
Find the right cistern for your toilet from our selection of flush tanks. Close-coupled, high-level or dual-flush models, in ceramic or plastic, deliver an efficient flush while keeping water use in check. Whether for new fittings or replacing a worn tank, you will find a size and mechanism to match your bowl.

Close-coupled or high-level, choosing a cistern mainly comes down to compatibility with your WC bowl and the flush mechanism. Here's what matters before you order.
Before you buy
A close-coupled cistern attaches directly to the bowl for a compact unit; a high-level cistern mounts higher on the wall, a more traditional look.
A dual-flush mechanism (small and large flush) cuts everyday water use compared with a single flush.
A ceramic cistern matches the bowl perfectly and lasts over time; a plastic cistern is lighter and more budget-friendly.
Frequently asked questions
Check the fitting type (close-coupled or high-level) and the model of your existing bowl; when replacing one, it's best to stick with the same brand or send us a photo for advice.
Yes: the small flush uses noticeably less water than the large one, which lowers your water bill over a year of daily use.
Most mechanisms can be changed without breaking the cistern: shut off the water supply, remove the old mechanism from underneath, then fit the new one and check the seal.
Floor-standing, wall-hung, with or without macerator - discover all types of toilets and find the one that suits your space and budget.