Planning near you · Dublin · Ref D26B/0337/WEB

Ground level single storey rear extension, alterations to existing rear extensi

36, Deerpark Road, Mount Merrion, Blackrock, Co Dublin, A94Y3K5

Decision code: GRANT PERMISSION

Council decision recorded: July 23, 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.

9 Jun 2026Application received
Source: NPAD
NPAD · source SHA-256: bf710de23a1ac1ed99fea7abb9e0d3adfcc1f69606d84998a23f7fd2cc280f8e · field: ReceivedDate
23 Jul 2026Council decisionGRANT PERMISSION
Source: NPAD
NPAD · source SHA-256: bf710de23a1ac1ed99fea7abb9e0d3adfcc1f69606d84998a23f7fd2cc280f8e · field: DecisionDate
26 Aug 2026Grant recorded
Source: NPAD
NPAD · source SHA-256: bf710de23a1ac1ed99fea7abb9e0d3adfcc1f69606d84998a23f7fd2cc280f8e · field: GrantDate

What changed

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

Compare the previous and updated values

Source status: Referral → Final Grant; Council outcome: not supplied → GRANT PERMISSION; Council decision: not supplied → 2026-07-23; Grant recorded: not supplied → 2026-08-26

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 36, Deerpark Road, Mount Merrion, Blackrock, Co Dublin, A94Y3K5. Proposal excerpt: “Ground level single storey rear extension, alterations to existing rear extensi”

Location & nearby applications

36, Deerpark Road, Mount Merrion, Blackrock, Co Dublin, A94Y3K5

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.

a) Demolition of existing c.178sqm two-storey (plus non-habitable attic space),Under 100 m · 32, Deerpark Road, Mount Merrion, Dublin, A94X7K4Ref D26A/0521/WEB · Decision code: GRANT PERMISSION
A first floor extension to front, side & rear of dwelling (floor area 31.30m.sqUnder 100 m · 48, Deerpark Road, Mount Merrion, Co Dublin, A94K3T7Ref D26B/0323/WEB · Decision code: GRANT PERMISSION
The proposed amendment consists of the omission of the previously permitted detAbout 100 m · 47, Deerpark Road, Mount Merrion, Co. Dublin, A94A9X5Ref D26A/0488/WEB · Decision code: GRANT PERMISSION
Demolition of the existing garage; construction of a single storey extension toAbout 100 m · 26, Wilson Road, Mount Merrion, Blackrock, Co Dublin, A94R8X3Ref D26A/0480/WEB · Decision code: GRANT PERMISSION
Single-storey flat roof extension to the side and rear, including the conversionAbout 100 m · 34 Wilson Road, Mount Merrion, Blackrock, Co. Dublin, A94F9N1Ref D26B/0476/WEB · Assessment Period

Documents & sources

Dun Laoghaire Rathdown County Council · Reference D26B/0337/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

Ground level single storey rear extension, alterations to existing rear extensi

Application details

Reference: D26B/0337/WEB
Site address: 36, Deerpark Road, Mount Merrion, Blackrock, Co Dublin, A94Y3K5
Application type: Permission
Latest reported outcome: Decision code: GRANT PERMISSION
Date received: June 09, 2026
Decision due: July 31, 2026
Council decision date: July 23, 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: Referral → Final Grant
- Council outcome: → GRANT PERMISSION
- Council decision: → 2026-07-23
- Grant recorded: → 2026-08-26

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.