Where in london can one find short-term or trainee courses for chemical engineering graduates. Some international graduates are on neck for assistance to further their career.
Should you people not be better contacting IChem (Institution of Chemical Engineers UK) chapters as They should be able to facilitate and guide positively.
If you are looking for training on just one specific subject, others may be better. For example ENSPM for pumps/compressors or SGS for safety in design.