Part G Water Calculation

Part G Water Calculations

This service is for us to complete a Part G water calculation based on the drawings you have provided. We will provide you with the flow rates you will need to achieve in order to meet 125 litres of potable water per person, per day or lower planning targets.


This service is includes the following:

Part G Water Efficiency Calculation and Summary Report

This calculation is used to determine the emissions for the extension.

An Additional Option

If the initial specification doesn’t hit targets we will provide you with an option that does. 

If you need a retrospective calculation we will send you a form that will need to be complete in full in order to accurately calculate the as built calculation.

We can also include rainwater harvesting calculations should they be required.

Request a Quote