GrantedExtensionDecided 22 June 2021

4 Stillorgan Park, Blackrock, Co. Dublin

Construction of front, side, and rear extensions, plus an attic conversion with a dormer window.

D21B/0103 · Dun Laoghaire Rathdown County Council · Lodged 1 June 2021

Reference: D21B/0103
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 1 June 2021

Summary

AI-generated

The development consists of two new bay windows to the front, a two-storey side extension, and a two-storey rear extension to replace previous extensions. It also includes an attic conversion with a dormer window.

Extensionextensionattic conversiondormer

Floor area: 143 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 development. The development will consist of the provision of; two new bay windows to the front elevation measuring 5 sqm at ground and 5 sqm at first floor level, a side extension measuring 27 sqm at ground and 27 sqm at first floor level, a rear extension of 52 sqm at ground and 27 sqm at first floor level all replacing previous extensions, and a dormer window and attic conversion, including all necessary 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
6 Stillorgan Park, Blackrock, Dublin	Mar 2026	€1,380,000	18 m
41 Stillorgan Park, Blackrock, Dublin	Jul 2025	€2,806,000	59 m
1 Obelisk Ave, Blackrock, Dublin	Dec 2025	€625,000	111 m
2 Obelisk Walk, St Augustines Park, Carysfort Ave	Feb 2025	€555,000	120 m
Rhus Lodge, 17 Stillorgan Park, Blackrock	Jun 2025	€1,460,000	132 m
El Jadida, Stillorgan Park, Blackrock	May 2026	€1,730,000	137 m
50 Stillorgan Park, Blackrock, Co Dublin	Apr 2025	€1,630,000	141 m
5 Coppinger Walk, Blackrock, Dublin	Jan 2025	€585,000	153 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 received1 June 2021
Decision issued22 June 2021

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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