GrantedExtensionDecided 5 November 2020

Ross Cottage, Seafield Road, Killiney, Co. Dublin

Demolition of an existing extension to build a new lounge/dining room and a first-floor dormer extension.

D20A/0556 · Dun Laoghaire Rathdown County Council · Lodged 14 October 2020

Reference: D20A/0556
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 14 October 2020

Summary

AI-generated

This application seeks additions to a previously approved planning permission for a semi-detached cottage. Works include the demolition of a single-storey extension to build a new lounge and dining room, a new first-floor dormer to accommodate two bedrooms, and internal alterations.

Extensionextensiondormercottage

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 additions to an approved planning permission d20a/0242 to a single storey 2 bed semi detached cottage. The additions are as follows
Demolition of single storey extension and build new lounge/dining room to the south side of the cottage, (no change to roof ridge heights)
New first floor dormer to accommodate 2 bedrooms to east side of cottage
Internal alterations
Roof lights to west roof

Land-use zoning

What this land is zoned for

Objective ARS

“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 plan

Built & 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

Residential Property Price Register sales within 500 metres of this site
Address	Date	Price	Distance
1 Seafield Rd, Killiney, Dublin	Dec 2025	€1,260,000	173 m
Eversley, Military Rd, Killiney	Jan 2026	€1,900,000	286 m
104 Seafield Court, Seafield Rd, Killiney	Feb 2025	€705,000	326 m
Lasserre, Military Rd, Killiney	Jul 2025	€1,850,000	333 m
Abbeylands East, Military Rd, Killiney	Feb 2025	€2,750,000	353 m
1 Killiney Court, Seafield Road, Killiney	Dec 2025	€375,000	374 m
87 Seafield Court, Killiney, Dublin	Oct 2025	€730,000	409 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 received14 October 2020
Decision issued5 November 2020
Appeal submitted2 December 2020
Appeal decided10 March 2021

In the area

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Related developments

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