Hi Lisa,
Welcome to the forum
Your 2 closest rescues are
Cavy Corner
DN1 1PN
01302 787509
and
Barnsley Animal Rescue Charity
21A Hoyland Road
Hoyland
Barnsley, South Yorkshire S74 0LT
08455 203020
Both highly recommended.
I will try to find the details of a small home run rescue in Retford for you i ac't remember where i saw it think it was through a group on facebook x