Bryant’s review published on Letterboxd:
Another lovely Dahl adaptation! I can't imagine I won't enjoy all of these. This has a somewhat different slant than Henry Sugar, which was an intricate set of layered stories. The Rat Catcher is an exercise in minimalism. Although it's Wes Anderson, so there's a barely visible frame story anyhow.
One set for this. Maybe two if you think the hayrick was built on a different set, which is possible. Pointed use of invisible props; Fiennes does some marvelous heavy lifting giving presence to a tin and a couple of animals. It's as stripped down as Anderson can manage.
The third act opens the fictional world up with lighting effects and Rupert Friend's excellent animal imitations. The contrast is quite effective.