As with garden sheds, there are two ways to build a greenhouse: you can either buy the sheets of glass and the frame and do it yourself, or you can hire a professional. However, building a greenhouse can be a lot harder than building a garden shed, which is why even experienced DIY enthusiasts might want to think about calling in some professional help.
The main reason greenhouses are difficult to build is the material that they’re made from: glass. If you drop glass or install it wrongly, it will shatter, meaning that any mistakes you make will start to get expensive fast. Would you put in your own windows? If not, you probably shouldn’t be building a greenhouse. If greenhouses are built incorrectly, not only is it dangerous, but it is unlikely that any of your plants will actually grow properly. Also, it is very difficult to build greenhouses when the sun is shining, as you will get very hot