Don’t forget Chris, that in addition to driving, you’ll be expected to hump cases and luggage and wheelchairs in and out of the cab, which will be a no-no for many weeks after your op.
See your GP and get signed off before your op, and claim Employment Support Allowance if you qualify, as it takes weeks to process. You might get about £125 a week as long as you are unable to work.
Best of luck.
Cheers, John.