Not straight off the bat, but here are three UK Nurseries that may be able to acquire some for you. Most places I've communicated with seem happy to keep eyes open and order in for their customers, so you never know
Hope your search goes well!
Welcome to Easy Orchids
The Hybrid link from this site has a gallery of Plants he has had in before. He also is quite willing to try and find specific plants if he can.
Ratcliffe Orchids
Not dealt with these guys yet, but seem to be very much into their Paphs.
Burnham Nurseries - the home of orchids on the web
Always has had great reviews and friendly. Also have a Face-Book site.