Mike Simpson
A slimline dishwasher is 450mm wide. A full size dishwasher is 600mm wide. They are usually positioned near the sink. Whoever carries out this work for you may need to remove an existing unit to make room. Also provide new plumbing (cold feed only), waste and an electrical socket. If the unit you are removing is 450 or 600 wide you could use the door and have an integrated dishwasher, to match your units. Post the job for a local kitchen installer to come and give you a quotation. Kind Regards Mike