Oil tank removal

Taking an oil tank away is part of every replacement, and a job on its own when a home switches to a heat pump or gas, or a tank is simply no longer needed. Done properly, it means draining, making the tank safe, cutting it up and getting it to a licensed site.

On its own it typically costs £250 to £600, more for large steel tanks, tanks with a lot of sludge, or difficult access.

Removal and disposal£250 to £600a guide, not a quote

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When people have a tank removed

  • It is being replaced, and the new tank is going in the same spot.
  • The home has moved to a heat pump, mains gas or another fuel.
  • You are selling, and a disused tank is putting buyers off.
  • An old tank is left over from a previous boiler and has been forgotten.
  • It has leaked, and the tank and ground both need dealing with.

Removal prices

Plastic tank, removed and disposed of
Easy access, little oil left		£250 to £600
Steel tank, cut up and scrapped
Price rises with size and sludge		£350 and up
Draining remaining oil
Where it cannot be reused		about £350
Removal as part of a replacement
Usually built into the price		often included
How we got these figures

The figures above are our own bands, drawn from three UK cost guides dated 2024 to 2026 and checked in November 2026. They describe the country as a whole rather than your county, and the guides leave VAT unclear, so when quotes arrive check whether each one adds it. Budget with them; the installer's written price is the one that counts.

Work out your price in the cost estimator

How an oil tank is taken out

The work is simple to describe and messy to do. The difference between a careful removal and a careless one shows up later, in the soil and in the paperwork.

The oil

Time the job for when the tank is low. Clean oil can go into a bowser and back into a new tank, and if you are switching fuel, some removers will take usable oil off your hands. The last few inches are a mix of water and sludge that cannot be burned and must go for disposal as waste.

Making it safe and cutting it up

Once drained, the tank is vented and cut into pieces that fit a van. Plastic tanks can usually be recycled. Steel tanks go for scrap. Pipework is capped or removed back to the house, and the fire valve and filter at the boiler end are taken out if the boiler is going too.

Paperwork

Old oil and sludge are waste, and whoever takes them away must be a registered waste carrier. It takes a minute to check a carrier's registration on GOV.UK. Ask for a waste transfer note; it shows where the waste went and protects you if questions are asked later.

The ground

With the tank gone, look at the base and the soil around it. A clean slab can stay, or be lifted if you want the space back. If the soil is stained or smells of oil, it should be dealt with before anything else goes there. That is a contaminated land question, and your council's environmental health team or the Environment Agency can advise. Our leaking oil tank guide covers what to do.

If the tank is being replaced rather than retired, removal is normally priced into the job. See oil tank replacement for the full picture.

Need an old tank taken away? Get a quote from an installer in your area.

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A removal step by step

Half a day for most domestic tanks.

  1. Isolate

    Supply valve shut, boiler made safe if it is staying.

  2. Drain

    Usable oil pumped off, water and sludge collected separately.

  3. Cut and load

    Tank cut into sections, pipework capped or removed.

  4. Dispose

    Waste taken by a registered carrier, transfer note handed over.

Oil tank removal questions

How much does it cost to remove an oil tank?

Typically £250 to £600 for a domestic tank. Large steel tanks, lots of sludge or carrying it through a house cost more.

Can I remove an oil tank myself?

You can, but the oil and sludge are waste and must go to a licensed site through a registered carrier. Cutting a tank that has held oil also carries a fire risk. Most people pay a specialist.

What happens to the oil left in the tank?

Clean oil can be moved to a new tank or bought back by some removers. Water and sludge from the bottom go for disposal.

Does an unused oil tank affect selling a house?

Buyers and their surveyors will ask about it. A disused tank that is still full or sitting on stained ground is a concern; an empty one removed with paperwork is not.

Is removal included when I replace a tank?

Usually yes. Check the quote says so, and that it includes disposing of any sludge.

Related tank guides

Get a quote for tank removal

Three steps: the postcode, the tank, and how to reach you. It takes a couple of minutes at most.

We are a free introduction service, not an installer. We find an OFTEC-registered tank installer who covers your postcode and tell you their name; that firm only hears from us once you give the go-ahead.

Step 1 of 3

Where is the tank?
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