GrantedExtensionDecided 5 March 2008

48, Thornhill Road, Mount Merrion, Co. Dublin

Demolition of a garage to build a two-storey side extension and a single-storey rear extension.

D08B/0019 · Dun Laoghaire Rathdown County Council · Lodged 16 January 2008

Reference: D08B/0019
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 16 January 2008

Summary

AI-generated

The project involves removing an existing single-storey garage and outbuildings to construct a two-storey side extension. It also includes a new single-storey front bay window, widening the front door, and modifying and extending the existing rear extension.

Extensionextensiondemolition

Storeys: 2

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 modifications and extensions to dwelling incorporating new single storey bay window to existing living room and increase in width of front door to front elevation. Removal of existing single storey garage and outbuildings to side of dwelling and construction of 2 storey extension (ground floor = 19.3 sq. M. And first floor = 32.0 sq. M. ). Modification and extension of existing single storey extension (additional 19.5 sq. M. ) to rear of dwelling. Associated site...

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

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Recent sales nearby

within 500 m

Residential Property Price Register sales within 500 metres of this site
Address	Date	Price	Distance
7 Clonmore Rd, Mount Merrion, Dublin	Sept 2025	€1,400,000	110 m
98 Lr Kilmacud Rd, Stillorgan, Dublin	Jul 2025	€1,187,000	126 m
13 Redesdale Rd, Mount Merrion, Dublin	Sept 2025	€850,000	184 m
10 Redesdale Rd, Mount Merrion, Co Dublin	Jun 2026	€1,220,000	186 m
33 Clonmore Rd, Mount Merrion, Dublin	Apr 2026	€1,425,000	191 m
2 Redesdale Court, Redesdale Rd, Mount Merrion	Nov 2025	€650,000	202 m
44 Slieve Rua Dr, Kilmacud, Blackrock	Feb 2025	€860,000	209 m
17 Dale Close, Stillorgan	Nov 2025	€920,000	211 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 received16 January 2008
Decision issued5 March 2008

In the area

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