£20 OFF the starter D-Link PowerLine HD Ethernet Kit DHP-301 for £64.99

By attaching one adapter from your router into your existing electrical system, you can turn every power outlet into a possible network connection. The advertised bandwidth is 200Mbps, depending on the wiring installed in your house.

This technology has become increasingly popular lately and is a good alternative to Wi-fi when you need to network your various pieces of household equipment over Ethernet. Please check carefully for any security breaches and make sure your neighbours are not browsing the Internet via your connection "by accident".