GrantedExtensionDecided 29 July 2014

20, Saint Thomas Road, Mount Merrion, Co. Dublin

Single-storey rear extension, front porch, and two dormer windows to the front and rear attic roof.

D14B/0140 · Dun Laoghaire Rathdown County Council · Lodged 2 July 2014

Reference: D14B/0140
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 2 July 2014

Summary

AI-generated

The development consists of a 24 sqm single-storey extension to the rear of the house with a slate finish roof and feature glazing. It also includes a 2.5 sqm front porch and two dormer windows to the front and rear roof pitches of the existing attic space.

Extensionextensiondormerattic

Floor area: 27 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 for: (a) single storey extension to rear (24 sqm) with slate finish roof and feature roof glazing. (b) porch to front of house (2.5 sqm). (c) 2 no. Dormer windows to front and rear roof pitches of existing attic space.

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 27 October 2014.

Recent sales nearby

within 500 m

Residential Property Price Register sales within 500 metres of this site
Address	Date	Price	Distance
14 St Thomas Road, Mount Merrion, Blackrock	Jul 2025	€1,750,000	33 m
32 St Thomas Rd, Mount Merrion, Dublin	Mar 2025	€1,900,000	105 m
Apartments 1-11, Fitzwilliam Court, The Rise Mount Merrion	Dec 2025	€4,400,000	223 m
33 North Avenue, Mount Merrion, Blackrock	Sept 2025	€2,365,000	229 m
12 Foster Ave, Mt Merrion, Dublin	Oct 2025	€1,410,000	234 m
5 Greygates, Stillorgan Road, Mount Merrion	Jun 2025	€1,690,000	252 m
Apartment 4 Greygates, Roebuck Ave, Mount Merrionprice excludes VAT	Jan 2026	€190,000	256 m
14 Mather Rd North, Mount Merrion, Dublin	Jan 2026	€1,845,000	296 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 received2 July 2014
Decision issued29 July 2014

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

Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.

Community

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