Daily almost, bills unpaid - just as the last time

Advice - advice? Pay the bills

Avoid another warning letter
Avoid incurring MORE £ £ penalties Overdue amounts - Telephone call -Few mins ago British Gas/ Elec
Two accounts

cust ref 850009050560 £225.90 gas
ref 850010954166 £45.83 elec
Bills Both Unpaid, November issue dates (16/11, 24/11)
They say 'Final demands' are being phased out
They can't say when any further action will be taken
Mark fm billing dept called me, their no is 0800 0480101
The billing adress has been switched fm 8 South Parade Peterborough , Dad's address, to 20 Mayfield Rd Peterborough, M N and J H Davis address
1530 hrs 17.12.2012
Same as before, over and over... incurring penalties and distress to my mother.