How Much Do Home Replacement Windows Cost Plus, four other factors that can affect the cost of your home replacement windows project. According to REMODELING Magazine’s 2015 Window Cost vs. Value Report, a mid-range vinyl window replacement will cost you $11,198, based on the replacement of 10 windows in a typical home. The good news: The replacement will add $8,163 to the home’s value. That’s a 73% return on investment!