ENVIRONMENTAL COMPLIANCE ENGINE
Statutory Sizing & Emptying Frequency Calculator
Compliant with UK General Binding Rules 2020 & British Water Flows and Loads Code of Practice 4.
Quick Household Presets:
Parameters & Inputs
Live Dynamic4 Beds
British Water sizing standard uses Bedrooms + 1 or 2 to estimate Population Equivalent (PE).5 People
Calculated Estimate
Minimum Statutory Tank Volume
2,750.00 Litres
Estimated Daily Wastewater Inflow
750.00 L / Day
Mandatory Desludge Frequency
12.00 Months
Estimated Grid Independence:78% Self-Powered
Engine: Statutory 2026/27 Benchmark v2.4Ref: MCS-EN7202 · Calibrated Daily
Est. Annual Savings2,750.00 / yr
STEP 2 · READY TO INSTALL?Turn your estimate into an accredited physical installation
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