GrantedExtensionDecided 1 February 2017

10 Thornhill Road, Mount Merrion, Co Dublin

Demolition of a garage and construction of a single-storey side extension and widened gate in Mount Merrion.

D16A/0911 · Dun Laoghaire Rathdown County Council · Lodged 8 December 2016

Reference: D16A/0911
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 8 December 2016

Summary

AI-generated

The project involves the demolition of an existing detached single-storey garage. A new single-storey side extension will be built, featuring a front door overhang, alongside widening the existing gate opening to 3.5 metres.

Extensionextensiondemolitiongarage

Storey: 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

Permission for the demolition of existing separate single storey garage to the side of existing two storey house and the construction of a new single storey extension to the side of the existing house to include for overhang over front door and increasing the size of existing gate opening to 3.5 metres.

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.

Built — construction complete

A commencement notice records works starting on 17 April 2017.

Recent sales nearby

within 500 m

Residential Property Price Register sales within 500 metres of this site
Address	Date	Price	Distance
24 South Ave, Mount Merrion, Dublin	Dec 2025	€1,580,000	90 m
14 South Avenue, Mount Merrion, Co Dublin	Sept 2025	€920,000	90 m
28 South Ave, Mount Merrion, Dublin	Sept 2025	€1,400,000	101 m
33 Clonmore Rd, Mount Merrion, Dublin	Apr 2026	€1,425,000	118 m
32 South Ave, Mount Merrion, Dublin	Jan 2026	€1,725,000	120 m
50 Cherry Garth, Mount Merrion, Blackrock	May 2025	€1,275,000	180 m
49 Thornhill Oaks, Cherry Garth, Mount Merrionprice excludes VAT	Jan 2025	€1,145,374	184 m
49 Thornhill Oaks, Cherry Garth, Mount Merrion	Dec 2025	€1,430,135	193 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 received8 December 2016
Decision issued1 February 2017

In the area

Applications near this site

Other planning applications within about 500 m — what else is being proposed or built nearby.

Related developments

Similar applications

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Community

Discussion

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