Seaview, Halwyn Rd, Crantock, Cornwall ,TR8 5RT. UK

Water Regs

Planning Plumbing Work?

D Kemp Plumbing And Heating are specialistts in planning your plumbing and heating project to comply with all water regs.

When Undertaking any plumbing work you are required to know the water law, This is to make sure it meets the Water Supply (Water Fittings) Regulations and Byelaws that are designed to keep drinking water supplies safe and healthy.

This applies to all Plumbers businesses, homeowners, landlords and tenants.


Types of plumbing work that must be notified to the local water supplier includes:

  • Building a house or other property/structure
  • Changing the use of a building or installing water systems, such as rainwater harvesting
  • Extending or altering the water system on a non-household building
  • A garden watering system (unless operated by hand)
  • Installing a swimming pool or pond over 10,000 litres
  • A bidet with an upward spray or flexible hose
  • A bath which holds more than 230 litres of water
  • A pump or booster that delivers more than 12 litres of water per minute
  • A water treatment unit which produces waste water
  • A reverse osmosis unit (for cleaning water)
  • Any water system outside a building that is either less than 750mm (0.75 metres) or more than 1350mm (1.35 metres) below ground.
  • A reduced pressure zone (RPZ) valve assembly or similar
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    • General Plumbing & Heating
    • Full Heating systems Installations
    • Heating system upgrades
    • Boiler installation and replacements
    • Boiler servicing
    • Gas hobs & ovens
    • Pumps
    • leaks
    • Burst Pipes
    • Tanks
    • Bathroom refurbishments
    • Hot water problems
    • Unvented hot water systems
    • Showers
    • Shower pumps
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