Cost of an Electrician

What is the fair price to pay for the services of an electrician? How often should the electrical installation in my house be tested and how do I know the electrician doing the work

Why use a Which? Trusted Trader?

Why use Which? Trusted Traders? Which? has been rigorously testing products and services for nearly 60 years – now we are assessing and endorsing local tradesmen and tradeswomen.  Like our well known Best Buy