WithdrawnExtensionDecided 3 March 2026

85, Silchester Park, Glenageary, Dublin, A96Y9T1

First-floor extensions, attic conversion, and a garden room in Glenageary.

D26A/0156/WEB · Dun Laoghaire Rathdown County Council · Lodged 1 March 2026

Reference: D26A/0156/WEB
Authority: Dun Laoghaire Rathdown County Council
Register status: Decided
Type: Permission
Received: 1 March 2026

Summary

AI-generated

The development consists of a first-floor extension over the existing side garage, a cantilevered first-floor rear extension, and an attic conversion with a rear dormer. It also includes a single-storey flat-roof garden room and the widening of the vehicular gate.

Extensionextensionattic conversiongarden room

Storeys: 3

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 to a semi-detached dwelling. The development will consist of construction of - a first floor extension with a pitched roof over the existing side garage, a first-floor cantilevered extension with a flat roof to the rear, an attic conversion to habitable space with a rear dormer window and 2 no. Velux rooflights, a single-storey garden room with a flat roof to the rear, the relocation of an existing garden shed, widening of vehicular gate and associated 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
104 Silchester Park, Glenageary, Co Dublin	May 2026	€1,200,000	76 m
No 1 Gowrie, Glenagearyprice excludes VAT	Feb 2025	€1,198,307	95 m
Apt 6 Greythorn Manor, Glenagearyprice excludes VAT	May 2025	€700,441	95 m
2 Altadore, Glenageary Rd Upper, Glenageary	Dec 2025	€1,450,000	145 m
139 Silchester Park, Glenageary, Dublin	May 2026	€1,300,000	186 m
4 Marlborough Park, Glenageary, Dublin	Nov 2025	€1,180,000	186 m
Glencar, 148 Upr Glenageary, Rd Glenageary	Feb 2025	€1,025,000	253 m
18 Bóthar Silchester, Gleann na gCaorach	May 2026	€4,400,000	273 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 March 2026
Decision due24 April 2026
Decision issued3 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

Ranked by what these developments actually propose, not by matching words — so you can see how comparable applications were decided.

Community

Discussion

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