Hi Jon
We usually have some club wetsuits that you could try at the beginning of the season down at the lake in Otley. Maybe that would help you decide what kind of suit you need and what make might work for you, before committing to hiring or buying; I bought when I first started simply because I couldn't find one off the shelf to fit me, so I had one made, but I know a lot of people don't have this problem. There are so many different suits available these days with all kind of technology/selling points and it can depend what kind of swimmer you are too as to what suit might be best - bit of a minefield!
At the committee meeting this week I'm hoping to find out what suits we have, so I'll post here afterwards to let you know.
Khara