Originally Posted by
Doody2007
I've just googled it. Definitely 6000ft TA within Cardiffs controlled airspace. It would be 3000ft outside CAS, hence my question regarding whether or not the OP was inside the Cardiff control area or not.
It's not immediately clear from the first post.
Cardiff ATC have small sections of en-route airway delegated to them at low level as well as their own CTR and CTA.