Replacing a tap washer is a quick DIY job, but you will need some tools before you begin.
Make sure you have two adjustable pipe wrenches, a slot head screwdriver, some cloths and a pack of washers.
To start, turn off the mains water supply by turning the main stopcock off - a valve normally located under your kitchen sink - until your tap runs dry.
If you are changing the washer on hot taps, you must also turn the immersion heater and boiler off.
Note that monobloc taps do not have washers. Instead, they have ceramic discs, which are very hard wearing. To replace a ceramic disc you would need to get a replacement cartridge from your tap manufacturer.
To change a washer, follow our simple guide.