Hi Darran,
Im back onto the roofs question on hear as suggested!
Im also in Norfolk, but out towards Hunstanton area, so a good distance away from yourselves.
Cherry picker does add to the price quite a bit, im focusing initially on bungalows, so can probably get away with using a small tower (HSS Hire - decent price for the week). Dont fancy standing on a ladder all day for sure!
I don't have a CP licence, i'm assuming not cheap to get one, is it just a days course? somewhere fairly local?
One other thing, could you just pump the chemical (hypo/biocide) through a pressure washer (petrol engine) or could that damage the pump? there is a small tube that comes with the pressure washer (for chemicals), so i assume that would be fine to mix it that way? Alternatively, it would be a back pack or similar i assume.
Cheers