The group would be a catch for Barclays, which already owns former building society the Woolwich. B&B, which owns the Charcol mortgage broking business, is now the country's biggest independent financial adviser and fourth-largest estate agent. Even if a deal with Barclays comes to naught, B&B is increasingly seen as having put itself in play. Other potential bidders include Royal Bank of Scotland, National Australia Bank and Alliance & Leicester.