This note covers adjudication using the JCT's home owner contracts (namely the Building Contract for a Home Owner/Occupier who has not appointed a Consultant to oversee work (JCT HO/B 2021) and the Building Contract and Consultancy Agreement for a Home Owner/Occupier (JCT HO/C 2021 and JCT HO/CA 2021)), the JCT Home Repair and Maintenance Contract (HO/RM 2021) and the Royal Institute of British Architects' (RIBA) Domestic Building Contract 2014 and 2018 Editions.