While it’s a problem that can cause a lot of cosmetic damage, a leak under your sink is fairly straightforward to diagnose and repair. Here are some possible causes:
Your pipe isn’t fitted correctly
If your pipe isn't fitted correctly, you'll need to fix this, using the nozzle to secure it in place.
Your pipe needs to be changed
Available at most DIY stores, if you find that your pipe is old or damaged it will need to be replaced.
Your washer needs replacing
If water is leaking from a joint then it is likely that the washer has become ineffective.