It is important that you inform Brighton Fringe of your venue’s accessibility to wheelchair users.
By law you are expected to provide optimum accessibility around the limitations of the space. Refer to the Disability Discrimination Act at www.direct.gov.uk
You can update your venue’s access information in Eventotron, within your venue's listing.
HOUSE has some great guides on accessibility: http://housetheatre.org.uk/resources/category/access/