You are normally allowed to have a pension if you are paying in the minimum required to remain a member of the scheme. If there was no pension scheme in place at the time of your meeting it may be allowable to join now. You would need to speak to your IP.
I've been allowed to stay in my pension. I pay 6.8% towards it.
Sharing from experiences of dealing with debt
The greatness of a man is not in how much wealth he acquires, but in his integrity and his ability to affect those around him positively.
Bob Marley. http://kallis3.blogs.iva.co.uk