Strictly speaking in the UK, an architect is someone who is a member of the Royal Institute of British Architects (RIBA). As Builders in East Sussex we see drawings from a number of sources. 1. RIBA members are the gold standard in the UK. 2. The Royal Institute of Charted Surveyors (RICS) are also a well respected body of professionals who produce building designs. 3. For small projects such as domestic extensions there are a whole raft of other designers with various qualifacations, or...