I also got an email from TF today to say that I've been selected to attend the Assessment Centre. However, I'm currently in Germany (Erasmus) and I will be here until mid-August. They just asked me to clarify my situation in the email and I told them that I could attend the assessment centre in either August when I return or I can fly to London before August for the AC if that's easier for them.
Great to get a response anyway and so prompt too, impressive!
I applied to teach English and I'm a Law & German degree student, going into my last year in September.