Hi Ophelia,
You should contact the [broken link removed]and if possible speak to Gillian Bird who is very knowledgeable about all these pets. Some tortoises are being brought into the country illegally.
I understand that turtles can smell a lot so much so that it is noticable as soon as one comes into the house that they are kept in.
This [broken link removed]will give you an idea of how much care is required.