Naming what is being built
Use of to identify the structure or project.
Construction combines with different prepositions depending on meaning. Under construction is the most common fixed phrase for something being built.
Use construction of for what is being built, under construction for something currently being built, and in construction mainly in technical contexts. Construction for can show purpose. On construction is uncommon as a fixed combination and usually introduces a separate topic phrase.
These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.
Use of to identify the structure or project.
This fixed expression describes projects that are not finished yet.
Use in construction in technical or professional contexts.
For introduces the purpose or target use of a construction project.
The same subject can take different constructions because each sentence answers a different question.
Some combinations appear in real text but do not mean what learners often assume.
Use under construction when a project is being built.
✕ The mall is on construction. ✓ The mall is under construction.In construction usually refers to the industry, not the state of a building.
✕ The bridge is in construction. ✓ The bridge is under construction.Choose the expression that matches the intended meaning.
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Yes, it is the normal expression for unfinished building projects.
It is less natural in general English. Under construction is preferred for active projects.
It introduces the thing being built or created.
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