. area of land purchased by the government called the Royal Mint and sold to the Peabody Trust . new affordable flats built . 3 shillings for a 1 room flat per week . by 1881 , 287 flats had been built which houses 30,000 Londoners . improved ventilation and sanitation . Bathrooms , kitchens , laundry rooms. shared courtyard. despite this many could not afford to live here