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One-off house · Co. Dublin

Onglas, Tibradden Lane, Rathfarnham, Dublin 16, D16XC57

Declared invalid 28 Sep 2026

What and where

Alterations and extensions to the existing dwelling

The development will consist of alterations and extensions to the existing dwelling, comprising ground floor extensions; alterations to the internal layout and external elevations; conversion and extension of the existing attic space to provide habitable accommodation, including the addition of a north-west-facing dormer; alterations to the existing roof profile to accommodate the proposed extensions, while maintaining the existing ridge height, including the provision of rooflights; together with all associated site development, drainage, landscaping and ancillary works.

Location
Dublin 16, Co. Dublin Map
Planning reference
D26B/0516/WEB

Key facts

Homes
~1estimated from the application
Project type
One-off house
Received
24 Sep 2026
Declared invalid
28 Sep 2026

Timeline

  1. Application received
  2. Declared invalid

Outlook

What happens next

Work packages named so far

  • Services and drainageNamed in the application description

An outlook from the planning record, not a tender or a confirmed start date.

Documents and evidence

Check the record

  • Council planning fileThe application file D26B/0516/WEB on planning.agileapplications.ie: drawings, reports and the decision.Open the council's file

How we know this

From the Dun Laoghaire Rathdown County Council planning register, checked 30 Sep 2026. We link to the council's own file so you can check the official record before you act.

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