I can only comment on the experience i had, and what i was told at the council offices - they told me in near enough the following words (it was a few years ago now) that because i was british, male, not pregnant, paid all my taxes, and not foreign, i was at the bottom of the list - so would never be able to help, however if i was a female pregnant immigrant, i would be in a house with benefits within hours. Age was not mentioned - whether this would have made a difference i do not know. They did however give me details of a local homeless charity - so i popped down to them and all they could do for me (for same reasons as above) was give me a piece of paper with some websites on to find housing. These consisted of rightmove, primelocation, zoopla etc. not much help.
All i was eligible for was less than £10 a day unemployment. So whilst it was snowing and minus temperatures, i lived in the car.