Looks like this is the 'basic' package. http://www.bt.com/includingyou/bt-basic-broadband.html
You could try the options team who are uk based 0800800030
you may find though you cannot combine basic phone line rental with a more expensive broadband package. After all it is intended for low income to save money
i took out Bt basic and they wanted to charge me £30 a month , offers do not apply to Bt basic . Stay Away !!!!!