“restore to a good state of repair.”
In other words, dilapidated buildings or poorly maintained houses are sometimes considered to be in a state of disrepair. To renovate a house or building means to resurrect that structure from a state of disrepair.
Renovations can often be subtle, improving on the existing building or house. Or, they can be drastic, much like a remodel. Remember construction involving renovation often refers to “restoring” or “repairing” an existing structure, replacing the old with the new.
“to change the structure or form of something.”
If you’re looking to remodel your bathroom, you’re looking to change the appearance of it. If you’re looking to renovate your bathroom, you’re looking to repair or update it.
Remodels generally work to change the appearance, structure, or function of a room. In other words, a remodel works to improve upon or transform the existing design and layout of a room. Remodeling refers to “changing” or “transforming” a building or home.