In February, the charities wrote an open letter to Chancellor George Osborne, to ask the Government to exempt carers and disabled people.
"This policy will have a hugely detrimental impact on disabled people and their families. For example, family carers who care full-time, or who juggle work and care, may need to sleep in another room just to get a few hours of uninterrupted sleep."
More top news
MI5 has reportedly launched two urgent inquiries into how it missed the danger posed by the Manchester bomber, Salman Abedi.
Helicopters are searching for survivors who may be marooned after a weekend of heavy rain.
Thousands of people attended a protest on Copacabana Beach to demand presidential elections as pressure mounts on Brazil's leader to resign.