Acorn are tragically terrible. They appear to be proactive and accommodating when you're looking for a house but as soon as you're signed up and you need help or support they never answer the phone. If something has broken down or is flooding etc you'd better be good at DIY because they take forever to get things fixed for you.
Their administration is awful and considering the extortionate charges they charge, you would expect them to be able to at least provide this kind of support well. They also try and force you to sign up to a specific energy provider called Sparks Energy which is an over priced energy provider that everyone should steer clear of and they want to charge you