The proposed development will consist of subdivision of the existing site and c

What changed

First retained observation; this does not establish that the application is new.

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

Why it matters locally

The proposal concerns Lisheen, 31 Knocksinna Park, Newpark, Dublin 18, D18C5R3. Proposal excerpt: “The proposed development will consist of subdivision of the existing site and c” The appeal outcome is recorded separately from the council decision; the council decision alone gives an incomplete history.

Location & nearby applications

Lisheen, 31 Knocksinna Park, Newpark, Dublin 18, D18C5R3

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.

• Construction of two single-storey extensions to the existing dwelling, comprisinUnder 100 m · 30, Knocksinna Park, Foxrock, Dublin 18, D18K7Y0Ref D26B/0488/WEB · Assessment Period
• Amendments to permitted development under Reg. Ref.: D25A/0226/WEB to include oAbout 200 m · 108, Foxrock Park, Foxrock, Dublin 18, D18Y2N5Ref D26A/0442/WEB · Decision code: GRANT PERMISSION
• The development to be retained consists of a single-storey extension at groundAbout 400 m · Ballytrain, Stillorgan Road, Galloping Green South, Dublin 18Ref D26B/0145/WEB · Appeal decision: GRANT PERMISSION (2026-09-10)
• The development consists of a first floor extension to the side of the existingAbout 400 m · Ballytrain, Stillorgan Road, Galloping Green South, Dublin 18, D18 X9Y3Ref D26B/0364/WEB · Decision code: GRANT PERMISSION
• The development consists of a side-extension to the existing dwelling, construcAbout 500 m · 1, Willow Park, Westminster Park, Foxrock, Dublin 18, D18H1W5Ref D25B/0531/WEB · Decision code: GRANT PERMISSION FOR RETENTION

Documents & sources

Dun Laoghaire Rathdown County Council · Reference D26A/0195/WEB

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

• Land owner consent · 2026-03-12
• Other Assessments · 2026-03-12
• Application - Cover Letter · 2026-03-12
• Applicant Consent to Agent · 2026-03-12
• Site Location Map · 2026-03-12
• Site layout plan · 2026-03-12
• Site Notice · 2026-03-12
• Other Assessments · 2026-03-12
• Newspaper Notice · 2026-03-12
• Application Form - Part A · 2026-03-12
• Drawings - General · 2026-03-12
• Submissions/Observations · 2026-04-13
• Internal Report · 2026-04-16
• Internal-Transportation Report · 2026-04-27
• Planners Report · 2026-04-30
• Decision Letter · 2026-04-30
• Coimisiun Pleanala Appeals · 2026-05-18
• Coimisiun Pleanala Appeals · 2026-06-10
• Coimisiun Pleanala Appeals · 2026-06-12
• Coimisiun Pleanala Decisions · 2026-09-15

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.