BT has 1.2m TV customers in the UK

"In reporting its Q1 results, BT has revealed that it added 60,000 TV customers in the quarter, bringing its total to 1.2 million.
BT Sport average daily audience figures increased 51 per cent, which the telco said was its best performance since launch, reflecting the improvements it had made to the BT TV offering."

Source:  Advanced Television, 30th July 2015