Solicitor ( no longer in practice). You need urgent advice re the possible eviction from an organisation like CAB or Shelter. The untidy tenancy rules usually mean that the rent should be paid even though your ex's name is still on the tenancy. When the immediate problem is solved, apply for a transfer of the tenancy into your sole name, this link will help to explain the position https:// rightsofwomen.or g.uk/ wp-content/ uploads/2019/07/ Applying-For-A-T ransfer-Of-Tena ncy.pdf