Awaiting decisionExtensionDecision due in ~4 weeks (18 August 2026)

89, Trimleston Gardens, Booterstown, Dublin, A94HN73

First-floor side extension, attic conversion with rear dormer, and widened driveway in Booterstown.

D26A/0472/WEB · Dun Laoghaire Rathdown County Council · Lodged 23 June 2026

Reference: D26A/0472/WEB
Authority: Dun Laoghaire Rathdown County Council
Register status: In progress
Type: Permission
Received: 23 June 2026

Summary

AI-generated

The application proposes a 26.5 sq.m first-floor side extension requiring a change to the roof profile. It also includes an attic conversion with a rear dormer, roof lights, and the widening of the existing vehicular driveway entrance to 3.5 metres.

Extensionextensionattic conversiondriveway

Storeys: 2
Floor area: 27 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

A 26.5sqm. First floor extension to the side of the existing house requiring a change in the existing roof profile. An attic conversion with a dormer to the rear, a velux roof light to the rear and three velux roof lights to the front of the house. Also, the widening of existing vehicular driveway entrance to an overall width of 3.5 metres and the re-location of existing pier and all 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
80 Trimleston Gardens, Booterstown, Dublin	Mar 2026	€985,000	40 m
53 Trimleston Gardens, Booterstown, Dublin	May 2025	€1,160,000	43 m
55 Trimleston Gardens, Booterstown, Co Dublin	Mar 2026	€1,030,000	45 m
46 Trimleston Gardens, Booterstown, Dublin	Jan 2025	€1,200,000	76 m
74 Fosterbrook, Stillorgan Rd, Stillorgan	May 2025	€845,000	82 m
76 Fosterbrook, Stillorgan Rd, Dublin	Dec 2025	€905,000	83 m
83 Fosterbrook, Stillorgan Rd, Mount Merrion	Apr 2026	€1,106,000	108 m
69 Fosterbrook, Booterstown, Blackrock	Jan 2025	€1,165,000	120 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 received23 June 2026
Decision due18 August 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

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