Part granted, part refusedExtensionDecided 7 May 2026

Ballytrain, Stillorgan Road, Galloping Green South, Dublin 18

Retention of a side extension and permission for new two-storey side and single-storey rear extensions.

D26B/0145/WEB · Dun Laoghaire Rathdown County Council · Lodged 12 March 2026

Reference: D26B/0145/WEB
Authority: Dun Laoghaire Rathdown County Council
Register status: Appealed
Type: Permission
Received: 12 March 2026

Summary

AI-generated

The applicant is seeking retention permission for an existing single-storey side extension. They also propose to construct a new two-storey extension above it, a single-storey rear extension, and make alterations to the existing roof and elevations.

Extensionretentionextensionsuburban

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

The development to be retained consists of a single-storey extension at ground floor level to the side of the existing dwelling. The proposed development will consist of a two-storey extension above ground floor to the side of the existing dwelling, a single-storey extension at ground floor level to the rear of the existing dwelling, amendments to existing front and rear elevations and to existing roof and all associated site works.

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
Kincora, Avonmore, Foxrock Dublin 18	Oct 2025	€2,400,000	151 m
17 Granville Rd, Blackrock, Dublin	Aug 2025	€2,030,000	230 m
11 Kelston Hall, Leopardstown Rd, Foxrock	Feb 2025	€483,000	233 m
4 Kelston Hall, Leopardstown Rd, Foxrock Dublin 18	May 2025	€588,000	233 m
Amberly, 17a Granville Rd, Blackrock	Jan 2025	€1,255,000	235 m
10 Sycamore Grove, Westminster Park, Foxrock Dublin 18	Apr 2025	€625,000	237 m
15 Avonmore, Foxrock, Dublin 18	May 2025	€1,265,000	242 m
1 Willow Pk, Westminister Park Foxrock, Dublin 18	Jan 2025	€660,000	249 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 received12 March 2026
Decision due7 May 2026
Decision issued7 May 2026
Appeal submitted2 June 2026

In the area

Applications near this site

Other planning applications within about 500 m — what else is being proposed or built nearby.

Related developments

Similar applications

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