Planning Permission Ireland
GrantedExtensionDecided 7 March 2025

11, Trimleston Avenue, Booterstown, Blackrock, Dublin, A94VY07

Construction of a first-floor side extension, a ground-floor rear extension, and an attic conversion.

D25B/0017/WEB · Dun Laoghaire Rathdown County Council · Lodged 16 January 2025

Reference
D25B/0017/WEB
Authority
Dun Laoghaire Rathdown County Council
Register status
Decided
Type
Permission
Received
16 January 2025

Summary

AI-generated

The development consists of a first-floor extension to the side of the house and a single-storey ground-floor extension to the rear. It also includes an attic conversion with four rooflights and internal modifications.

Extensionextensionattic conversion

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

(1)provision of a first floor extension to the side and single storey ground floor extension to the rear, (2) attic conversion incl. 4 no. Rooflights, (3) internal modifications, landscaping 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
3 Trimleston Ave, Booterstown, Dublinnot full market priceJun 2026€370,00071 m
23 Bellevue Court, Booterstown, DublinJan 2026€436,000143 m
25 Bellevue Court, Dornden Park, Booterstownnot full market priceJun 2025€251,674143 m
36 Dornden Park, Booterstown, DublinSept 2025€1,311,000147 m
80 Trimleston Gardens, Booterstown, DublinMar 2026€985,000204 m
55 Trimleston Gardens, Booterstown, Co DublinMar 2026€1,030,000229 m
221 Llandaff Terrace, Elm Park, MerrionJan 2026€790,000231 m
53 Trimleston Gardens, Booterstown, DublinMay 2025€1,160,000236 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 received16 January 2025
  2. Decision due12 March 2025
  3. Decision issued7 March 2025

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