7 Home Addition Mistakes to Avoid

Updated June 2026 · Awesome Additions · Sample editorial content

Most addition disasters trace back to a handful of avoidable mistakes. Here they are.

1. Building before permits. Starting work and chasing permits in parallel is the #1 cause of delays.
2. A vague scope. If it isn't written down, it's a future argument.
3. No real schedule. "A few months" is not a date.
4. Skipping structural engineering. Especially for second stories.
5. Ignoring how you'll live during the build.
6. Choosing a generalist who treats additions as filler work.
7. Picking finishes too late, which stalls the whole schedule.

The fix is a system

Every one of these is solved up front by The AG Standard. See also how to choose a contractor.