Transporting yacht overland from northern Italy to a channel port

[MikeB.]

Grimaldi Lines do regular routes through the Med to Southampton Bristol and London, quite often there are boats on their Ro-Ro ships, according this website you could even travel on the same ship!
Home Page | Grimaldi Freighter Travel

Seven star Yacht transport also based in Soton
Sevenstar Yacht Transport | Sailing Yacht

 

[fisherman]

Passengers on Grimaldi are very well looked after, I have read. Italian cooking, few passengers, (swimming pool...?) many stops along the Med. At Avonmouth the steward made the taxi drive up through all eight decks to collect the writer.