UK trade guideTap Spares 4 min readUpdated 9 July 2026

How to Fix a Dripping Tap (UK)

Cure drips on ceramic disc, quarter-turn and traditional rubber-washer UK taps. Water Regs compliant fixes.

BristanGroheFrankeIdeal StandardPegler

Identify the tap type

Half-turn traditional = rubber jumper valve. Quarter-turn = ceramic headwork. Single-lever mixer = ceramic disc cartridge.

Fix by type

  • Traditional — replace 1/2" jumper valve washer (12 mm rubber disc).
  • Quarter-turn — replace whole ceramic headwork (1/2" or 3/4").
  • Ceramic disc mixer — replace cartridge (25/35/40 mm).

Frequently asked questions

Why does my tap drip only cold?
Cold seat has slightly harder scale — cold headwork fails first. Replace both hot and cold at the same time.
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