Migrants cooking meals in dangerous conditions in their rooms and evidence of black market work have been uncovered by the BBC, in rare access inside asylum hotels.
We went into four hotels, witnessing first-hand the lives of asylum seekers - some of whom have been living in cramped rooms for years and, in that time, have given birth to babies.
Migrants who had been moved from one part of the country to another told us they were sometimes forced to travel long distances back to attend NHS appointments in taxis costing hundreds of pounds.
Housing Minister Matthew Pennycook said the BBC's findings confirmed the government must "go faster" in ending the use of asylum hotels, looking at "all options including military sites".
The BBC investigation found:
