We need to have two old toilets removed and two new toilets installed.
I have attached a photo of one of the existing toilet systems and have more available if needed.
The new toilets are open back close-coupled toilets with a dual flush, link to product below:
http://www.diy.com/departments/ideal-standard-kyomi-contemporary-close-coupled-toilet-with-soft-close-seat/1151475_BQ.prd?icamp=recs&rrec=true