Celia and Diana did not run into any major problems because luckily, the designers they entrusted the production of their house with were incredibly skilled and precise people in their area of expertise. The major prospect of the film was for the couple to have confidence in the designers, especially since they were patrons of an experiment to an unconventional type of building that had never been tried before. The couple did not have trouble with establishing their preferences and contending for it to be done.
Celia
and Diana did end up going over-budget from their original set goal, in part of the designers having given them multiple small but accumulative options. However, this was a complication that they could have easily avoided if they truly wanted to. It was their decision to pursue the details that they believed had aesthetically improved their house.
Although it might have at first been difficult to entrust the designers in their skills with accomplishing this large experiment, patronage is an astonishing medium that enables us to achieve greater complex concepts by utilizing the expertise of various people.