This is the reason we think it was originally two neighbouring buildings. On the first floor we see what appears to be the roof beams of another structure with the join between the two, simply roofed over.
We were grateful to the owners at the time in 2014, for permission to have a private tour. A great deal of care and effort was given to preserve the interior, showing off its features to best advantage. As the owners said at the time, it was a voyage of discovery.
With respect to the then owners, we limited published pictures to protect their privacy