We now have to accommodate three large wheelie bins in our front gardens in Barnet and rather than have to look at them every day I set about designing a storage cupboard to hide them. This also gave me the chance to build a small green roof, something that I have been interested in experimenting with for a while. I built the tray to hold 100mm depth of growing medium which should allow me to grow a reasonable variety of drought tolerant plants. Once filled with soil and plants it will be heavy