Septic Tank Prices in London

Septic tank pump-out in London starts from £195. Pump-out services average £325 in London. Prices include VAT at 20%. Note: Under the 2020 General Binding Rules, septic tanks discharging directly to surface water or ditches must be replaced with a compliant sewage treatment plant. Always check Environment Agency requirements before installation.

Septic tank services in London include pump-outs, new installations, system replacements, septic to sewer conversions, compliance inspections, absorption trench repairs, aerated treatment system installations, and effluent pump replacements. New installations in London average £7,800.

A new septic system in London costs £3,900–£13,000, averaging £7,800. Prices include VAT at 20%. Note: Under the 2020 General Binding Rules, septic tanks discharging directly to surface water or ditches must be replaced with a compliant sewage treatment plant. Always check Environment Agency requirements before installation.

Check online reviews on Google and local trade directories. Verify the contractor holds a current plumber's licence and is licensed to handle liquid waste in your state or territory. For new installations, confirm the contractor is familiar with your local council's approval process. Get at least two quotes for major work. Ask about their experience with your soil type and any council-specific requirements in London.