Thanks for your replies.
ericmark, Can you send me a link to the smaller plugs and sockets that I could use. The depth from my tv to the wall is only about 10-15mm therefore Im not sure this solution will work.
Could I run 2.5mm3 cable from the socket which I am spurring from, to behind...
I am looking to install a wall mounted LED tv with a sonos playbar also wall mounted underneath.
As the gap between the TV and the wall is minimal would it be possible to install an FCU (spurred off of a double socket on the ring main) behind the TV with both the TV and Playbar hard wired...