Across the UK over £500 million worth of gas and electricity is stolen from energy companies every year, and to make up for it £30 is added annually to the bills of honest customers.
We follow British Gas as it tackles 'gas theft' in the Welsh capital.
X-Ray's Rachel Treadaway-Williams speaks to families who had to move out of their homes because of sewage leaks and a burst water pipe.
But six months on, they are still waiting for the damage to be repaired.
Some of us don’t like complaining – even if we’re entitled to.
But if you buy goods and they’re not “as described, of satisfactory quality and fit for purpose” then the Sale of Goods Act (1979) is on your side.