Good pic of Melgarve, probably built in the late 40s, Melgarve was the drove stance for cattle coming over the Corrieyairack. By the middle of the century some estates were charging so much per score for droves overnighting at the stance so a house at the back of beyond makes sense?
https://m.geograph.org.uk/photo/4023404By a Nic Bullivant, this is actually the back of the house.
Bests,
Skoosh.