I've never heard of TEFLEngland, so I can't really comment much, but having a quick browse has shown me that they have the identical website to TEFLScotland and TEFLWales... which is a bit weird.
Anyway, I'll be frank, just do CELTA or Trinity or any course with practical teaching included. I'm not sure if it's possible with Trinity, but you can do the CELTA part-time, like I did, which is 6 months (2 evenings plus one morning a week) or you can do it online for 2 weeks and face-to-face for 2 weeks.
I honestly think these courses are the safest option and now there is a lot more flexibility to do them and work at the same time.
Good luck :)