Is there an age where it’s safe to bed share with your baby? My little one is almost 12 months old.

There is no age recommendation for co-sleeping.
Red Nose recommends that baby is slept in their own sleep space, however, we do have a risk minimization for co-sleeping & have the following safer co-sleeping information guide:
https://rednose.org.au/downloads/RN0493_23_Co-Sleeping.pdf