Water calculations assess the required water supply and flow rates for a property, ensuring that systems are designed and operating in line with current regulations and usage demands. This typically includes calculating peak water demand, pipe sizing, and supply capacity for residential and commercial buildings.

These calculations are carried out in accordance with relevant guidance, including the Water Supply (Water Fittings) Regulations 1999 and industry standards such as BS EN 806 and BS 8558, ensuring that water systems are efficient, compliant, and capable of meeting occupant needs.

Water calculations are commonly required for new developments, property conversions, and system upgrades, as well as for supporting planning applications and building control approval. They help ensure that water infrastructure is correctly specified, reducing the risk of inadequate supply, pressure issues, or system inefficiencies.