I would knock and book the work into the following week,.Also you need to be careful that you don't book to much business in at first, you will find out within 4 hours on your 1st day cleaning why.
Ian if you pick up any work over £35 you have to give the customer a 7 day cooling off period by law!I only found this out this week.Matt
why do u enter in to a contract for a gutter clean just quote them and do it.