Possible Clues:

• Polish language, by the sound of it
• The last thing you'd do would be to angle around Ulster
• End up with heartless Scandinavian
• Complete (6,3) - See 16
• Rather splendid end!
• Treatment of surface fashionable when wearing skates?
• The last of the fish around in here
• Put the final touches to curtains
• Get it in, in the seafood, but not for starters
• That's the last thing you'd put in in the seafood