So MP can't help? Actually it works better if the request is presented by your 80-year-old grandmother and your disease-stricken stepmom, instead of you, the former-offender. Ask them to see their MPs during the MP greet-the-people session in their constitution area. If they really want to see you as much as you want to see them, they should take this opportunity. Get help from neighbours or friends to bring them down to see the MPs during those sessions. This is less painful than having to travel all the way to their office.
It is easier to gain their sympathy that way.