I used this
pattern for my America cosplay (the pants and tan suit). It would probably work for England's uniform too. The only thing about this pattern is that it's a men's pattern, so smaller people will have to tweak it for size (I was smaller than even the smallest size this pattern offers).
Animefest 2014 Cosplays:
China - Hetalia - Friday
Black Japan - Hetalia - Saturday
America - Hetalia - Saturday night and Sunday
Possible Future Cosplays:
Russia (Hetalia), Kuroh Yatogami (Project K), Edward Elric (Fullmetal Alchemist), Aladdin (Magi), Toph Beifong (Avatar: The Last Airbender), Terezi Pyrope (Homestuck), Red (Pokemon), Loki