Mike - no disrespect but that's far too much faffing about, you only need something like a scaffold tower for really big conny's the rest can be done from the ground or a third rung of a leaning ladder
Your right it is too much faffing about but I need to offer something different from the WFP companies, I want to sell my services as being something different and better( whether it is better or not, it's about how the customer perceives it) I'm looking at a price of £180 which is what I would earn in the same time cleaning carpets. Plus erecting a scaffold will take less than 5 minutes (and it will easily fit in my trailer) so it's not too much trouble for the extra impression it will make on the customer.
I'm even thinking of using my propane water heater on the van to use hot steaming water to clean with. But remember so far I have not cleaned a single roof!! So all my talk is just theory until I actually clean one then everything might change.
I'm trying to move my cleaning out side of the house away from the carpets and upholstery to more PW and hopefully conny roofs & facia/soffits.
On Sanderson charging £800-£1000 for deep cleans, in my late 20s I worked as a double glazing salesmen For Anglian windows for 5 years, at the time they were the biggest and most expensive company in the UK. I sold conservatories for over £20k when other companies were offering them for £5k. these companies used to laugh at our prices saying no one would pay so much for a conservatory. But Anglian sold 20 a week, it's like tadgh says it's about finding & getting past the electric gates to the customers who will pay the high prices. Luckily I live in an area with lots of high end customers