build (something) over something

The two of them built a close relationship over the years.

The project will be built over a period of about five years.

Built over the next four years, the current church has been in use since 1882.

The Center itself was built over a period from 1959 to 1966.

The current church was built over the course of 30 years, beginning in 1070.

The church was built in 1250-60 over a building from the 11th Century.

A second wall was built over the first in the 13th century.

What can you build over the next year that will take time now and pay off later?

It will be something to build on over the coming weeks.

It was built over the course of ten months in 2004.