Ahh the five minute google search expert
There's text messages, phone records, he could have a diary with appointments and let alone a cheque that was written, there's more than enough to prove there was an intention.
I wasn't trying to claim I was an expert, I was just pointing out that the first thing it recommends inregards to verbal contracts is getting something in writing, as its clearly not water tight and will be down to how good your legal team is if it went to court and what the judge decides.
For a sum of £200 though, I doubt it will be going anywhere near one.