既存きそん適格てきかく建築けんちくものでしょう
kisonfuteki kaku kenchikumonodeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 既存不適格建築物

1. Probably an ineligible building.; Likely a non-conforming building.

Polite
Presumptive
Conjecture