Zero Carbon Homes Regulations Written by Pedro Guertler on July 14, 2007. Posted in Consultation Responses, Perspective Zero Carbon Homes Regulations to Treasury consultation regulations for stamp duty exemption of zero carbon homes. Tags: Code for Sustainable Homes, Stamp Duty, Zero Carbon Homes Trackback from your site. Leave a comment Submit Comment Notify me of follow-up comments by email. Notify me of new posts by email.