If you have limited space in your garden or want a place to grow delicate plants over winter then a lean to might be the best option for you. The sun not only heats the Lean-To but it also heats the wall against which it has been built. The wall will then release its heat into the Lean-To overnight thus keeping any heating costs down to a minimum. If possible place the Lean-To in front of a window & maximise on the heat lost from the house. The Lean-To has many advantages & should be given serious consideration when choosing your greenhouse. This greenhouse comes with 3mm horticultural glass or toughened glass or polycarbonate glazing.