You can't 'surrender' pensions.

You can transfer them to another provider/employer or you can in some circumstances draw them from age 50. You would be penalised for doing this.

Really need more info as to why you want to 'surrender' them 

Hi --- For advice on the complex subject of Pensions, I recommend speaking to the Pensions advisory service... below, for the cost of a local phone call they offer free, impartial and professional pensions advice, they have offered good service in the past to other forum members.

http://www.pensionsadvisoryservice.org.uk/

hi any pension experts

i have 3 frozen works pensions, looking at closing them down and recovering any money due to me how do i go about it?

any suggestions gratfully received

colin