Learn Hardcore Japanese: naikensita ato, haha to yatin ni tuite soudansimasita. - After the viewing, I consulted with my mother about the rent.

Breakdown of naikenshita ato, haha to yachin ni tsuite soudanshimashita.

What does 内見したあと mean exactly?

It means after doing a viewing or after going to see the place.

So the pattern is:

Here:

Why is it 内見したあと and not 内見するあと?

Because あと normally follows the past form of a verb when it means after doing something.

Pattern:

Even if the whole sentence is in the past, present, or future, the action before あと is usually shown as completed with the past form.

For example:

Could this also be 内見のあと?