noun
renovation
ren-uh-VAY-shun/ˌrenəˈveɪʃn/
The repair or improvement of a building or space.
The room renovation includes patching cracked walls and installing new floorboards.

Etymology
The pieces describe the process of making something new again. Renovation already carried the sense of rebuilding after decay or damage, directly connecting renewal with repairing and improving a building.
In context
with the intention of renovating it to its original beauty. And as part of this renovation, a 23story guest room tower was added.
More examples
- The library closes for renovation next month.
- We finished the kitchen renovation under budget.
- These renovations make the old apartments safer.
Forms
renovation · renovations
renovate verb — To repair or improve a building or space.
Similar words
- remodeling
- Remodeling changes a space's layout or design, not just condition.
- restoration
- Restoration returns a building to an earlier or original condition.
- repair
- Repair fixes damage without necessarily improving the whole space.