Close but not quite the same as the South Hants 31 and different designers.I found this link.
COMMANDER 31 (BIANCA) Sailboat details on sailboatdata.com
And this one for the SHE 31
She 31 archive details - Yachtsnet Ltd. online UK yacht brokers - yacht brokerage and boat sales
Looks like a good design though. I have always liked the South Hants boats and it is very similar.