|Date of birth:||13 November 1987|
|Height:||175cm (5' 9")|
|Weight:||77kg (12st 2lb)|
Allinson moved to Bath Rugby on a short-term loan in November from London Irish. In five years with the Exiles, the scrum-half has made over 120 appearances to date following a move from his native Wales, where he played for Cardiff Blues.