Some great ideas here. Maybe industrial retro could be extended to this concept.
Washed-out colours with strong black frame of intersecting planes suggesting purpose with being demanding. Austere-but-carefully-installed rectangular wall tiles suggest an environment where things are done with care and attention to detail. Still cared for and cleaned without frivolous waste of resources on matters such as renewing the slightly corroded light fittings.
The accumulation of artifacts of an ex-domestic provenance which have conspired to merge with their new environment. They know their place; happy to provide a little humour – but are they friends with the fixed pieces of furniture?