10-year guarantee on steel tanks
9.9/10 on Checkatrade
Industry leaders for oil tanks

New and Replacement Oil Tank Installations

Not sure whether you need a repair, a replacement or a brand-new tank? It’s usually time for a new installation if your tank is cracked, corroded or leaking, is coming to the end of its serviceable life, no longer meets regulations, or you’re moving to oil heating or relocating the tank. Tell us what you’re dealing with and we’ll advise on the most sensible option.

New Installations

Whether it’s a new build, a first oil tank or extra storage, we manage the complete installation. Our expert team of oil tank installers can help you choose the right tank, type and position, prepare a suitable base, fit the tank and connect the oil supply line, then test everything before we leave.

Replacement Installations

Replacing an ageing or damaged tank is our most common job. We transfer and filter any usable oil, remove and responsibly dispose of the old tank via our oil tank removal service, lay a new base if one is needed, and install your new tank, often within days of your survey.

Emergency and Urgent Replacements

A split, a leak or an empty tank in the middle of winter can’t wait. We respond quickly to assess a damaged tank, make it safe and limit the risk of a spill, then get you back up and running as soon as we can. If you spot a problem with your tank, get in touch and we’ll prioritise it.

Plastic and Steel Tank Options

We install both plastic and steel tanks, in single-skin and bunded models, and we’ll recommend the right one at your survey.

Plastic (DESO) Tanks

Lighter, cost-effective and easy to look after, and a reliable choice for most homes.

As one of the leading suppliers of DESO tanks in the South East, we can match you to the right model and capacity.

Steel Tanks

Our own steel tanks are manufactured in Littlehampton and built to your exact measurements.

They’re ideal for awkward spaces and heavier-duty use, and known for their strength and long life.

Choosing the Right Size

Domestic tanks are typically 1,000 to 2,500 litres. The right capacity depends on the size of your household, how much oil you use and the space you have. We’ll help you weigh it up so you’re not refilling too often or paying for capacity you don’t need.

Customers Trust SG Tanks With Their Oil Tank Installations

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Caroline Smallwood profile picture
Caroline Smallwood
26/08/2026
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Excellent service from inspection to installation. Purchased a double skin tank as previous single skin was cracking. Highly recommend this friendly professional company.
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Brian Shoulders profile picture
Brian Shoulders
02/03/2026
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Great service highly recommend, a very efficient and prompt service and very competitive on price too. I couldn’t ask for more.
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Stewart Sims profile picture
Stewart Sims
11/01/2026
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Brilliant service. We had needed an emergency supply of fuel, Sean responded really quickly and delivered next morning but found the tank had a blocked filter and fixed it on the spot. Heating all back up and running. Lifesaver.
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Sue Cart profile picture
Sue Cart
26/11/2025
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A superb service from start to finish! Called back within an hour of my call. Visited next day and gave me a quote and timescale. They kept to timescale and laid a new concrete base, supplied a new tank and took away the old tank. Sean explained everything and started the boiler for me. I will definitely use them again.
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Narciso Baldo profile picture
Narciso Baldo
20/10/2025
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Great service from start to finish. Professional and prompt.
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sharon nichols profile picture
sharon nichols
08/10/2025
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Outstanding service from quote to installation. Sean and Chris were Professional , knowledgeable, quick and friendly. Fantastic job. Thank you.
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ed coppard profile picture
ed coppard
22/09/2025
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Really impressed with the service I received. Everything was clear, well explained, and competitively priced. The team were highly efficient and worked quickly to carry out the job to remove an old oil tank and relocate a new one a considerable distance from the house. All done with a friendly and positive approach. Would highly recommend
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Alan Hart profile picture
Alan Hart
27/08/2025
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I experienced a leak in my oil tank and called S G Tanks who immediately visited site and offered me an acceptable quotation to replace the tank within days. They turned up on time and replaced the tank with speed and efficiency. I would highly recommend S G Tanks for their professionalism in a job well done.
Green tank being lifted

Our Oil Tank Installation Process

Every installation starts with a free, no-obligation site survey. We check access, assess the best position for the tank, confirm the base and pipework requirements and recommend suitable options, then give you a clear written quote, usually the same day.

Our process is simple:

  1. Site survey: we assess access, position, base and pipework and recommend suitable tanks.
  2. Written quote: a clear, itemised quote, usually the same day.
  3. Installation: base work and tank fitting by our OFTEC-registered team.
  4. Test and handover: we test the installation, check it’s running properly and leave the site clean and tidy.

Why Choose SG Tanks for Oil Tank Installation?

Experienced Installation Team

Agricultural oil tank

We’ve installed oil tanks across the South East since 2004, so we understand the practical challenges of getting a tank in safely and correctly.

Complete Installation Service

2450L bunded lockable

We manage the whole process, from survey and base to fitting, connection and removing your old tank.

OFTEC-Registered and Compliant

All work meets OFTEC and Building Control standards, so your tank is installed safely and signed off properly.

Local Specialists

Closeup of man filling a bunded oil tank with domestic heating oil

We regularly work with customers across Sussex, Surrey and Hampshire.

Positioning and Compliance

Where your tank can go, and how it’s supported, is governed by OFTEC and Building Regulations, covering things like safe distances from buildings and boundaries, a stable non-combustible base, and whether a bunded tank is required.

You don’t need to get to grips with the detail. As OFTEC-registered oil tank installers, we assess your site, position the tank correctly and make sure everything meets the standards. If your preferred spot won’t work, we’ll explain why and suggest the best alternative.

Difficult Oil Tank Access? We Can Help

Not every tank sits in an easy spot. We regularly install where access is restricted, including:

We regularly help customers with:

✓ Limited driveway access
✓ Tanks positioned behind properties
✓ Narrow side returns
✓ Back gardens and enclosed spaces
✓ Tanks a long way from the house, needing a trenched oil line

Our experience allows us to assess the practical challenges before work begins and recommend the safest approach. Our custom steel tanks can be built to fit spaces a standard tank won’t, and we always plan the safest approach before work begins.

What a Typical Installation Involves

From start to finish, we handle:

  • Preparing or renewing the base as needed
  • Supplying and fitting your tank
  • Connecting the oil supply line and pipework
  • Transferring and filtering any usable oil from your old tank
  • Removing and responsibly disposing of your old tank
  • Testing the installation before we leave

We’ll set out exactly what your job needs, along with anything extra such as fittings, gauges or security, in your quote.

Green tank

Oil Tank Installation Costs: What Affects the Price

Every site is different, so we quote per job after a survey rather than work to a fixed price list. The main things that affect the cost are:

  • Tank type, size and material (plastic or custom steel, single-skin or bunded)
  • Base work, including whether a new concrete base is needed
  • Access, such as difficult or long-distance positioning
  • Oil line length and any trenching required
  • Removal and disposal of your old tank, and transferring existing oil
  • Any extra fittings, gauges or security

You’ll get a clear, itemised written quote with no obligation to go ahead. For a fuller breakdown of what a new tank can cost, see our guide to the cost of replacing a domestic oil tank.

Areas We Cover

Sussex, covering West Sussex and East Sussex, including Chichester, Storrington, Steyning, Henfield and West Chiltington.

Surrey, including Guildford, Dorking, Reigate and Haslemere.

Hampshire, including Winchester, Southampton, Portsmouth and Petersfield.

Not sure whether we reach you? Get in touch and we’ll be happy to arrange a free site survey. Call 01903 856403 or email salessgtanks@gmail.com

Oil Tank Installation FAQs

We keep disruption to a minimum. On a replacement we transfer your existing oil and reconnect the system, so in most cases you’re back up and running the same day. We’ll talk you through the timings beforehand.

We keep disruption to a minimum. On a replacement we transfer your existing oil and reconnect the system, so in most cases you’re back up and running the same day. We’ll talk you through the timings beforehand.

Often, yes. A risk assessment decides. Bunded tanks are required on most commercial sites and many domestic ones, for example when storing 2,500 litres or more or siting near a watercourse. We’ll assess this for you as part of the survey.

In some cases. A domestic tank up to 3,500 litres can be installed inside if it’s bunded and housed in a fire-rated chamber with proper ventilation. We’ll advise what’s possible at your survey.

Most domestic oil tank installations don’t need planning permission but do need to meet Building Control standards. We handle the compliance side as part of the job.

Get in touch

Tell us what you need and we’ll arrange a visit, assess your site and give you a clear written quote. We install oil tanks across Sussex, Surrey and Hampshire, and the surrounding areas.
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