You'd think they're the same as some people use these terms interchangeably, but they're different avenues for home improvement. Remodelling can involve making drastic structural changes in a home while renovating is often cosmetic. It's not uncommon to tear down walls, add more square footage by extending the space when remodelling. On the other hand, renovating can be as simple as repairing any damage in your home, then installing new light fixtures, tiles, doors and windows.