If you find that your lever tap is leaking water, you may need to replace some parts. How you fix a dripping lever tap will depend on what the issue is and you may require help from a professional to carry out the task. If you have a leaky spout, it is likely that there are damaged parts on the inside of the lever basin tap and if you see that your lever tap is dripping from the base, you probably have damaged seals. Here is a rough guide to fixing dripping lever basin taps: Firstly, you will need to take apart your lever tap to examine any damage: Turn off the water supply Turn the lever tap on to drain any remaining water from the system Remove the lever tap’s aerator (you should be able to twist this off by hand but you can use pliers if it feels stuck/tight). Keep the parts together so that you can make note of the replacements you need (or take them with you when shopping for new parts). Fixing ball valve lever taps Loosen the lever tap’s set screw and remove the handle Remove its cap If you need to fix a dripping spout, simply remove the cam, washer and ball. You will then need to remove the seats and springs with a screwdriver. If you need to fix any leaks at the base of your lever taps, remove the spout and replace the O-rings. Once you have done this, you will need to reassemble the tap, Putting the spout, seats (on their springs), ball (ensuring that its holes line up correctly), washer and cam along with the rest of the tap back in place. Fixing ceramic disc lever taps Remove the lever handle and trim ring Remove the retainer nut and cylinder Install new cylinder Put the lever tap back together