In public housing blocks without full lift access, residents have to climb flights of stairs as part of their daily routine. For some ageing homeowners or those with young children, it can be a struggle. One night a few years ago, Madam Helen L had to call for an ambulance during a medical emergency and she needed to go to the hospital. “It was about three or four years ago. In the middle of the night, I went to the toilet and suddenly felt very giddy. I felt like I was going to black out and I