Reposted so more people see it:
I have found that there are funds for nurses, dentists, fire fighters, civil servants, police, transport works, auto industry, security, entertainment, forces, care professionals, charity employees and the list goes on and on. See here
The Bankers Benevolent Fund provide grants towards therapies and equipment for children with disabilities. I have spoken to them this morning and she has said that the trustees may well consider an application for sensory OT 
She said that if your child has autism you can get numerous things paid for as recommended by the NAS as the BBF have linked up with them.