We supply a full range of Domestic Oil Tanks and associated services.   We have a dedicated team of specialists ready to provide you with the expertise to help you choose the right tank for your home.   Our services include:

Oil Tank Replacement

The Domestic Oil Tanks we provide are made to the highest safety standards and have no need for maintenance or painting, keeping the cost of installing oil storage low without compromising the protection of your property.  The size of tank you will need should be relative to the size of your property and your heating requirements. Access to the tank and current building regulations also need to be taken into account, especially when deciding where to locate the tank.

With our expertise we can help you find the best tank to fit both your needs and your means.   Every Deso tank is:

  • Guaranteed for 10 yearsDomestic Oil Tanks
  • It can stand on any flat surface at ground level
  • Easy installation – much lighter than a steel tank
  • Maintenance free – no painting required
  • Comes in a choice of sizes to suit your requirements
  • Crack resistant and stress free

More details can be found on our Tank Replacement page

⚡ Joanna’s Tank Offer ⚡ 10% Off Your New Installed Tank

Get a free, no-obligation quote and tank assessment from Joanna and the team. We’ll help you identify the most suitable replacement for your property, whether that’s a standard bunded tank or a FirePro tank for more complicated installations closer to buildings and boundaries.

👉 Book your installation and quote NEWTANK10 to receive 10% off.

This exclusive offer is only available to our customers, as well as friends and family, but it must be booked by 31st October 2026.

View Current Offers

Oil Tank Relocation

If you have just moved into a house and found that the oil tank is in an inconvenient position, or you are planning an extension and will need the oil tank moved to accommodate it, then Sweetfuels can help.  As part of our free Domestic Oil Tank relocation quotation, our OFTEC registered technician will carry out an assessment to identify any environmental or fire risks associated with the repositioning.  More details can be found on our Tank Relocation page

Fuel Transfers

Whether you need to move heating oil from one tank to another on your premises, or transfer it from your old property to a new one, Sweetfuels can provide the right service and equipment to accomplish this as swiftly and efficiently as possible. More details can be found on our Fuel Transfers page

Disposal of Water from inside Tanks

Water can build-up inside Domestic Oil Tanks due to a number of factors such as condensation (in the case of a steel tank), broken tank vents or loose connections on the top surface of the tank.  Regular tank checks by one of our OFTEC registered tank technicians should normally prevent this from happening, more information on which can be found on our Water Removal page

Maintenance of Tanks, Pipework, Gauges and Filters

Regular inspection and maintenance of the tank installation will greatly decrease the possibility of any system failures.  In addition to providing one-off repair visits on a call-out basis, Sweetfuels provides flexible maintenance contracts for Domestic Oil Tanks that are tailored to fit your specific oil fuel storage installation. More information can be found on our Tank Maintenance page

All work is carried out by our own OFTEC registered tank technicians. This way we can ensure that the work is carried-out to the highest standards and within the required timescales.

For any of these services, please contact us or use the enquiry form on this page and we will do our very best to answer your query as quickly as possible.  We are also happy to arrange a site visit by one of our OFTEC registered technicians to provide you with a free quotation for the work you require.

What Size of Tank will I need?

The size of tank you need to install will be relative to the size of your property and your heating requirements.

Must all new Domestic Oil tanks be Bunded?

No, but there are environmental regulations that dictate whether you need to fit a bunded tank on your property, more details of which can be found on our Domestic Regulations page.    If you decide to use Sweetfuels for replacing/installing your tank we conduct a free site survey during which we will determine if you are legally required to have a bunded tank fitted.

Where should I Locate my Tank?

Building regulations must be taken into account, especially when deciding where to locate the tank, as well as access to the tank for filling purposes. With our expertise we can help you decide the best installation to fit your needs.

Is a Concrete Base essential?

No, but a correctly designed concrete base will generally last the life of the tank and ensure that the tank installation remains rigid and does not become susceptible to movement that could cause fractures in associated pipework or the tank structure itself.  Such damage caused to tank installations on other types of surface may also invalidate the tank’s warranty.

If I build my own Base will you still Install the Tank for me?

Yes, provided that you can show us the installation details and confirm that all of the work has been carried out in line with the correct and current regulations and standards.

Should I use all the Oil in my existing Tank before it is Changed?

No, in fact if you run the tank right down, sludge can be drawn into the pipework stalling the boiler pump, and potentially causing additional repair bills.  We recommend you maintain an oil level in your old tank above 500 litres to allow us to check connections and bleed the system.

Will I still have Heating and Hot Water while my Tank is being Replaced?

Yes, we install temporary tankage while your new installation is in progress.

How will I Dispose of my old Tank?

We will remove your old tank directly to a waste disposal site licensed for this purpose, and provide you with all of the correct paperwork to ensure compliance under current regulations.

What is OFTEC Registration?

The Oil Firing Technical Association (OFTEC) is the trade body that ensures that all oil fuel heating installation work is carried out to the relevant standards, and that members are kept up to date with any changes in legislation.  By demonstrating our continued commitment to maintaining those standards, OFTEC issue us and our technicians with valid certification providing you with full assurance that your project will be completed to the highest competency.

What if my old Tank starts to Leak?

Call us immediately on 01367 718333 and we will arrange an emergency call-out to address the problem.  This may involve pumping-out the tank or arranging temporary storage capacity for you.  We will also provide advice on how to minimise pollution, and on any clean-up processes you will need to put in hand.

Do you just Install New Oil Tanks?

No, we can provide a full range of Domestic Oil Tank services, including regular inspections and maintenance,  replacement of pipework, filters, pressure testing of fuel lines, transferring fuel oil, plus bleeding and restarting systems.

My Question is not Listed Here

Please contact us or use the enquiry form on this page and we will do our very best to answer your query as quickly as possible.

To make an enquiry about OIl Tank or Sight Gauge installation, please contact us or use the enquiry form on this page and we will do our very best to answer your query as quickly as possible.contact us here.

Areas We Cover

We cover Oxfordshire, Wiltshire, Gloucestershire and Berkshire, including the following towns:

Andoversford, Bicester, Chedworth, Cirencester, Henley-on-Thames, Malmesbury, Marlborough, Newbury, Reading, Stow-on-the-Wold, Swindon, Thatcham, Wantage and Witney.

For Domestic Oil Tanks – Think Sweetfuels!