This, as you can see is a relatively small job, completed quickly and left tidy and clean.
It is amazing how such a small change like this, can add “kern appeal” to your home. From a more functional point of view, an energy efficient install helps lower your heating costs and retain the heat in the home (or keep it out in the hotter months.
Porches are so much better at heat retention, as you are not directly entering the home, that few feet of space (not just for muddy shoes!) makes a massive difference to your home.