How long to hear back about TEFL course application?

[Statuess]

Hi everyone, I'm new here. :) I applied to do the September Trinity course at International House (in Bristol) through CactusTEFL at the start of this month and haven't heard anything from them yet. How long does it normally take to get a response, and will they contact you even if you haven't been accepted? (I'm not very confident about my application as I wasn't aware I would even need to do a test, so I can't say I did any revision beforehand..!)

Though it's still a few months down the line obviously I want to have everything sorted out well in advance.