There comes a time when even a house that was brand new when you bought it starts to look a little tired and out of date. If you still love your home and have no desire to move, that's the time to look at upgrading your domestic systems and investing in some home improvements. Making sure your house has modern, efficient systems will not only save you money, but will improve your comfort levels in your home, and maintain the property's value in case you do decide to sell up.