Working with an already defined architecture severely narrows the architect-designer's options. But we try& to& find& the& pluses,& using& this& as& a& test& of& skill. Paying attention to details and little things, we accomplish our goal with small changes.
For example, here are a few ways to work on a project in the sketch phase. You think you just change the shape of the second floor window, and it changes the whole look and feel of the house.
The customer wants the second option. Which one do you prefer?