Langley Cottage is my go-to accommodation in Coonabarabran. It's a beautiful older home, gorgeously renovated, clean, spacious, well appointed, with great guest facilities. Beds are super comfy, AC works great, and the supplied breakfast is awesome.
Gwyny is also a lovely host, very helpful and generous, nothing is too much trouble. The other staff are also very friendly and helpful.
I can't say enough nice things about Langley Cottage, it's like a home away from home. I've stayed a few times, both alone and also with my family, and it's always been a pleasure. My stays there are a highlight of my trips to Coona.