As your building process moves forward there's a point where many clients want to make changes. So are doable, and others are not without being extremely costly. While it may seem an easy fix, there are many components to changes often involving redesign, structural support or more in-depth re-creations, but there are also some options for changes. This article explains the places, where and where not, to try and add changes into your current building plans, once it's in process. https://houseplans.co/articles/making-changes-your-house-plans-after-construction/