You may want to explain that better. Because its really not clear what you mean.

Because you aren't entitled to live in anyone's house for free. And if you don't own it... it isn't yours.

Hello r:

I don't see why not... Maybe there's more to this story..

excon

As noted we need more info. What housing benefit Why do you think you are being charged an extra month?

If you mean a year lease + one month's security or last month's rent, the answer is yes, they can.