Proposals include restricting the use of no-fault eviction notices by private landlords, intended to give tenants more security and stability.
The report, conducted by the Pensions Policy Institute (PPI), stated that the biggest rise would come from private renters.
The survey found that 51% of private renters have heard of the Act but remain unclear about its implications.
In London, 96% of private renters in the lowest two income quintiles spent more than 30% of income on rent, compared to 65% outside the capital.
Private renter households faced the highest annual inflation at 3.6% in March 2025, mainly due to rising rental payments.
Private renters spent the highest proportion of income on housing in 2023–24, with affordability worsening for low-income households and younger renters increasingly locked out of homeownership.