I was very happy with my House Simple experience.
The whole process of selling was extremely simple, everyone I dealt with was very responsive and I'd agreed a sale within a month.
House Simple provided an excellent professional photographer whose pics were far superior to the snaps favoured by many agents and were happy for me to provide a written description of the property. My concern was whether, given the flat fee price structure, House Simple would get me the best price for my property, but I got a quick result that I was very happy with.
Overall, I'd thoroughly recommend.