Full Gallery of recently released press shots.
http://www.seatcupra.net/gallery/main.php?g2_itemId=34086
Leather interior - (albeit expected to be optional)
While the international websites can give you an idea of pricing and options, it's SEAT UK that set the final cost of product in the UK. They could request that the UK models have leather as standard (though this is doubtful)
They will come to an agreed cost with the SEAT factory who will build them to that specification. It maybe no different than the international specification but until SEAT UK announce prices and options you shouldn't take the info published on the international sites as fact.