Viewing the Fairford Air Show from Totterdown Hill is a first class experience, you are effectively in the center of the flying display area. There are excellent photographic options, no mater the direction of the Sun.
The facilities provided by the site are very good when all things are considered, there are hot drinks and hot food available all reasonable priced. The cost of entry into Totterdown Hill is very reasonable, but is based on the car and its ocupants.
It is possible to camp on the site, there are ample toilet facilities and there are a number of shower facilities.