When measuring for a new sofa, you’ll want to use a measuring tape to get accurate dimensions for your front door. This applies specifically to the door frame, as well as any other entryways and stairwells, to make sure your sofa will be able to fit through when it arrives.
If you’re buying an Allform sofa, this is less of a concern as assembly will take place after it’s in your home. But, like we said, you may be moving one day, so it’s worth looking at. Also measure any doors or entryways where you would potentially move your sofa, even if you’re not thinking about doing that just yet.