This should be done with an overview, considering future changes. People working out of their homes would want light and ventilation. People with hobbies or special interests need special zones. Knock out a few wall an increase your living space. Everything should be planned and provided for.
Homes are for people.
Before anyone undertakes any serious remodeling or repairs they should have the overall picture in mind. I recommend some basic consulting and planning even before ordinary maintenance. Almost always were going to save you money and headaches. We look out for our clients when they tell us about something they would like to do. We will tell you truly what would be the best approach.