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11 Trees Avenue, Mount Merrion, Blackrock, Co. Dublin, A94 W2A8

Referral

Planning application D26B/0522/WEB

Dublin - Dun Laoghaire Rathdown County Council

Proposed Development

Permission sought for: 1) Demolition of the existing two storey extension over g

Application Timeline

  1. Application received

    30 Sept 2026

  2. Decision due (upcoming)

    24 Nov 2026

Application Details

Location
11 Trees Avenue, Mount Merrion, Blackrock, Co. Dublin, A94 W2A8
Applicant
N/A
Application Type
Permission
Planning Authority
Dun Laoghaire Rathdown County Council
Site Area
690 ha

Timeline

Registration Date
30 September 2026
Status
Referral
Decision
Pending
Decision Due
24 November 2026

Location

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Planning Applications Nearby

What the council has granted and refused around this site is the best guide to how a similar application will fare.

15m
D25B/0008/WEBGRANT PERMISSION14 Jan 2025

The development will consist of: (a) demolition of existing single storey extens

9, Trees Avenue, Mount Merrion, Stillorgan, Co Dublin, A94A3Y0

15m
D24B/0534/WEBDECLARE INVALID (SITE NOTICE)13 Dec 2024

The development will consist of: (a) demolition of existing single storey extens

No. 9, Trees Avenue, Mount Merrion, Stillorgan, Co. Dublin, A94A3Y0

15m
D12B/0298GRANT PERMISSION25 Sept 2012

Permission is sought for construction works consisting of: 1.

9, Trees Avenue, Mount Merrion, Co. Dublin

15m
D12B/0298/EGRANT EXTENSION OF DURATION OF PERM.18 Dec 2017

Permission is sought for construction works consisting of: 1.

9 Trees Avenue, Mount Merrion, Co Dublin

19m
D09A/0127GRANT PERMISSION FOR RETENTION19 Feb 2009

Permission to retain two rectangular windows at garden floor extension, fitted

15, Trees Avenue, Stillorgan, Co Dublin

19m
D11A/0375GRANT PERMISSION5 Aug 2011

Planning permission for change of use from creche to Montessori within

15, Trees Avenue, Stillorgan, Co Dublin

19m
D12B/0212GRANT PERMISSION27 Jun 2012

Single storey, one-room extension at the rear of the entrance level with a north

15, Trees Avenue, Stillorgan, Co. Dublin

19m
D12A/0446DECLARE INVALID (SITE NOTICE)15 Nov 2012

Alterations to Final Grant of Permission Reg: Ref: D96A/0500 omitting Condition

15, Trees Avenue, Mount Merrion, Co. Dublin

19m
D13A/0030REFUSE PERMISSION24 Jan 2013

Permission for alterations to final grant of permission Reg Ref D96A/0500

15, Trees Avenue, Mount Merrion, Co. Dublin

19m
D06A/1977GRANT PERMISSION22 Dec 2006

A creche in rear garden level single-storey extension

15, Trees Avenue, Mount Merrion, Co. Dublin

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Open for submissions
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Observations close on Tuesday 3 November 2026, five weeks from the date the application was received. The fee is €20, and only planning grounds count.

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