The number of rented homes owned via a corporate structure hit a record high in the first quarter of the year, as tax changes prompted landlords to operate as limited companies.
Some 27% of London properties rented out in Q1 were owned by companies, while the figure overall was 20%, according to Countrywide.
Its research director, Johnny Morris, said companies are generally taxed more favourably. Deterrents seem to have had limited effect, with many landlords simply adjusting their behaviour, in part because of the lack of yield elsewhere.