Keep the following issues in mind: Tree houses do damage trees. Is it possible to make a treehouse good enough to live in, with appliances, etc.? http://www.thetreehouseguide.com/choosing.htm, https://www.telegraph.co.uk/news/uknews/law-and-order/5749382/All-tree-houses-need-full-planning-permission-new-rules-say.html, http://www.thetreehouseguide.com/constructiontutorials/whattypeofsupport.htm, http://www.thetreehouseguide.com/constructiontutorials/dangerous.htm, http://www.thetreehouseguide.com/constructiontutorials/fixturesandfastenings.htm, consider supporting our work with a contribution to wikiHow. No evidence of disease or parasites that could weaken the tree. 9 Steps how to make a treehouse: Step 1: Build The First Board. Run the beams between trunks of different trees. The point of your railing, of course, is to make sure that the treehouse occupants don't fall out. The bolt method. Even with tools already, the materials can cost close to $500. Cantilever the beams out from a single trunk and support them from above or below. The term “tree house” has not yet been explicitly defined in the legal texts and is therefore considered a legal grey area – we show what matters in detail! Otherwise, the tree will be more likely to treat the whole area of attachment as one wound and the entire area will decay. Steps of Nelson Treehouse Design + Build. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/a\/a0\/Build-a-Treehouse-Step-1-Version-5.jpg\/v4-460px-Build-a-Treehouse-Step-1-Version-5.jpg","bigUrl":"\/images\/thumb\/a\/a0\/Build-a-Treehouse-Step-1-Version-5.jpg\/aid207083-v4-728px-Build-a-Treehouse-Step-1-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"