Self and custom house building including Self Build register Show all parts of this guide What is self and custom house building? What is the self build and custom house building register? Self Build Register What happens next? How will we use the information from the register Removal from the register Community Infrastructure Levy (CIL) Consented sites Plots available Further information - Supplementary Planning Document 7. Community Infrastructure Levy (CIL) Please follow the link for information regarding the Community Infrastructure Levy (CIL).