Hmmm thats a story in itself, the glass in place is better than the awful Q class planning it had, old plan had windows small and thin horizontally and above head height , to placate the whinging neighbours , who are not even very close, with the full planning I at least got bigger windows and decent height. Would love more solar gain but I have to work with what I could get.
The old barn will be going to the farmer selling the land, he takes it all down and keeps it I get extra land cos again due to neighbours I have to put in a 90 metre driveway, that parallels the access track/road. Overall a win win as it would have cost me 2k to take the old barn down.