and it is purely theoretical as I think even if our (dh and me) split is permanent I wouldn't have the heart to drag the DS's away from their friends/schools etc.
However, if you move somewhere totally miles away from where you're currently living - can you still get housing benefit where you move to?
Or am I thinking of something totally different (council housing list?) where you have to have been living in the area for x amount of time to even get a tiny chance of getting a house.