The big problem with Magento somehow amending the url key to include the SKU where
and the SKU is
Any ideas? Not sure if I can handle via .htaccess or how?
In both Magento 1.x and 2.x you can change the URL key field from admin itself.
Hope this helps you.
You can change url that product by configure:
Admin Panel > CATALOG > select Products > select your product > select tab Search Engine Optimization > URL Key > change your url > Save
I hope it help you.