One-off house · Co. Dublin

84 Trimleston Gardens, Booterstown, Blackrock, Co. Dublin, A94X304

Decision due 4 Dec 2026

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Key facts

  • Planning application D26A/0764/WEB at 84 Trimleston Gardens, Booterstown, Blackrock, Co. Dublin, A94X304: I) a two storey extension to the side of the existing house.
  • The applicant is Liang Chen. The agent is Liam Beggy.
  • It was received by Dun Laoghaire Rathdown County Council on 12 Oct 2026.
  • Status: Decision due 4 Dec 2026.
  • The council's decision is due on 4 Dec 2026. Building work can only follow a grant of permission.

Source: the Dun Laoghaire Rathdown County Council planning register, checked 15 Oct 2026. Open the council's file

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What and where

I) a two storey extension to the side of the existing house

The development will consist of the construction of i) a two storey extension to the side of the existing house, ii) a single storey rear extension, iii) a dormer to the rear of the house at attic level, iv) two bay windows to the front elevation at both ground and first floor levels, v) a new porch entrance, vi) the widening of the site entrance and vii) all associated site works.

Location
Blackrock, Co. Dublin Map
Planning reference
D26A/0764/WEB
Application type
Permission
Applicant
Liang Chen
Council planning fileGet alerts

Numbers and dates

Homes
~1estimated from the application
Project type
One-off house
Received
12 Oct 2026
Decision due
4 Dec 2026

Outlook

What happens next

The council's decision is due on 4 Dec 2026. Building work can only follow a grant of permission.

An outlook from the planning record, not a tender or a confirmed start date.

Documents and evidence

Check the record

  • Council planning fileThe application file D26A/0764/WEB on planning.agileapplications.ie: drawings, reports and the decision.Open the council's file

How we know this

From the Dun Laoghaire Rathdown County Council planning register, checked 15 Oct 2026. We link to the council's own file so you can check the official record before you act.

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