Planning Permission Ireland
GrantedExtensionDecided 31 March 2026

16, Trimleston Gardens, Booterstown, Co. Dublin, A94VH26

Single storey rear extension, attic conversion with a rear dormer, and widening of the driveway entrance.

D26A/0074/WEB · Dun Laoghaire Rathdown County Council · Lodged 9 February 2026

Reference
D26A/0074/WEB
Authority
Dun Laoghaire Rathdown County Council
Register status
Decided
Type
Permission
Received
9 February 2026

Summary

AI-generated

The project includes a single-storey rear extension with rooflights and converting the existing hipped roof to a gable roof to accommodate a rear dormer extension. It also proposes rooflights to the front and widening the vehicular entrance to 3.5 metres.

Extensionextensiondormerattic conversiondriveway

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) single storey extension to rear of existing dwelling with rooflights; b) existing hipped roof converted to gable roof; c) dormer extension to rear; d) roof lights to front of existing dwelling; e) widening of the vehicular entrance to 3.5m; 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.

Recent sales nearby

within 500 m
Residential Property Price Register sales within 500 metres of this site
AddressDatePriceDistance
80 Trimleston Gardens, Booterstown, DublinMar 2026€985,00062 m
53 Trimleston Gardens, Booterstown, DublinMay 2025€1,160,000124 m
46 Trimleston Gardens, Booterstown, DublinJan 2025€1,200,000127 m
55 Trimleston Gardens, Booterstown, Co DublinMar 2026€1,030,000129 m
31 Trimleston Gardens, Booterstown, BlackrockOct 2025€968,000133 m
76 Fosterbrook, Stillorgan Rd, DublinDec 2025€905,000161 m
74 Fosterbrook, Stillorgan Rd, StillorganMay 2025€845,000163 m
83 Fosterbrook, Stillorgan Rd, Mount MerrionApr 2026€1,106,000169 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

  1. Application received9 February 2026
  2. Decision due2 April 2026
  3. Decision issued31 March 2026

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