These soft close toilet seats will be instore at Lidl from Monday 03/03/14 for £14.99 which seems pretty reasonable, they come with a 3 year warranty as well.
Product Information :-
Made from extra sturdy, shatterproof plastic with high-quality zinc alloy hinges
Closing mechanism silently lowers lid and seat
Fits most standard toilets
Max (kg): 150
3 year manufacturer's warranty