Of course it bloody isn't! It would seem the only toilet seat that will fit my toilet is [[http://www.amazon.co.uk/E709101-Ideal-Standard-Space-replacement/dp/B009D4XHPE/ref=pd_sim_sbs_60_10?ie=UTF8&refRID=0C7V03Z1DJGDX4Q3HTDP this one]] that costs £79!!!! <wails> <hovers>