Planning near you · Dublin · Ref D26B/0435

(a) single storey extension to rear and (b) loft conversion with new dormer to t

16, Glenbourne Close, Leopardstown Valley, Dublin 18, D18Y0H6

Decision code: GRANT PERMISSION

Council decision recorded: September 22, 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.

30 Jul 2026Application received
Source: NPAD
NPAD · source SHA-256: c35d7fb0252b41e7fb785914d94437e94c26018115890ad8ebf1ee033da6a340 · field: ReceivedDate
22 Sep 2026Council decisionGRANT PERMISSION
Source: NPAD
NPAD · source SHA-256: c35d7fb0252b41e7fb785914d94437e94c26018115890ad8ebf1ee033da6a340 · 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 → 2026-09-22

Observed: 30 September 2026. This describes our archive, not an application event date.

Why it matters locally

The proposal concerns 16, Glenbourne Close, Leopardstown Valley, Dublin 18, D18Y0H6. Proposal excerpt: “(a) single storey extension to rear and (b) loft conversion with new dormer to t”

Location & nearby applications

16, Glenbourne Close, Leopardstown Valley, Dublin 18, D18Y0H6

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.

An attic conversion for storage, raising the side gable to form a pitched roof,About 100 m · 9, Glenbourne Walk, Leopardstown Valley, Dublin 18, D18E9X5Ref D26B/0341/WEB · Decision code: GRANT PERMISSION
The construction of a side extension with skylights, the closure of theAbout 500 m · 1 Orby Lawn, The Gallops, Dublin 18, D18RY11Ref D25A/0711 · Decision code: DECLARE APPLICATION WITHDRAWN
Development consisting of a side and rear extension to the existing dwelling, miAbout 700 m · 30, Glencairn Walk, The Gallops, Dublin 18, D18C8C0Ref D26B/0379/WEB · Decision code: GRANT PERMISSION
Application for both Planning Permission and Retention Permission. The applicatiAbout 700 m · 25, Glencairn Road, The Gallops, Dublin 18, D18WF53Ref D26B/0381/WEB · Decision code: GRANT PERMISSION
The development will consist of the following principal elements:1) constructionAbout 700 m · Meadowfield House, Meadowfield, Ballyogan Road, Dublin 18, D18C6P9Ref D26A/0601/WEB · Decision code: DECLARE APPLICATION INVALID

Documents & sources

Dun Laoghaire Rathdown County Council · Reference D26B/0435

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

Site Notice · 2026-07-30
Newspaper Notice · 2026-07-30
Application - Cover Letter · 2026-07-30
Site Location Map · 2026-07-30
Decision Letter · 2026-09-23
Application · 2026-07-30
Planners Report · 2026-09-23
Plans, Sections, Elevations · 2026-07-30

Source records and verification details

Change record: NPAD · source SHA-256: c35d7fb0252b41e7fb785914d94437e94c26018115890ad8ebf1ee033da6a340

Proposal: NPAD · source SHA-256: c35d7fb0252b41e7fb785914d94437e94c26018115890ad8ebf1ee033da6a340

Latest source observation retained: 2026-09-30T08:31:27.041409+00:00. Source dataset date: 2026-09-24.

Full description from the council file

(a) single storey extension to rear and (b) loft conversion with new dormer to t

Application details

Reference: D26B/0435
Site address: 16, Glenbourne Close, Leopardstown Valley, Dublin 18, D18Y0H6
Application type: Permission
Latest reported outcome: Decision code: GRANT PERMISSION
Date received: July 30, 2026
Decision due: September 23, 2026
Council decision date: September 22, 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.

2026-09-23
- Source status: Referral → Assessment Period
2026-09-30
- Source status: Assessment Period → Decision Issued
- Council outcome: → GRANT PERMISSION
- Council decision: → 2026-09-22

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.