under construction

under construction

1. Currently undergoing construction or repair work. The famous cathedral has been under construction to varying degrees since 1882. Sorry, the road here is under construction, so you'll have to go a different way.
2. Currently being designed or coded. Said of something distributed on or accessed via the Internet, especially a website. Our new homepage is under construction, but you can still buy merchandise from our online shop. By popular demand, I'm thrilled to announce that we will soon have a new app for smartphones! It is currently under construction and should be available this fall.
Farlex Dictionary of Idioms.

under construction

Fig. being built or repaired. We cannot travel on this road because it's under construction. Our new home has been under construction all summer. We hope to move in next month.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • a hand's turn
  • bump along
  • be out of the blocks
  • brown out
  • carry the torch
  • be off the (starting) blocks
  • come out against
  • come out against (someone or something)
  • come out in favor of (someone or something)
  • demonstrate for
References in periodicals archive
The new 375-bed hospital is under construction the geographical centre of the city near Lakehead University.
Construction industry bolstered by billion-dollar hospital restructuring: officials have pegged the net economic benefit of hospital construction in the North at $3 billion once all projects are complete. (Construction & Comm Real Estate)
1.163-10T(p)(5), a taxpayer may treat a residence under construction as a qualified residence for a period of up to 24 months prior to occupancy, if the dwelling becomes a residence when ready for occupancy; see also Notce 88-74.
Maximizing the interest expense deduction on a self-constructed residence
Although 13.6 million square feet of office space is either planned or under construction, most of this space is pre-leased and does not increase available office space enough to accommodate the projected need for 40 million square feet by 2010, the report states.
Boom Won't Go Bust Soon
With one finished shopping centre, a second being expanded and a third under construction in North Bay, Knifton, owner of Plaza One Developments Corp., announced that his firm will construct a fourth plaza.
Construction levels maintained despite the slowdown nationally
In addition, $3 to $4 billion is now in the design phase, much of which will be under construction during 1995.
Residential construction market rebounding
At the same time, Kreisler Borg Florman completed three apartment houses for the elderly in Mamaroneck, White Plains and Peekskill, New York, and have under construction three more in Manhattan in Clinton, Chinatown, and Lower East Side neighborhoods.
Construction update: where's the work?