Doing everything at once is definitely the way to go if you want to save money and get the mess over with. When we renovated, the contractor gave us a solid discount on labor because they already had the crew and disposal bins on-site. Living in a construction zone for two weeks was stressful, but it beats stretching the dust and chaos over two separate years. For our project, we used Windows and doors Markham — east York Region service to handle the whole house. My advice is to clear out your entryway completely before they start.