When you're wiring;
Lots of power sockets in the kitchen and study.office.
In the living room, I prefer a variety of table and floor lamps, and I like them wired to one circuit so they can all be turned on from one switch by the door.
In the bedroom, I like a bedside light for every sleeper, The bedside sshould be wired so that it can be turned on and off from both the doorway,AND in bed, on a wall switch mounted just above the bedside table
In the kitchen, I much prefer drawers to cupboards. Deep drawers are great for pans, plates etc.
My best ever kitchen had stainless steel food prep area and a walk-in pantry with shelves on three sides.
Bathroom; I like a bidet and a LARGE walk in shower where the (powerful) shower can be activated before I enter, No nasty blast of cold water. Heated ladder towel rail.
His and hers basins are the work of the devil. Save the space for a bidet.
I could not be faffed with a roomba (friend has one, slow and pesky) but I do appreciate having two vacuum cleaners, one lives upstairs and one downstairs.
Utility room; as well as tumble drier I like an oldfashioned ceiling rack ( so useful for stuff that can't be tumble dried, like wetsuits, linen, silk and wool) . An ideal utility room would be big enough to leave the ironing board up and ready
I like the front door to be under a recessed overhang or large porch so that arrivals are sheltered from rain (while finding my keys) and deliveries can be left dry.
Every home needs a shelved airing cupboard to store bedlinen and towels