The phrase "significant increase to" is grammatically correct and can be used in written English.
It is typically used to indicate a large or notable growth or jump in something. Example: There has been a significant increase to the company's profits this quarter, thanks to their successful marketing campaign.
It also plans a significant increase to the Food and Drug Administration to secure food safety.
Gun prosecutions are up under our administration and I have asked in this budget for a significant increase to enforce the laws, including more prosecutors, more A.T.F.
That is why Unison asks that the review body recommendations reflect the significant increase to NHS pay rates needed to protect their real value when inflation and other factors are taken into account.
The budget would also give a significant increase to the Food and Drug Administration to secure the safety of the food supply, part of what Tommy G. Thompson, the secretary of health and human services, described as an effort to strengthen the public health system.
New York City's Taxi and Limousine Commission agreed on Monday to formally consider a proposal from the yellow cab industry that would raise taxi fares by as much as 20 percent, a significant increase to a pricing structure that has been virtually unchanged since 2006.
The computer and Internet age enabled a significant increase to the pace at which new lead generation models were introduced to the world.
Many banks have been looking at other means of paying staff to get around the new tax, including significant increases to the basic salaries of staff.
Rather, he said, it needs steady and significant increases to build its capacity until it is sufficient to deter tax cheats.
To help pensioners before the introduction of the new system, the Government is planning a series of significant increases to the basic state pension and the minimum income guarantee.
The heavy lunch caused significant increases to both incidents and EEG power, and a trend for greater subjective sleepiness.
Mark Zuckerberg, founder of Facebook, and Bernard Arnault, CEO of luxury goods company LVMH, also saw significant increases to their wealth this year.
