In reply to andypoole:
This is a club that I am a member of, and I was trying to take advantage of a service that I will pay for. They have recently changed their system, replacing direct booking of their sites by telephone with a centralised system via phone or web. Since the central phone line seems permanently busy (they have effectively replaced over 200 phone lines with one), they are now reliant on the website for a large slice of their "business".
I did at least get a reply to my email promising to pass on my comments to the website team. Some of the comments were about the ergonomics of the site and suggested addtional facilities too, so I live in hope that something might happen.