Went into Currys today looking specifically for a homeplug kit and came away with this Belkin Powerline (Homeplug) starter kit, which contains 2 powerline adapters, extended power cords (so you don't have to have space around the plug) and 2 ethernet cables.

The sign next to the adapters showed £39 more...

Simply Plug and Play to create a network throughout your home. Uses existing electrical wiring and operates at speeds up to 85mbps.

* Create a network through your home
* Simply Plug and Play
* Uses homes existing electrical wiring
* Operates at speeds up to 85mbps
* Up to 300m more...