In the UK, you would need to change a law in favour of people rather than business — so not going to happen. “We are legally obliged to deliver all addressed mail, which includes mail that is addressed “To the Occupier” (or with any other generic recipient information), as well as mail that is personally addressed to you by name.”

How do I opt out of receiving any leaflets or unaddressed promotional material?

Link: https://personal.help.royalmail.

Guidance on what to do to do if you want more control over the mail coming through your letter box.