GrantedExtensionDecided 12 March 2021

5 Hyde Park Avenue, Blackrock, Co. Dublin

Demolition of existing extensions and construction of new single and two-storey extensions in Blackrock.

D21A/0038 · Dun Laoghaire Rathdown County Council · Lodged 20 January 2021

Reference: D21A/0038
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 20 January 2021

Summary

AI-generated

The project involves the demolition of several existing single and two-storey extensions, a chimney, and rear sheds. It proposes the construction of a new single-storey front extension, a two-storey side extension, a single-storey rear extension, an attic dormer window, and the widening of the vehicle gate.

Extensionextensiondemolitiondormer

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

Following development. Permission is sought for demolition of: single storey extension to front; 2-storey extension to side; single-storey extension to rear; chimney to rear; sheds to rear, and construction of: single-storey extension to front; 2-sorey extension to side with rooflight to side; single-storey extension to rear; attic dormer window to rear main roof; bin/bike store to front garden, widen existing vehicle access gate to 3.5m, along with all associated landscaping and drainage wor...

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 7 October 2021. A completion certificate was lodged on 13 July 2022.

Notified floor area: 238 m²

Recent sales nearby

within 500 m

Residential Property Price Register sales within 500 metres of this site
Address	Date	Price	Distance
17 Hyde Park Avenue, Blackrock, Co Dublin	Dec 2025	€1,600,000	60 m
54 Waltham Terrace, Blackrock, Co. Dublin	May 2025	€2,200,000	122 m
14 The Elms, Mount Merrion Ave, Blackrock	Apr 2025	€470,000	168 m
15 The Elms, Mount Merrion Ave, Blackrock	Mar 2026	€490,000	168 m
7 Waltham Hse, Clonfadda, Blackrock	May 2026	€625,000	191 m
4 The Elms, Mount Merrion Ave, Blackrock	Sept 2025	€500,000	195 m
17 Southwood Park, Mount Merrion, Blackrock	Mar 2025	€1,580,000	203 m
Apt 11, Dawson Court, Cross Ave	Jan 2025	€480,000	205 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 received20 January 2021
Decision issued12 March 2021

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