A question that comes up often is how to professionally measure for fitted blinds. This is very important if you are buying blinds based on your measurements, if you get it wrong you could be left with blinds that don’t fit.
Here is a video that will walk you through the process:
The basic idea is to take three measurements of the recess, height and width. Then you use the smallest of the three measurements. Make sure when you purchase online or from a local company that you give them the true smallest size. You do not need to take anything off of this size as the manufacturers will automatically take the correct amount off for your chosen type of blinds.