"Studio HDBs" are already replaced because of the 2-room Flexi flat scheme, which serves a similar intent, especially for seniors. These flats can be found in two dimensions, about 36 sqm and forty five sqm, giving just one Bed room, a living place, a kitchen, and also a rest room. https://studio-hdb-singapore-14059268.blogdigy.com/studio-hdb-singapore-140-24-57035021