Zero star rating to be fair but no option to do this! Had them in to clean our conservatory, upvc doors and windows.. Didn't do the job properly.. Rushed the job.. Sent one man to do the job.. Didn't wear uniform .. Had murder trying to chase the guy who did the work he would never answer his phone to us.. Eventually the head office got him to come back and complete the job (sort of).. The treatment and cleaning has left all our UPVC scratched and dull looking (used a scotch pad to clean it with) .. The supposed anti dirt and rain coating we don't think even got done as it was filthy again within days.. Total waste of a few thousand pounds of our money...head office didn't want to know once the job had supposedly been finished.. Would not recommend to my worst enemy...avoid and get yourself a smaller company in who may just care about the job they are doing..