The term 'BUILDER's Work Place' refers to the SITE where a BUILDER works. This could be a construction SITE, a factory, or any other place where a BUILDER is employed. The crossword solution for this term is 'SITE, ' which is a four-letter word. A SITE is a physical location where a BUILDER can work and carry out their duties. It is important for builders to have a safe and secure work place in order to ensure that they are able to do their job properly.