It looks like Dr Who is back on location in Bridgend. They appear to be fiiming in the old Bayer Factory unit. It will be interesting to see this on screen as I spent around 18 months whizzing around that place in a fork lift truck for one of my first jobs!!
I’ll try and get some snaps later on, didn’t have my phone with me earlier as I was visiting my gym, which is nearby. Here is Google Street views’ image of t he location