Ross Cottage, Seafield Road, Killiney, Co. Dublin
Demolition of a single-storey extension and garden store to build a new two-storey extension, dormer, and porch.
D20A/0242 · Dun Laoghaire Rathdown County Council · Lodged 23 March 2020
- Reference
- D20A/0242
- Authority
- Dun Laoghaire Rathdown County Council
- Register status
- Decided
- Type
- Permission
- Received
- 23 March 2020
Summary
AI-generatedThe project involves the demolition of an existing single-storey extension and garden store at Ross Cottage. It will be replaced with a new dormer on the east side to create an upper floor, a two-storey extension to the south with a balcony, a new front entrance porch, and a new car road opening.
- 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
Permission sought for demolition of single storey extension to south and garden store to rear of a single storey 2 bed cottage. The works will consist of a new dormer on east side to form an upper floor consisting of 1 new bedroom and ensuite complete with roof lights to front. Extend existing front roof to form new two storey extension to south consisting of new kitchen/living and first floor lounge with balcony. New single storey entrance porch to front and new car road opening required ...
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 Seafield Rd, Killiney, Dublin | Dec 2025 | €1,260,000 | 176 m |
| Eversley, Military Rd, Killiney | Jan 2026 | €1,900,000 | 283 m |
| 104 Seafield Court, Seafield Rd, Killiney | Feb 2025 | €705,000 | 329 m |
| Lasserre, Military Rd, Killiney | Jul 2025 | €1,850,000 | 331 m |
| Abbeylands East, Military Rd, Killiney | Feb 2025 | €2,750,000 | 351 m |
| 1 Killiney Court, Seafield Road, Killiney | Dec 2025 | €375,000 | 376 m |
| 87 Seafield Court, Killiney, Dublin | Oct 2025 | €730,000 | 412 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 received23 March 2020
- Decision issued6 July 2020
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
Retain increased height of granite boundary wall. New section of wall to be granite faced and capped with a…
Ross Cottage, Seafield Road, Killiney, Dublin, A96H983
D24B/0021Dún Laoghaire–RathdownLodged 22 Jan 2024Retention
- RefusedAt this site
Permission sought to retain the following — Timber fencing to eastern and southern boundary of the property…
Ross Cottage, Seafield Road, Killiney, Co Dublin
D22A/0306Dún Laoghaire–RathdownLodged 5 May 2022Retention
- GrantedAt this site
Permission sought for additions to an approved planning permission D20A/0242 to a single storey 2 bed semi…
Ross Cottage, Seafield Road, Killiney, Co. Dublin
D20A/0556Dún Laoghaire–RathdownLodged 14 Oct 2020Extension
- RefusedAt this site
Permission sought to retain a single storey utility room (6.5sqm) extension to rear and new courtyard to rear…
Ross Cottage, Seafield Road, Killiney, Co Dublin
D22A/0015Dún Laoghaire–RathdownLodged 11 Jan 2022Retention
- RefusedAt this site
Permission sought to raise front granite boundary wall from 900 high to 1800 high including entrance gates
Ross Cottage, Seafield Road, Killiney, Co Dublin
D21A/0847Dún Laoghaire–RathdownLodged 24 Sept 2021Alterations
- Granted30 m away
A) Demolition of existing kitchen side extension and detached garage to side of existing cottage b)…
Carraig Cottage, Seafield Road, Killiney, Co. Dublin
D06B/0099Dún Laoghaire–RathdownLodged 10 Feb 2006Extension
- Granted40 m away
Planning permission sought for development which will consist of widening the existing pedestrian entrance…
Kildimo, Seafield Road, Killiney, Co. Dublin
D09A/0510Dún Laoghaire–RathdownLodged 15 Jul 2009Alterations
- Granted40 m away
Permission is sought for the construction of a single storey outbuilding and extensions to existing detached…
Colza, Seafield Road, Killiney, Co. Dublin, A96RX97
D20A/0425Dún Laoghaire–RathdownLodged 19 Jun 2020Extension
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