You don't mention whether you were under or over 18 at the time.
Assuming you are over 18, then they will be filtered after 6 years. This is due to a change made last week - prior to that, if you had more than one conviction none could be filtered. Now they are each treated independently.
There are two exceptions to the above I am aware of - some jobs are excluded from filtering (joining the police for example) and if you want a shotgun/firearms licence