Septic Tank Emptying
Regular emptying of domestic and commercial septic tanks across Cornwall. Whoever does it must be a registered waste carrier. Most standard tanks take under an hour.
From £150Full tank in Liskeard? An independent guide to septic tank emptying in Liskeard and across PL14: what it involves, what it typically costs, and how to check a firm is a registered waste carrier. We’re not a septic tank company.
Liskeard (PL14) sits at the eastern edge of Bodmin Moor, surrounded by farmsteads, hamlets and rural villages — many a long way from mains drainage. Homeowners across Pensilva, St Cleer, Dobwalls, Doublebois, St Neot and Menheniot need a septic tank firm that works the back lanes and farm tracks of east Cornwall as a matter of course.
Moorland-edge properties around Liskeard can have older brick-built tanks and long drainage runs that take a bit of know-how. A firm local to the area won't be fazed by tanks that haven't been emptied in a decade or driveways that test the suspension on the way in.
Liskeard sits on the A38 corridor between Bodmin and Plymouth, which makes it one of the better-connected towns in the county for tanker access. Operators covering PL14 can generally reach outlying addresses without the long detours that characterise the far west.
The country south toward Looe, Duloe, St Keyne and Menheniot is steep and wooded, with narrow lanes and sharp gradients. Access is usually possible but often needs a hose run rather than a vehicle at the tank, particularly for properties in the valley bottoms.
The off-mains property here is mostly farms, converted outbuildings and rural cottages. As at Launceston, farm systems can be larger and occasionally serve multiple dwellings — worth clarifying up front, because it changes the vehicle needed and the interval you should be working to.
We’re an independent guide, not a septic tank company. These are the honest options; pick whichever suits you.
Anyone who takes septic tank waste away must be a registered waste carrier. Whichever local firm you find, look it up on the Environment Agency’s public register before you book.
Ask for the firm’s waste carrier registration and check it, get a written price that says what’s included (disposal, hose length, access), and ask for a waste transfer note once the job is done.
Leave your details and we’ll try to introduce you to one local septic tank firm covering your postcode. We’re still looking for local firms to work with, so we may not have one for your area yet. We’ll tell you who before sharing anything, and septic tank firms may pay us for introductions.
Whatever’s going on below ground at your Liskeard property, here’s what each job involves and what it typically costs.
Regular emptying of domestic and commercial septic tanks across Cornwall. Whoever does it must be a registered waste carrier. Most standard tanks take under an hour.
From £150Full cesspit pump-outs for sealed systems. Cesspits need emptying far more often than septic tanks, so the running cost adds up.
From £120New septic tank or treatment plant installation, fully compliant with the General Binding Rules 2020. Survey, install, commission: what a full job includes.
From £3,000Tank backing up, soakaway saturated, weird smells in the garden? Diagnosis via CCTV, then repair or replace: how to decide.
From £150 (survey)Blocked or slow-running drains cleared fast using high-pressure jetting. From kitchen sinks to main sewer lines.
From £80Camera inspections to diagnose blockages, root ingress, collapsed pipes, and drainage issues before they become expensive problems. A written report should be part of it.
From £150Prices depend on tank size, access, and your exact location. These are guides, not quotes: always get a written price before work starts.
Standard domestic tank (up to 2,700L). Price varies by access and distance.
Sealed cesspit pump-out. Larger cesspits (10,000L+) quoted individually.
High-pressure jetting. Most domestic blockages cleared in under an hour.
Out-of-hours and weekend work, where a firm has capacity. Ask for the price before they set off.
Not in Liskeard? Pick your nearest town guide below.
Old system failing, or building off the mains? Our installation guide covers septic tanks and treatment plants — surveys, groundwork, General Binding Rules compliance and typical costs.
Septic tank installation in Cornwall →Peak-season occupancy fills tanks fast — and a backed-up tank mid-stay means refunds. Our holiday-let guide covers scheduling emptying around changeover days and planning for peak season.
Septic tank care for holiday lets →Everything you need to know about septic tank emptying in Liskeard and the surrounding area.
Septic tank emptying in Liskeard typically costs between £150 and £300, depending on tank size, access, and how far the specialist needs to travel. Cesspits usually cost more due to larger volumes. Emergency or out-of-hours callouts may incur an additional charge — always get a written quote up front.
Most domestic septic tanks in the Liskeard area should be emptied every 6 to 12 months. A family of four with a 2,700-litre tank typically needs annual emptying. Smaller tanks, larger households, or heavy holiday-let use can mean more frequent service. Slow drains or odours usually mean it's overdue.
Some local firms can empty a tank the same day when their schedule allows, but it isn’t guaranteed, especially in peak season. Ring two or three firms that work around Liskeard and say how urgent it is; calling early in the day helps.
You don't need a permit to have your tank emptied, but the waste must be disposed of by a licensed waste carrier registered with the Environment Agency. You can check any firm on the Environment Agency’s public register of waste carriers. Under the General Binding Rules (2020), your tank must also discharge to a drainage field — not directly to a watercourse.
This guide covers Liskeard and the surrounding villages and hamlets across PL14, including Pensilva, St Cleer, Dobwalls, Doublebois, St Neot, Menheniot and Quethiock. We’re an independent guide, so we don’t send anyone out ourselves; look for a firm that works your patch and check it on the waste carrier register, or ask us for an introduction.
All waste is transported by licensed tanker to an approved treatment facility or sewage works. Whoever empties your tank must be a registered waste carrier with the Environment Agency, and you can ask for a waste transfer note as proof of legal disposal.
It's common on the moor edge, and no — it just needs handling properly. A long-neglected tank has more settled sludge, so it takes longer and may cost slightly more than a routine empty. Ask the firm to check the soakaway is still draining too, since years of neglect is the main cause of soakaway failure.
Generally yes — Duloe, St Keyne, Menheniot, Dobwalls and the lanes running south, but check when you ring. The valley approaches are steep and narrow, so a hose run from the nearest accessible point is often the practical answer.
Genuinely good. Liskeard sits directly on the A38 between Bodmin and Plymouth, so operators can reach most of the area without long detours. That makes it one of the easier parts of Cornwall to reach.