This Practice Note looks at the use of additional clauses—or special conditions as they are also known—in conjunction with the Standard Conditions of Sale (Fifth Edition—2018 Revision) (SCS) in residential conveyancing transactions. Using the Standard Conditions of Sale (Fifth Edition—2018 Revision) The SCS are a set of standard conditions which form the basis of the majority of contracts for the sale and purchase of residential property in England and Wales. They set out the general terms on which the property will be conveyed and address matters such as payment of the deposit, deduction of title, matters subject to which the property is sold, completion, late completion and remedies for breach of contract. Where the Law Society’s Conveyancing Protocol (Protocol) is adopted in relation to a particular conveyancing transaction, the contract must incorporate the latest edition of the SCS. Using special conditions Step 13 of the Protocol states that additional conditions should only be included