Recommended previously on the forum and I'm happy to concur. Knowledgeable, qualified and experienced (the primary things one needs from an electrician), also timely, tidy work.
John installed extra sockets for me and added an RCD (safety cut-out) to the fuseboard. (I was surprised to learn that mine didn't already have RCD failsafe.)
He's at:
Tel: 07977479071
email@ John.Durka@Yahoo.co.uk
Thanks to whoever recommended him also.