The first complete reconstruction took place in the years between 55 BC  and 34 BC, which incorporated into the building the series of shops, the tabernae novae, that stood in front of the basilica. The building was destroyed by a fire in 14 BC and was rebuilt by Augustus.
The initial reconstruction spanned from 55 BC to 34 BC, encompassing the integration of new shops, tabernae novae, into the building's layout, which had previously housed them before the basilica. The structure suffered a blaze in 14 BC and was revamped by Augustus.