Planning near you · Dublin · Ref D26B/0401/WEB

The development will consist of the renovation and extension of existing 2-stor

42, Sycamore Road, Mount Merrion, Blackrock, Co. Dublin, A94Y1T0

Decision code: GRANT PERMISSION

Council decision recorded: September 04, 2026

Applicant: Not supplied in our sources
Proposed use: See council description

Timeline ↓Map & nearby Documents & full proposal

The story so far

Application timeline

Recorded milestones for this application. A permission is not evidence that building work has started.

14 Jul 2026Application received
Source: NPAD
NPAD · source SHA-256: bf710de23a1ac1ed99fea7abb9e0d3adfcc1f69606d84998a23f7fd2cc280f8e · field: ReceivedDate
4 Sep 2026Council decisionGRANT PERMISSION
Source: NPAD
NPAD · source SHA-256: bf710de23a1ac1ed99fea7abb9e0d3adfcc1f69606d84998a23f7fd2cc280f8e · field: DecisionDate

What changed

Updated in the retained record: Source status, Council outcome, Council decision.

Compare the previous and updated values

Source status: Assessment Period → Decision Issued; Council outcome: not supplied → GRANT PERMISSION; Council decision: not supplied → 2026-09-04

Legacy batch date (exact collection time unavailable): 16 September 2026. This describes our archive, not an application event date.

Why it matters locally

The proposal concerns 42, Sycamore Road, Mount Merrion, Blackrock, Co. Dublin, A94Y1T0. Proposal excerpt: “The development will consist of the renovation and extension of existing 2-stor”

Location & nearby applications

42, Sycamore Road, Mount Merrion, Blackrock, Co. Dublin, A94Y1T0

The marker is the source location, not the site boundary. Open larger map · Map © OpenStreetMap contributors.

Nearby applications

Closest retained records in this county within 5 km, measured between map points. Proximity does not establish a shared site.

The development will consist of: (1) Demolition of existing shed, conservatoryAbout 400 m · 26 Woodlands Avenue, Stillorgan, Co. DublinRef D26A/0433/WEB · Decision code: GRANT PERMISSION
Construction of a 52.79sqm wooden carport to the front of the property, the struAbout 400 m · 38, Woodlands Park, Blackrock, Co. Dublin, A94KN76Ref D26B/0470 · Decision code: DECLARE APPLICATION INVALID
(A) A rear and side ground and first floor extension to provide additional livinAbout 400 m · 33, Priory Avenue, Stillorgan, Co. Dublin, A94PY59Ref D26A/0389/WEB · Decision code: GRANT PERMISSION
Alterations to existing planning permission D25A/0068/WEB to include (a) singleAbout 500 m · 52, Beaufield Park, Stillorgan, Dublin, A94CX39Ref D26A/0386/WEB · Decision code: GRANT PERMISSION
The development will include the demolition of - the existing end of terrace parAbout 600 m · 57, Deerpark Road, Mount Merrion, Dublin, A94F761Ref D26A/0493/WEB · Decision code: GRANT PERMISSION

Documents & sources

Dun Laoghaire Rathdown County Council · Reference D26B/0401/WEB

Individual document links are not available in this retained record. Use the council file for the available drawings, reports and decisions.

Source records and verification details

Change record: NPAD · legacy batch; original response hash unavailable

Proposal: NPAD · source SHA-256: bf710de23a1ac1ed99fea7abb9e0d3adfcc1f69606d84998a23f7fd2cc280f8e

Latest source observation retained: 2026-09-21T10:01:30.400332+00:00. Source dataset date: 2026-09-10.

Full description from the council file

The development will consist of the renovation and extension of existing 2-stor

Application details

Reference: D26B/0401/WEB
Site address: 42, Sycamore Road, Mount Merrion, Blackrock, Co. Dublin, A94Y1T0
Application type: Permission
Latest reported outcome: Decision code: GRANT PERMISSION
Date received: July 14, 2026
Decision due: September 07, 2026
Council decision date: September 04, 2026
Authority: Dun Laoghaire Rathdown County Council

All recorded updates to this application

Dates below show when a change was first retained, not when a planning event happened.

2026-09-16
- Source status: Assessment Period → Decision Issued
- Council outcome: → GRANT PERMISSION
- Council decision: → 2026-09-04

Source: local authorities / National Planning Applications. Contains Irish Public Sector Data licensed under CC BY 4.0 where supplied by NPAD. Linked documents may have separate reuse terms.