15, Mount Auburn, Killiney Road, Dalkey, Co Dublin, A96R8P8
Demolition of a boiler house and shed to build a single-storey flat roof granny flat extension.
D20B/0274 · Dun Laoghaire Rathdown County Council · Lodged 19 February 2021
- Reference
- D20B/0274
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 19 February 2021
Summary
AI-generatedThe project involves the demolition of an existing rear boiler house, chimney, and shed. They will be replaced with a single-storey flat roof granny flat extension featuring a rooflight, alongside internal renovations and alterations to the rear and side elevations.
- 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 for development, the proposed development will consist of demolition of existing rear boiler house including chimney and existing shed. It is proposed to be replaced with a single flat roof extension (granny flat) with roof light . Internal renovations to existing house including a removal of internal wall and roof light with the insertion of a new roof light in the existing flat roof. Changes to rear and side external elevations and all associated site works
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 |
|---|---|---|---|
| Sentosa, 11 Mount Auburn, Killiney | Nov 2025 | €1,325,000 | 42 m |
| 51 Wyvern, Killiney, Dublin | Jun 2025 | €1,325,000 | 54 m |
| 1 Wyvern House, Wyvern, Killiney | Jun 2026 | €497,500 | 97 m |
| Ph 4, Killiney Hill Park Apts, Killiney Hill Rd | Oct 2025 | €1,600,000 | 125 m |
| 10 Rock Lodge, Killiney, Dublin | Sept 2025 | €920,000 | 141 m |
| 46 Wyvern, Killiney Rd, Killiney | Dec 2025 | €1,010,000 | 144 m |
| 50 Killiney Hill Park, Killiney, Dublin | Oct 2025 | €615,000 | 165 m |
| 110 Ballinclea Heights, Killiney, County Dublin | Dec 2025 | €750,000 | 189 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 received19 February 2021
- Decision issued11 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
Full permission for development. The proposed development will consist of a) demolition of existing sunroom…
17 Mount Auburn, Killiney Road, Dalkey, Co. Dublin, A96 R9C5
D20B/0032Dún Laoghaire–RathdownLodged 14 Feb 2020Extension
- Exempt — no permission needed30 m away
Removing a fence and building a 1.5m high retaining wall on the boundary with The Carry Centre
17, Mount Auburn, Killiney Road, Dalkey, Co. Dublin, A96R9C5
REF7926Dún Laoghaire–RathdownLodged 27 May 2026Alterations
- Refused50 m away
Permission sought for construction of a two storey house (area 143sqm) to the rear of 18 Mount Auburn,…
18, Mount Auburn, Killiney Road, Killiney, Co Dublin
D07A/0198Dún Laoghaire–RathdownLodged 14 Feb 2007New dwelling
- Granted50 m away
Permission for demolition of garage (area 20 sqm) and the construction of a bungalow (area 84 sqm) at lands…
Lands to rear of 18, Mount Auburn, Killiney Hill Road, Killiney, Co Dublin
D14A/0058Dún Laoghaire–RathdownLodged 11 Feb 2014New dwelling
- Granted50 m away
Permission is sought for the construction of a bungalow (area 84 sq.m) and new vehicular access from Killiney…
18, Mount Auburn, Killiney Hill Road, Co. Dublin
D12A/0291Dún Laoghaire–RathdownLodged 27 Jul 2012New dwelling
- Refused60 m away
Permission for development at this site. The development will consist construction of 12 apartments in a…
Mount Auburn, Killiney Hill Road, Killiney, Co. Dublin
D18A/0732Dún Laoghaire–RathdownLodged 27 Jul 2018Apartments
- Granted60 m away
Permission for the construction of 14 apartments in a single block of 4 storeys with north-west and…
Mount Auburn, Killiney Hill Road, Killiney, Co Dublin
D19A/0054Dún Laoghaire–RathdownLodged 2 Jul 2019Apartments
- Granted60 m away
The development will consist of: Alterations to a previously approved development under Reg. Ref. D24A/0260…
Lands at Mount Auburn House, Killiney Hill Road, Killiney, Dublin, A96H728 including Mount Auburn House
D25A/0593/WEBDún Laoghaire–RathdownLodged 28 Jul 2025Alterations
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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Permission for development. The development will consist of a 2.5m2 single storey boiler house extension to…
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