GrantedExtensionDecided 16 July 2025

Rossmore, 16 Corrig Avenue, Dun Laoghaire, Dublin, A96W206 (A Protected Structure)

Alterations, renovations, and extensions to a protected semi-detached house in Dun Laoghaire.

D25A/0407/WEB · Dun Laoghaire Rathdown County Council · Lodged 23 May 2025

Reference: D25A/0407/WEB
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 23 May 2025

Summary

AI-generated

The project involves the demolition of existing non-original single-storey extensions to the rear and side of a protected structure. It includes the construction of a new 18 sq.m. two-storey extension and a 49 sq.m. single-storey extension to the rear, alongside internal and external modifications.

Extensionprotected structureextensionrenovation

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: alterations, renovations, and extension of the existing semi-detached two-storey house (a protected structure). Proposed works include; demolition of the existing non-original single storey extensions to the rear & side of the original structure; construction of a new 18 sqm two-storey extension & a new 49 sqm single-storey extension featuring a canopy overhang & external chimney, all to the rear of the existing structure; addition of 3 new window openings to the side of the original dwelling; modifications to the original structure to allow for the new layout & extensions including; - widening of two original window openings at the rear at upper ground floor level to provide access to the new rear single storey extension. , - forming of two new doorway openings, one at upper ground floor level & one at upper first floor level to provide access to the new rear two storey extension. , - removal of original internal walls and two existing internal doors at upper ground floor level to accommodate new hall layout & visit-able wc. , - removal of section of wall to hallway at lower ground floor level. , - blocking up of original internal door at upper first floor level forming of new internal doorway with the re-use of the original architrave and internal door in the new opening. , - modifications of the existing front porch to remove the non-original glazing & porch door with repair & restoration of existing front door. ; new replacement external timber door to lower ground floor front entrance; refurbishment of an existing retained original sash window along with replacement of non-original aluminium windows in original openings with new replacement timber framed windows throughout the existing building; repair & restoration of the existing main slate roof & cast-iron rainwater goods; provision of breathable thermal insulation to the interior of existing external walls at lower ground floor level; provision for solar panels to the valley roof slope; external works to include repair and restoration of cast iron railings & granite to front entrance steps; all along with associated general restoration & decoration works, site works, services & landscaping.

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
10 Corrig Ave, Dun Laoghaire, Dublin	Nov 2025	€1,286,250	72 m
34 Northumberland Avenue, Dunlaoughaira, Co Dublin	Dec 2025	€1,900,000	99 m
7 Corrig House, Corrig Avenue, Dun Laoghaire	May 2025	€308,000	102 m
29 Corrig House, Corrig Ave, Dun Laoghaire	Jun 2025	€225,000	104 m
The Coach House, Sydenham Mews, Corrig Avenue	Jan 2026	€750,000	115 m
9 Corrig House, Corrig Ave, Dun Laoghaire	Mar 2026	€378,000	115 m
Little Harvard, Rere Of 2 Crosthwaite Terrace, Dun Laoghaire	Jan 2025	€907,870	135 m
15 Northumberland Ave, Dun Laoghaire, Dublin	May 2025	€1,250,000	144 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 received23 May 2025
Decision due17 July 2025
Decision issued16 July 2025
Appeal submitted11 August 2025
Appeal decided20 November 2025

In the area

Applications near this site

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Related developments

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