Delivery to UK addresses and VAT is included in the price for this non retail packed, sealed single port eSATA backplate with a SATA motherboard connector (p/n RB-400).
This eSATA backplate adapter by plugging the SATA cable onto your motherboard (you will need a free SATA connector on your motherboard) gives you an external eSATA port for connecting for example, an external hard disk caddy via eSATA.