Water Efficiency Calculations

Did you know that new dwellings must not exceed the new water efficiency standard of 125 litres per person per day?


Under the new Part G of the Building Regulations all new homes are now required to comply with water efficiency targets.

Items considered within the calculations include:

  • W.C’s.

  • Sink Taps (bathroom, W.C, kitchen, utility, en-suite).

  • Baths.

  • Showers.

  • Dishwasher.

  • Washing Machine.

  • Waste Disposal Units.

  • Water Softeners.

  • Rain Water Harvesters.

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