GrantedExtensionDecided 25 November 2024

29, South Avenue, Mount Merrion, Blackrock, Co. Dublin, A94R8D4

Attic conversion with a new rear dormer and ground floor garage conversion into a utility room.

D24B/0421/WEB · Dun Laoghaire Rathdown County Council · Lodged 3 October 2024

Reference: D24B/0421/WEB
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 3 October 2024

Summary

AI-generated

The project involves converting the attic into a habitable bedroom by extending the ridgeline from a hip roof to a gable roof with a rear dormer. It also includes converting the ground floor garage into a utility room, extending it to align with the porch, and modifying the porch roof.

Extensionattic conversiondormergarage 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

Planning permission for attic conversion to convert and extended ridgeline from hip roof to create gable with dormer to rear to accommodate stair to allow conversion of attic to habitable bedroom, roof windows to front. Conversion of ground floor garage into utility and extend to be line with porch. Modification to existing porch roof to create lean to roof with associated ancillary works.

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
50 Cherry Garth, Mount Merrion, Blackrock	May 2025	€1,275,000	49 m
14 South Avenue, Mount Merrion, Co Dublin	Sept 2025	€920,000	69 m
49 Thornhill Oaks, Cherry Garth, Mount Merrionprice excludes VAT	Jan 2025	€1,145,374	70 m
49 Thornhill Oaks, Cherry Garth, Mount Merrion	Dec 2025	€1,430,135	77 m
50 Thornhill Oaks, Cherry Garth, Mount Merrion	Sept 2025	€1,500,000	82 m
24 South Ave, Mount Merrion, Dublin	Dec 2025	€1,580,000	86 m
28 South Ave, Mount Merrion, Dublin	Sept 2025	€1,400,000	101 m
Thornhill, Cherry Garth, Mount Merrion	Aug 2025	€1,750,000	121 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 received3 October 2024
Decision due27 November 2024
Decision issued25 November 2024

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