Knocklyn, 17, Sandyford Road, Dundrum, Dublin 16
Construction of single-storey extensions and relocation of a family flat.
D11A/0476 · Dun Laoghaire Rathdown County Council · Lodged 25 October 2011
- Reference
- D11A/0476
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 25 October 2011
Summary
AI-generatedThe development comprises single-storey extensions to the side and rear of the existing house. It also includes relocating an existing single-storey family flat to the northern gable and constructing a garage and covered side passage.
- 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
Planning permission is sought for construction of single storey extensions totalling 35.76 sq. M. (net area of alterations of house, garage and family flat) to existing house of 207.36 sq. M. (including existing garage of 41.78 sq. M and existing single storey family flat of 29.16 sq. M. ). Proposed works comprised of relocation of existing single storey family flat of 28.97 sq. M. To northern gable, extension to side and rear of 44.92 sq. M, garage and covered side passage to rear and side of 32.49...
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 |
|---|---|---|---|
| 1 Balally Rd, Dundrum, Dublin 16 | Mar 2025 | €771,000 | 18 m |
| 3 Balally Park, Sandyford Rd, Dundrum Dublin 16 | Jan 2025 | €740,000 | 55 m |
| 80 Sandyford Road, Sandyford, Dublin 18 | May 2025 | €1,075,000 | 111 m |
| 42 Balally Dr, Dundrum, Dublin 16 | Oct 2025 | €1,050,000 | 113 m |
| 43 Balally Dr, Dundrum, Dublin 16 | Oct 2025 | €830,000 | 122 m |
| 58 Balally Dr, Dundrum, Dublin 16 | Jan 2026 | €891,000 | 151 m |
| Lisnalea, 19 Balally Dr, Dundrum Dublin 16 | Apr 2025 | €810,000 | 155 m |
| 29 Dun Emer Road, Dundrum, Dublin 16 | Jul 2025 | €775,000 | 156 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 received25 October 2011
- Decision issued5 December 2011
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 sought for alterations to already approved Planning Permission Reg. Ref. D11A/0476. Alterations to…
Knocklyn, 17, Sandyford Road, Dundrum, Dublin 16
D12A/0529Dún Laoghaire–RathdownLodged 21 Dec 2012Alterations
- GrantedAt this site
Construction of a canopy over the front door, building a single storey extension onto the side and converting…
Lionan, Sandyford Road, Dublin 18.
D09B/0093Dún Laoghaire–RathdownLodged 4 Mar 2009Extension
- Granted50 m away
Permission for changes to approved house design under Reg. Ref. D15A/0424, from new two storey, detached flat…
2 Balally Road, Dundrum, Dublin 16
D18A/0030Dún Laoghaire–RathdownLodged 11 Jan 2018New dwelling
- Granted50 m away
Permission for construction of new two storey, detached, flat roof, two bedroom house with new vehicular…
2 Balally Road, Dundrum, Dublin 16
D15A/0424Dún Laoghaire–RathdownLodged 25 Sept 2015New dwelling
- Granted50 m away
New vehicular entrance to rear. Access to be from Balally Road
1, Balally Park, Dundrum, Dublin 16
D04A/0218Dún Laoghaire–RathdownLodged 12 May 2004Infrastructure
- Granted50 m away
Alterations and additions, comprising a 27.5sq.m. single-storey extension with 12.5sq.m attic area on the…
4, Balally Road, Dundrum, Dublin 16
D06B/0699Dún Laoghaire–RathdownLodged 1 Aug 2006Extension
- Granted60 m away
Realignment of 2 storey detached house 8700mm high granted permission (Reg Ref D03A/0828) at side
1, Balally Park, Dundrum, Dublin 16
D05A/0999Dún Laoghaire–RathdownLodged 2 Aug 2005Alterations
- Granted60 m away
Permission for development. The devleopment will consist of the demolition of a converted garage to the side…
Glenview, Sandyford Road, Dundrum, Dublin 16
D19B/0437Dún Laoghaire–RathdownLodged 2 Dec 2019Extension
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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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Permission is sought for a) single storey extension to rear of 40.7 sq.m roof with flat parapet roof, b)…
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D11B/0359Dún Laoghaire–RathdownLodged 9 Nov 2011
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D17B/0175Dún Laoghaire–RathdownLodged 12 Apr 2017
- GrantedExtension
Permission for extension and alterations to the existing dwelling house. The proposed works will incorporate:…
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D18B/0434Dún Laoghaire–RathdownLodged 8 Oct 2018
- GrantedExtension
The proposed development consists of alterations & extensions & the use of part of the 2 storey house as a…
92, Ballinclea Heights, Killiney, Co. Dublin
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