PRICE GUIDE · PLUMBING & HEATING

Septic Tank Emptying cost in the UK
£150–£300 per empty. Typically £200.

Emptying a septic tank in the UK costs £150–£300, about £200 for a typical domestic tank. Tank size and how far the tanker hose must reach set most of it; a cesspit, which fills faster and holds more, costs more per visit, as do remote or urgent call-outs.

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HOW MUCH IT COSTS

How much does septic tank emptying cost in the UK?

SEPTIC TANK EMPTYING PRICE · PER EMPTY · THE UK
Low end£150a small septic tank with close access
Typical£200what most people pay
High end£300a cesspit or a remote site
Typical £200
£150 low£300 high

Locufy guide prices for 2026–2027. Updated 2026. A national range, not a quote — enter your town above for real prices from the plumbers and heating firms near you.

What moves the price

  • Tank size — larger septic tanks hold more waste and take longer to empty
  • Septic tank or cesspit — a cesspit holds everything and costs more to empty each time
  • Hose distance — tanks far from where the tanker can park need longer hoses and more time
  • Remote location — rural call-outs far from a depot carry travel charges
  • Urgency — evening, weekend or emergency emptying costs more
  • Extra cleaning — jetting pipes or inspecting the tank adds to the visit
+6%PRICE TREND · 5 YEARS

Plumbing and heating prices in the UK are up 6% over five years (ONS Consumer Price Inflation, Services for maintenance and repair, to 2026 August). Five years ago a typical septic tank emptying would have cost about £220 — an estimate from today's guide price and that index, not a recorded price. Source: ONS MM23 D7DO →

WHAT YOU GET

What a septic tank emptying booking includes

Tanker visitA licensed tanker parked as close to the septic tank as access allows.
EmptyingSludge and liquid pumped out of the tank through the hose.
Basic checkA quick look at the tank's inlet, outlet and lid while it is empty.
Licensed disposalWaste taken to a licensed treatment works for disposal.

Takes: About one to two hours on site. Not included: Full inspections with a report, repairs to baffles or pipes and soakaway work are usually priced separately — see the related guides below.

WHAT PEOPLE BOOK

Common septic tank emptying jobs

Annual emptyA domestic septic tank emptied once a year at a cottage near Otley.
Cesspit emptyA cesspit emptied at a rural house near Clevedon.
Holiday letA septic tank emptied between bookings at a holiday let near Linlithgow.
Long hose runA tank at the bottom of a garden emptied with an extended hose near Wetherby.
Before a house saleA septic tank emptied and checked before a sale near Dalkeith.
Emergency emptyAn overflowing tank emptied at short notice near Weston-super-Mare.

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Septic Tank Emptying near you, with prices shown

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Or post the job free and let them come to you.

How to pay less

  • Empty the septic tank on a regular schedule rather than waiting for an emergency call-out
  • Share a tanker visit with neighbours who also have septic tanks to cut travel costs
  • Clear a spot for the tanker to park close to the septic tank, so less hose is needed

Before you book

  • Use a registered waste carrier for septic tank emptying, so the waste goes to a licensed site
  • The general binding rules expect septic tanks to be emptied regularly and maintained
  • Mark where the tank lid is and clear access before the tanker arrives
  • Ask whether the emptying price includes a basic check of the tank

Septic Tank Emptying cost: questions people ask

£150–£300 per empty, about £200 typical. A small tank with close access costs least; a cesspit or remote site costs the most.

About one to two hours, depending on the tank size and hose distance.

Usually once a year for a typical household, though small tanks or busy homes may need it more often.

No. A cesspit simply stores waste and must be emptied often, while a septic tank separates solids and discharges treated liquid.

Full inspections, repairs and soakaway work are separate. Ask whether out-of-hours call-outs cost more.

They are Locufy guide prices for the UK, read from a published UK septic tank emptying guide — a national range, not a quote. Tank size and access set the price.