GrantedExtensionDecided 25 March 2026

"Crannagh" Grove Avenue, Blackrock, Co. Dublin, A94V218

Demolition of a conservatory and construction of new extensions and a dormer window at a house in Blackrock.

D26B/0049/WEB · Dun Laoghaire Rathdown County Council · Lodged 29 January 2026

Reference: D26B/0049/WEB
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 29 January 2026

Summary

AI-generated

The project involves the demolition of an existing covered link and conservatory. It will be replaced with a new ground floor link to connect an existing annex, new single-storey extensions to the rear and sides, and a new dormer window on the northern elevation.

Extensionrenovationextensiondormer

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

Demolition and removal of covered link and existing conservatory to the southern elevation, construction of new ground floor link to connect existing annex building and incorporate into house, new single storey extensions to rear and sides, removal of existing chimney to allow for construction of new dormer window to northern elevation at first floor level to house new staircase, fenestration changes at ground floor level along with ancillary site works.

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
19 Ascall Gleannart, An Charraig Dhubh, Baile Ath Cliath	Jan 2026	€1,380,000	50 m
5 Glenart Avenue, Blackrock, Co Dublin	Aug 2025	€1,900,000	77 m
7 Avoca Grove, Blackrock, Dublinprice excludes VAT	May 2025	€1,255,500	119 m
3 Avoca Grove, Grove Avenue, Blackrockprice excludes VAT	Jun 2025	€1,277,533	133 m
Dromore, Grove Ave, Blackrock	Mar 2026	€1,295,250	136 m
6 Avoca Grove, Blackrockprice excludes VAT	May 2025	€1,255,507	137 m
5 Avoca Grove, Blackrockprice excludes VAT	Jul 2025	€1,277,533	143 m
29 Avoca Park, Avoca Ave, Blackrock	May 2026	€1,520,000	147 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 received29 January 2026
Decision due26 March 2026
Decision issued25 March 2026

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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