Think this has been more hassle than its worth!
The rather ingenious Ethernet Adapters, that use your mains system to transmit the data worked perfectly except that they interfered with the radio!
Have spent the morning routing a long Ethernet cable through the loft for a direct connection and all is now working fine.
On top of that problem BT hadn't registered my viewing pack so I was still being charged for programs, had to phone them in the end and within half an hour it was all working