Making kitchen plans costs an average of $600. It will then allow you to request an estimate from 2-3 kitchen designers if you wish.
Some kitchen designers offer free plans, but in the end, the price you pay hides plan costs well over $1,000. These free plans, you will not be able to keep them to make an estimate elsewhere. Avoid being at the mercy of a kitchen designer.
More details: https://www.101design.ca/tarifs-dun-designer-dinterieur-soumission-renovation/