The buildings at the farm here include a rectangular, post-medieval, 2-storey farmhouse, listed by Coflein at http://www.coflein.gov.uk/en/site/309508/details/CRUG+Y+BYCHAN/ Unfortunately, I didn't spot that before visiting, so I missed the opportunity to photograph it...
Uploaded to Geograph by Richard Law on 29 May 2011
Photo © Richard Law, 29 May 2011. Licensed for reuse under this Creative Commons licence