right up your street
(just/right) up (one's) street
Ideally suited to one's interests. Anna loves watching movies, so I'm sure she'll go to the film festival with you—that's right up her street.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
right up your streetor
just up your streetmainly BRITISH
If something is right up your street or just up your street, it is the kind of thing you like or know about. If you like casual yet elegant clothes, then this collection should be right up your street. I read a review of the book and thought it would be right up my street. Note: The usual American expression is right up your alley.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012