underground cable

Hi, I am building a summerhouse and want to lay an underground cable to the main house for electrics (it's only about 10m away). I will get an electrician to link it up to the house's electrics, but was wondering what sort of cable I will need. It will need to power a maximum of 3KW of...

I need to put in an underground telephone cable from a new build house. The distance from house to road up our private drive is approx 35m. The telegraph pole with the main line is approx 4m from our drive entrance. I'm planning on getting my own ducting grey plastic and the electric guys are...