overbuild
/ˌoʊvərˈbɪld/Definitions
1. noun
a structure or facility that is larger or more elaborate than necessary, often resulting in unnecessary costs.
“The company’s decision to overbuild the new office complex has put them in a financial bind.”
2. verb
to build or construct something to a greater extent or with more elaborate features than necessary.
“The developers overbuilt the new apartment complex, making it too expensive for many potential buyers.”