GrantedExtensionDecided 2 May 2025

12, Fosters Avenue, Mount Merrion, Blackrock, Dublin, A94YH39

Demolition of a conservatory and garage to build a ground floor extension and a first floor extension with two bedrooms.

D25A/0189/WEB · Dun Laoghaire Rathdown County Council · Lodged 11 March 2025

Reference: D25A/0189/WEB
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 11 March 2025

Summary

AI-generated

The project involves demolishing a rear conservatory and side garage to construct a 66.3sqm ground floor extension to the rear and side. It also includes altering the roofline to provide two new bedrooms and a bathroom (38sqm) at first floor level, and widening the vehicular gateway.

Extensionextensiondemolitionwidened entrance

Floor area: 104 m²

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 is sought for the demolition of existing conservatory to the rear and garage to the side, the construction of a ground floor extension to the rear and side (c. 66.3m2), alterations to existing roofline at the rear to provide 2 no. New bedrooms with bathroom (c. 38m2) at first floor level, the widening of existing vehicular gateway to 3.4m 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
12 Foster Ave, Mt Merrion, Dublin	Oct 2025	€1,410,000	9 m
Apartments 1-11, Fitzwilliam Court, The Rise Mount Merrion	Dec 2025	€4,400,000	181 m
14 St Thomas Road, Mount Merrion, Blackrock	Jul 2025	€1,750,000	203 m
Apt 100, Belfield Park, Stillorgan Road	Jan 2026	€465,000	212 m
Apartment 4 Greygates, Roebuck Ave, Mount Merrionprice excludes VAT	Jan 2026	€190,000	225 m
47 Belfield Park, Stillorgan Rd, Dublin	Dec 2025	€380,000	258 m
4 Mountbrook, Stillorgan Rd, Blackrock	Feb 2026	€397,000	277 m
32 St Thomas Rd, Mount Merrion, Dublin	Mar 2025	€1,900,000	300 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 received11 March 2025
Decision due2 May 2025
Decision issued2 May 2025

In the area

Applications near this site

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Related developments

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