Avoid BT at all costs - worst customer service in the UK
Only ever moved back to BT to get a broadband offer that required a BT line. Wish we never had. Absolutely dreadful customer service and poor attitude of staff - probably because they're dealing with complaints all day long!
Don't be tempted by the cheesy adverts or superfast broadband offers. It'll cost you more than it's worth in stress and annoyance. Not a company that makes you proud to be British.