GrantedExtensionDecided 28 January 2025

11, Sion Road, Glenageary, Co. Dublin, A96P9X7

Demolition of a rear extension to build a new single-storey rear extension, with external insulation and internal alterations.

D24A/0949/WEB · Dun Laoghaire Rathdown County Council · Lodged 29 November 2024

Reference: D24A/0949/WEB
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 29 November 2024

Summary

AI-generated

The project involves demolishing an existing 45 sqm rear extension and constructing a new 48 sqm single-storey flat-roof rear extension. Additional works include external insulation, internal layout changes, removing two chimneys, and widening the front gateposts.

Extensionextensiondemolitionrenovation

Floor area: 48 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 is sought for the demolition of rear single storey extension (totalling approx. 45sqm) and the construction of ground floor single storey flat roof extension to rear (totalling approx. 48sqm). The development will also include externally insulating the retained house (render and brick slip finish), alterations to internal layouts, changes to selected existing window opes, removal of 2 no. Chimneys, proposed rooflights, widening of existing gateposts and all associated site works.

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 16 June 2025.

Notified floor area: 210 m²

Recent sales nearby

within 500 m

Residential Property Price Register sales within 500 metres of this site
Address	Date	Price	Distance
50 Avondale Rd, Killiney, Dublin	Jun 2025	€950,000	98 m
22 Avondale Rd, Killiney, Dublin	Aug 2025	€935,000	122 m
19 Bellevue Ave, Glenageary, Dublin	May 2025	€430,950	127 m
24 Bellevue Ave, Glenageary, Dublin	Jan 2025	€1,580,000	155 m
St Helier, 9 Avondale Park, Killiney	Jan 2025	€965,000	165 m
18 Avondale Rd, Killiney, Dublin	Jul 2025	€935,000	189 m
19 Bellevue Road, Glenageary, Dublin	Sept 2025	€1,270,000	204 m
Apartment 14, Feldburg, Glenageary Road Upper	Aug 2025	€477,500	225 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 November 2024
Decision due31 January 2025
Decision issued28 January 2025

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