two storey dwelling with mono pitched roof & ancillary site works to side of existing house
50A, Springvale, Edmonstown Road, Rathfarnham, Dublin 16
ED22/0007South DublinLodged 26 Apr 2022New dwelling
- Refused40 m away
2 storey detached dwelling with 4 'Velux' roof lights and pv panels to rear roof, new vehicular entrance, car…
50, Springvale, Rathfarnham, Dublin 16
SD17A/0182South DublinLodged 12 Jun 2017New dwelling
- Refused40 m away
2 storey, detached 4 bed dwellings, new vehicular entrance and car parking and associated works. The height…
In the side garden of 50, Springvale, Rathfarnham, Dublin 16
SD17A/0320South DublinLodged 7 Sept 2017New dwelling
- Granted40 m away
(a) 2 storey terraced dwelling, (b) new vehicular entrance onto the site; (c) together with necessary site…
in the side garden of 50, Springvale, Rathfarnham, Dublin 16
SD09A/0184South DublinLodged 30 Sept 2009New dwelling
- Invalid40 m away
(a) Construction of new split level, 2/3 storey detached dwelling; (b) new vehicular entrance onto site; (c)…
50, Springvale, Rathfarnham, Dublin 16
SD08A/0110South DublinLodged 18 Feb 2008New dwelling
- Refused40 m away
Construction of new split level 2/3 storey detached dwelling; new vehicular entrance onto site together with…
Side of 50, Springvale, Dublin 16
SD08A/0367South DublinLodged 29 May 2008New dwelling
- Invalid40 m away
(A) Construction of a new two storey over basement detached dwelling, (B) new vehicular entrance onto the…
50, Springvale, Dublin 16
SD07A/0929South DublinLodged 20 Nov 2007New dwelling
- Refused40 m away
Erection of a bungalow with a monopitch roof and ancillary site works to east of existing house
50A, Springvale, Edmonstown Road, Rathfarnham, Dublin 16
SD24A/0083South DublinLodged 17 Apr 2024New dwelling
Related developments
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Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.
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