GrantedChange of useDecided 15 June 2026

Cooleen, 12 Marine Parade, Sandycove, Co. Dublin, A96VX36

Conversion of two apartments back into a single house, including demolition of side/rear extensions and building new extensions.

D26A/0303/WEB · Dun Laoghaire Rathdown County Council · Lodged 17 April 2026

Reference: D26A/0303/WEB
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 17 April 2026

Summary

AI-generated

The development involves converting two existing apartments back into a single semi-detached three-bedroom house. The works include the demolition of existing side and rear extensions, the construction of a new single-storey side extension and a part single, part two-storey rear extension, and the creation of a new vehicular access with off-street parking.

Change of useconversionextensiondemolition

Residential unit: 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

The development will consist of: (i) demolition of part single part two-storey extensions to side and the rear (84.4 sq. M. ) and lowering a section of the side boundary wall ; (ii) the construction of a single-storey extension to the side and part single part two-storey extension to the rear with 6 no. Rooflights (total additional floor area: 108.8 sq. M. ); (iii) the reinstatement of a semi-detached three bedroom dwelling in lieu of existing 2 no. Apartments; (iv) a new pedestrian access to the rear garden replacing the existing vehicular access; (v) a new vehicular access at adjoining private laneway and off-street parking to the front, and all ancillary site development works including the removal of the chimney, and additional internal strengthening of the existing roof plus 3 no. Rooflights.

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
Cooleen, 12 Marine Parade, Sandycove	Dec 2025	€1,725,000	3 m
19 Burdett Ave, Sandycove, Dublin	Feb 2026	€1,420,000	35 m
12 Burdett Ave, Sandycove, Dublinnot full market price	Dec 2025	€884,145	61 m
Seafield House, 8 Burdett Ave, Sandycove	Jun 2025	€3,012,000	70 m
3 Marine Ave, Sandycove, Dublin	Dec 2025	€1,850,000	87 m
31 Seabank Court, Marine Parade, Sandycove	Sept 2025	€757,500	149 m
11 Gowran Hall, Ballygihen Ave, Sandycove	Aug 2025	€166,666	168 m
16 Gowran Hall, Ballygihen Ave, Sandycove	Feb 2025	€635,000	168 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 received17 April 2026
Decision due15 June 2026
Decision issued15 June 2026

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