Planning near you · Dublin · Ref D26B/0425/WEB

Construction of a first-floor flat roof extension to the rear to provide an addi

1 Synnott Terrace, Dun Laoghaire, Co. Dublin, A96T858

Decision code: GRANT PERMISSION

Council decision recorded: September 16, 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.

24 Jul 2026Application received
Source: NPAD
NPAD · source SHA-256: 338427a3691f3c0028e3359e3ff55b3fc8485b1697b273ce272492bb59ec7db8 · field: ReceivedDate
16 Sep 2026Council decisionGRANT PERMISSION
Source: NPAD
NPAD · source SHA-256: 338427a3691f3c0028e3359e3ff55b3fc8485b1697b273ce272492bb59ec7db8 · 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 → 2026-09-16

Observed: 23 September 2026. This describes our archive, not an application event date.

Why it matters locally

The proposal concerns 1 Synnott Terrace, Dun Laoghaire, Co. Dublin, A96T858. Proposal excerpt: “Construction of a first-floor flat roof extension to the rear to provide an addi”

Location & nearby applications

1 Synnott Terrace, Dun Laoghaire, Co. Dublin, A96T858

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.

extension and modification to the existing dwelling. The proposed works will conAbout 200 m · 42, Smyth's Gardens (otherwise 42 Smyth's Villas), Dun Laoghaire, Co. Dublin, A96RX76Ref D26B/0493/WEB · Assessment Period
Retention of existing opening that was used to facilitate access during exempt dAbout 300 m · Wellington Street Frontage/Wall (To The Rear Yard Of No. 110a George’s Street Lower), Dun Laoghaire, Co. DublinRef D26A/0561/WEB · Decision code: GRANT PERMISSION & GRANT RETENTION
The development will consist of conservation and refurbishment works; internalAbout 400 m · 18, Vesey Place, Dun Laoghaire, Co. Dublin, A96X4Y6 (A Protected Structure)Ref D26A/0619/WEB · Decision code: DECLARE APPLICATION INVALID
The development will consist of conservation, refurbishment and alteration workAbout 400 m · 18, Vesey Place, Monkstown, Dun Laoghaire, Co. Dublin, A96X4Y6 (Protected Structure)Ref D26A/0686/WEB · Decision code: DECLARE APPLICATION INVALID
The development will consist of: conservation, refurbishment and alteration woAbout 400 m · 18 Vesey Place, Monkstown, DunLaoghaire, Co. Dublin, A96 X4Y6 (A Protected structure)Ref D26A/0694/WEB · Referral

Documents & sources

Dun Laoghaire Rathdown County Council · Reference D26B/0425/WEB

These documents are listed by the council. Open the council file above to view or download them.

Site Notice · 2026-07-24
Application Form - Part A · 2026-07-24
Newspaper Notice · 2026-07-24
Site Location Map · 2026-07-24
Site layout plan · 2026-07-24
Elevations · 2026-07-24
Decision Letter · 2026-09-16
Internal Report · 2026-08-27
Planners Report · 2026-09-16

Source records and verification details

Change record: NPAD · source SHA-256: 338427a3691f3c0028e3359e3ff55b3fc8485b1697b273ce272492bb59ec7db8

Proposal: NPAD · source SHA-256: 338427a3691f3c0028e3359e3ff55b3fc8485b1697b273ce272492bb59ec7db8

Latest source observation retained: 2026-09-23T08:29:33.192890+00:00. Source dataset date: 2026-09-17.

Full description from the council file

Construction of a first-floor flat roof extension to the rear to provide an addi

Application details

Reference: D26B/0425/WEB
Site address: 1 Synnott Terrace, Dun Laoghaire, Co. Dublin, A96T858
Application type: Permission
Latest reported outcome: Decision code: GRANT PERMISSION
Date received: July 24, 2026
Decision due: September 17, 2026
Council decision date: September 16, 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.

2026-08-22
- Source status: Referral → Assessment Period
2026-09-23
- Source status: Assessment Period → Decision Issued
- Council outcome: → GRANT PERMISSION
- Council decision: → 2026-09-16

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.