Measure the kitchen space
Decide the unit size and layout
Choose materials for the carcass, doors, and shelves
Gather tools and hardware
Cut the panels to size
Mark and drill fixing points
Assemble the carcass
Install the back panel
Fit shelves and supports
Attach the doors and hinges
Install handles or knobs
Level the unit
Secure the unit to the wall or floor
Fit the worktop if required
Check alignment and adjust doors
Seal edges and joints if needed