WithdrawnExtensionDecided 18 June 2008

56, Thornhill Road, Mount Merrion, Co. Dublin

Demolition of a garage to build a two-storey side extension, a rear sunroom, an attic conversion, and a front bay window.

D08A/0586 · Dun Laoghaire Rathdown County Council · Lodged 22 May 2008

Reference: D08A/0586
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 22 May 2008

Summary

AI-generated

The proposed works include the demolition of an existing garage to construct a two-storey side extension with a new front entrance. It also features a ground floor front bay window, a rear sunroom, an attic conversion with two rear dormer windows, and the widening of the vehicular entrance.

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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

(a) proposed ground floor bay window to front of house with hipped roof over bay window and porch area (b) existing garage to be demolished and a proposed two - storey extension to be constructed to the side of house with pitched roof over, extension will have new front entrance for side access (c) proposed sunroom to the rear of the house (d) proposed attic conversion to playroom / study with two proposed dormer windows to the rear (e) widening of existing vehicular entrance.

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
98 Lr Kilmacud Rd, Stillorgan, Dublin	Jul 2025	€1,187,000	103 m
7 Clonmore Rd, Mount Merrion, Dublin	Sept 2025	€1,400,000	120 m
10 Redesdale Rd, Mount Merrion, Co Dublin	Jun 2026	€1,220,000	142 m
13 Redesdale Rd, Mount Merrion, Dublin	Sept 2025	€850,000	154 m
2 Redesdale Court, Redesdale Rd, Mount Merrion	Nov 2025	€650,000	158 m
44 Slieve Rua Dr, Kilmacud, Blackrock	Feb 2025	€860,000	179 m
17 Dale Close, Stillorgan	Nov 2025	€920,000	226 m
33 Clonmore Rd, Mount Merrion, Dublin	Apr 2026	€1,425,000	229 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 received22 May 2008
Decision issued18 June 2008

In the area

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