Adam Terry from the charity Shelter who carried out the research says in some cases it has been a matter of hours following a complaint that the landlord has decided to evict the renter.
More top news
A drug gang leader who ran his operation from prison has been sentenced to an additional 6 years in jail.
A search has resumed for an RSPCA inspector who went missing while trying to rescue sea-birds from a cliff.
Hundreds of homes are still without power across Devon and Cornwall as power companies work to fix supplies.