House extension retained, shed converted to granny flat, septic tank upgraded

Granted with conditions on 28 April 2026

Patricia Lonergan has been given the go-ahead to keep an extension she's already built onto her house in Achill, convert an existing shed into a granny flat, and upgrade her septic tank system. The decision comes with conditions that will need to be met.

Full description from the council file

The development consists of 1.) the retention of the extension to existing dwelling house as constructed, 2.) permission to convert the existing shed to a granny flat and 3.) upgrading the existing septic tank and percolation including all ancillary site works.

Details

Reference: 2660010
Applicant: Patricia Lonergan
Site address: Bollinglanna, Corraun, Achill, Co. Mayo, F28 AD98
Status: Decision code: CONDITIONAL
Date received: December 19, 2025
Decision due: May 12, 2026
Date decided: April 28, 2026
Authority: Mayo County Council

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Source: Mayo County Council planning portal. Full file, drawings, observations and decision documents are on the council's own ePlan site — view application 2660010 on the council portal →.
Plain-English summary on this page is auto-generated from the public council record by localnews.ie.