How much does septic tank emptying cost in the UK?
Most private jobs land around £175–£313, often near £225. In Scotland, Scottish Water’s official 2026–27 household rates start at £254.40 scheduled. Use the form for a local estimate. Not a quote. Prices checked 13 August 2026.
People in the house
Estimated emptying cost
£254.40
Scotland estimate, based on Scottish Water’s scheduled rate
Due this year
Empty at least once a year, or to the manufacturer’s instructions.
roughly half full
Next empty
now–3 months
Source
Scottish Water 2026–27
Usual job time
1–2 hours
Ask two local waste carriers for a quote, and check whether hose length or awkward access costs extra.
What moves the price
Tank size, access, and whether the job is booked or an emergency. England, Wales and Northern Ireland are a private market. Scotland publishes a household tariff. Empty at least once a year, or sooner if the tank is small and the house is full.
Common questions
How much does septic tank emptying cost in the UK?
Checkatrade’s 2026 guide puts a typical job at £175–£312.50, average about £225. MyJobQuote is similar, around £150–£250 for most homes, about 1–2 hours on site.
How much does Scottish Water charge?
From 1 April 2026 to 31 March 2027: scheduled £254.40, unscheduled £353.10, urgent £509.70 or the actual cost if that is more.
How often should a septic tank be emptied?
GOV.UK general binding rules: empty before sludge exceeds capacity, at least once a year or to the manufacturer’s instructions.
Is this a quote?
No. Ask two local waste carriers. Hose length and awkward access often add.