Garden room or granny flat at Carrowmore, Knock, Co. Mayo
Planning application 2660157 to Mayo County Council.
The development will consist of 1.) the renovation and extension of an existing dwelling house 2.) the partial conversion of an existing garage into a home office together with all ancillary site works.
Decision
Granted
20 April 2026
7 weeks after it was received
Key dates
27 February 2026
Application received
20 April 2026
Permission granted
Application details
- Council
- Mayo County Council
- Reference
- 2660157
- Site address
- Carrowmore, Knock, Co. Mayo
- Town or area
- Knock
- Type of project
- Garden room or granny flat
- Site area
- 0 m²
- Permission expires
- 20 May 2031
Planning something near here?
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Source: National Planning Application Database and Mayo County Council, licensed under CC BY 4.0. Applicant names are never published. Request removal of this record. This page is a guide and may be out of date, so check the council portal for the latest.

