Since the cost for fencing can vary widely, it's important to estimate cost per project, keeping the specific materials and dimensions in mind. Nationally, costs range from about $1,500 to $4,000 for new fence installation. On average, homeowners spend $2,550, but prices can vary slightly by region.Continue Reading.verage price per foot : $20 to $30. Not only is wrought iron the most secure type of fencing, but it's also considered to be the most traditionally beautiful. This heavy-duty material also makes for a very effective fence that will keep your yard secure from unwanted human, animal, and other guests.