The Government says the changes will cut the annual housing benefit bill by £23 billion. It is also giving councils extra money to help vulnerable tenants. It said:
"It's not fair for people to continue to live in homes that are too large for their needs when in England alone there are around five million people on the social housing waiting list and over a quarter of a million tenants are living in overcrowded conditions."
Protests will take place across cities in the Midlands against the government's "bedroom tax" which will affect thousands of households.
A Midlands council is drawing up a petition against the so-called "bedroom tax", saying it will hit more than 6000 of its tenants.