Vodafone,Plusnet,TalkTalk and even Virgin Media could even be possible buyers.
Plusnet owned by BT, a sneaky way of retaining custom and a BT service with less Ofcom regulation, a perfect solution to making Plusnet bigger.
Vodafone, recently acquired Cable and Wireless which has an under-used LLU network. Vodafone is looking into the consumer fixed line and broadband business. A good way to start.
TalkTalk, over the years have taken over many companies, OneTel&British Gas,Tiscali,Tele2 and Toucan Talk. Bulldog and Pipex has been off loaded again.
Virgin Media possibly to maintain its market share.
The O2 brand could be kept and used under licence to Telefonica O2. Retaining customer discounts.