Brighton & Hove Council's policy stipulates that all new buildings above five metres should include bee bricks, as well as bird nesting boxes suitable for swifts.

These bee bricks are the same size as regular bricks, but integrate a series of narrow openings like those where solitary bees are known to nest.

https://www.dezeen.com/2022/01/24/bee-bricks-planning-requirement-brighton/?fbclid=IwAR0uf8PwzfwGkWFCQccULr2sHxaHaRURzqRWFyr36kYiH1nAaq-GbLEwkQE