GrantedExtensionDecided 7 May 2026

48, Castlepark Road, Sandycove, Co. Dublin, A96AE33

Demolition of side and rear structures to build a new two-storey side extension and single-storey rear extension in Sandycove.

D26A/0209/WEB · Dun Laoghaire Rathdown County Council · Lodged 18 March 2026

Reference: D26A/0209/WEB
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 18 March 2026

Summary

AI-generated

The development includes the demolition of a converted garage and rear conservatory. It proposes a new two-storey side extension, a single-storey rear extension, attic conversion with a rear dormer, and widening of the vehicular entrance.

Extensionextensiondemolitionattic conversion

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

Alterations and additions to an existing 2-storey semi-detached dwelling comprising the demolition of an existing single storey converted garage and utility room extension to the gable end, together with the demolition of an existing single storey conservatory extension to the rear, and the construction of a new 2- storey extension to the gable-end, and new single storey extension to the rear in lieu of same. The proposed works also comprise the conversion of the existing attic space to provide for new dormer accommodation with new dormer window to the rear, and new velux rooflights to the front elevation, together with a new entrance porch to the front elevation, and the widening of the existing vehicular entrance gate and all ancillary site works including connections to existing services

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
48 Castlepark Road, Sandycove, Dun Laoghaire	Aug 2025	€1,750,000	4 m
19 Hyde Park, Dalkey, Dublin	Sept 2025	€1,400,000	143 m
39 Dundela Park, Sandycove, Dublin	Jan 2025	€1,120,000	161 m
5 Arkendale Rd, Glenageary, Dublin	Sept 2025	€2,870,000	188 m
52 Dundela Park, Sandycove, Dublinnot full market price	May 2025	€420,000	190 m
Rossaveel, 27 Dundela Ave, Sandycove	May 2026	€1,300,000	196 m
12 Dundela Haven, Sandycove, Dublin	May 2025	€627,501	199 m
17 Dundela Haven, Dundela Park, Sandycove	Jun 2026	€610,000	204 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 received18 March 2026
Decision due12 May 2026
Decision issued7 May 2026

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