Bike BUBL are an ethical window cleaning company in South West London, using cargo bikes to travel between jobs and carry their equipment. They use purified water, and no chemicals, to leave your windows sparkling.
Services available by cargo bike in postcodes:SW2, SW4, SW6, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW20, SE24
Website: https://bikebubl.com/