GrantedExtensionDecided 23 April 2021

12, Sycamore Court, Carriglea Downs, Kill Avenue, Dun Laoghaire, Co Dublin

Single storey side and rear extension with internal alterations to a semi-detached house.

D21B/0108 · Dun Laoghaire Rathdown County Council · Lodged 8 March 2021

Reference: D21B/0108
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 8 March 2021

Summary

AI-generated

The project involves a flat roof single storey extension to the side and rear of the existing two-storey house. It includes a rear canopy, roof lights, internal alterations, and the removal of an existing single-storey pitched roof section.

Extensionextensionrenovation

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 an extension renovation to existing fully serviced two storey semidetached house with side & rear single storey section. Permission to include for a flat roof single storey extension to side & rear of existing house with canopy on rear of proposed extension and roof lights on proposed roof. Internal alteraltions to accoadate new design layout at ground level & removal of existing single storey pitched roof side and rear to accomadate new design. Changes to glazing to allow new ...

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
46 Sefton, Rochestown Ave, Dun Laoghaire	Feb 2026	€790,000	74 m
9 Brickfield Way, Honeypark, Dun Laoghaire	Apr 2025	€1,100,000	113 m
17 Whitethorn Walk, Carriglea Downs, Dun Laoghaire	Oct 2025	€700,000	119 m
54 Sefton, Rochestown Ave, Dun Laoghaire	May 2026	€980,000	124 m
8 Whitethorn Walk, Carriglea Downs, Dun Laoghaire	May 2026	€700,000	131 m
23 Brickfield Drive, Upper Glenageary Road, Dun Laoghaire	May 2025	€1,175,000	142 m
15 Brickfield Way, Honeypark, Dun Laoghaire	Aug 2025	€950,000	146 m
6 Carriglea Ave, Carriglea Downs, Dun Laoghaire	Sept 2025	€690,000	169 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 received8 March 2021
Decision issued23 April 2021

In the area

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