Customer Service is nonexistent. Telephone is not answered. After some time hiding on you get a message saying send an email. A while back they said emails would be answered within 3 days. They blocked my switch to a new supplier without any explanation so I sent an email requesting an explanation. The email response came EIGHT days later! Then after an unacceptable delay I managed to switch. My account with Avro was in credit. I have not had the refund which is now three weeks overdue. My chasing email has not been answered! A truly unacceptable service. Pathetic!