Most of the heavy work you can do yourself, like digging a trench for the cable or running it along a fence if tat is safe. You will need SWA (armoured) cable and this will have to connected to a new MCB in your consumer unit or fuse box.
Then a small Consumer unit in the shed for power and lighting circuits. You need an electrician to do all the connections and testing but a lot of the time consuming cable clipping you could do yourself to save money.
Projects that add value to your home - Phil Spencer
Looking to extend your home but don't know where to start? Property expert and Rated People ambassador, Phil Spencer, shares some thoughts on why loft conversions are such a popular way to create more living space and add value to your home.