There’s a lot of electrics in the kitchen, from appliances to sockets. But music systems and undercounter and inbuilt lighting could also readily be added to your list. You need to know what you want, and where, at the earliest design stage.
On self-builds, hiring a lighting designer is not the norm but it’s worth considering if you have the budget. Lighting may seem easy but it’s actually quite tricky to get right.
Effective lighting is a must in kitchens, both for functionality and to create atmosphere, with mood lighting particularly important in open plan designs.