How much does it cost to replace a tap in the UK?
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A plumber typically charges £80–£150 to replace a standard tap (including labour; tap not included). If you supply the tap yourself, a mid-range mixer costs £40–£150. Total cost with a plumber is usually £150–£300 for a kitchen monobloc mixer, less for bathroom taps.
The main cost variable is access. Under-sink pipework that is cramped, corroded, or requires cutting back adds time and therefore cost. Old imperial connections (pre-1970s properties) may need adaptors.
If you are replacing a bath or basin with traditional separate pillar taps, the plumber may recommend moving to a monobloc mixer, which requires drilling a single hole rather than two — factor in a drill charge if the basin or bath needs modifying.
Doing it yourself: tap replacement is achievable as a DIY job if you are comfortable isolating the water supply and using a basin wrench to undo the back nut under the sink. The main risk is over-tightening and cracking a ceramic basin. See our dripping tap repair guide for technique.
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