Oil Boilers & Installation

If you don't have access to the gas mains an oil boiler is a great
alternative to gas. There are many options for oil boilers.
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Oil Boilers & Installation

Oil boiler costs | Boilerhut

4 million homes in the UK don’t have access to the mains has network. Oil boilers are a great option.

They give you independence from national grid gas pricing. Plus, you have control over when you refuel your oil tanks, meaning you can stock up when prices are at their lowest.

Oil boilers are just as efficient as gas boilers, but they tend to be more expensive to buy and install. But a great advantage of oil boilers is that they are often available as an external oil boiler. This allows you to move the boiler outside your home, reducing noise and freeing up space. External boilers are a great option.

We offer comprehensive oil boiler installation through our network of oil boiler engineers across the UK mainland. Get a quote to view the range we offer. We also offer great value oil boiler finance from 3-10 years with £0 down-payment.

How does an oil boiler work?

Exactly the same way as natural gas and LPG. Burning oil heats water for heating, showers and taps. A great option is installing an external oil boiler to save room in your home.

The main difference is that you will need an oil tank to store the fuel. Often, they are put next to outbuildings, sheds or garages.

Choosing an oil boiler

There are two main things to consider when choosing from the best oil boilers for your home. First, your heating and hot water demands. Second, you should consider the current boiler setup.

Your heating and hot water demand will directly impact the new boiler‘s power. The more radiators and hot taps or showers you have, the higher the power boiler you need.

Your current heating system will also help you decide which oil boiler to buy. If your home is currently set up for a combi boiler, a simple swap would be the quickest option. Converting to a new type of system will incur additional cost and time.

If you are unsure about which boiler to choose, get an online quote and we’ll call you back to discuss your options.

Get Your Oil Boiler Quote Now!
Save up to £590 PER YEAR on your heating bills.
Getting an oil boiler quote takes less than 1 minute. No obligation.
Save up to £590 PER YEAR!

UNDERSTANDING OIL BOILER INSTALLATION

  • Installation Overview: Unlike gas boilers, oil boilers draw fuel from a tank typically located in the garden, not from the mains. The installation process, which usually takes about a day ensures efficiency levels comparable to modern gas boilers. Oil boilers are a cost-effective heating solution. They offer flexibility in fuel purchase and stockpiling options.
  • Costs Involved: The price of the boiler itself ranges from £2,200 to £5,000. This is heavily dependent on brand, type, size, and heating requirements. Installation costs vary between £1,800 and £3,000. Changing your boiler type will be more expensive than a ‘simple’ replacement. Despite the initial outlay, oil heating is generally cheaper monthly than LPG or electric alternatives. Potential financial assistance is available through various grants.
  • Regulatory Aspect: Contrary to rumors, oil boilers are not being banned in existing homes. The 2025 mandate for new builds to have low-carbon heating solutions does not impact the use of oil boilers in current residences.

BENEFITS OF CHOOSING AN OIL BOILER

  • Flexibility: Allows purchasing fuel at the lowest prices and stocking up as needed.
  • Efficiency: Modern oil boilers convert over 90% of oil into heating energy.
  • Compatibility: Works alongside renewable systems like solar panels or heat pumps.

How much does an oil boiler installation cost?

The average oil boiler installation cost for a 3-bedroom house is £4,980. This includes a combi boiler, installation, labour, filters, pipework, system flushing, and building regulations. Boilerhut offers a range of payment options including oil boiler finance options from three to 10 years with no deposit.

On average, an oil system or regular boiler installation with a new tank will cost between £5,600 to £8,000.

Based on an older boiler and paying 65p per litre of oil, switching to a modern oil boiler with 90%+ efficiency could save you 40% on your annual oil consumption.

Types of oil boiler

Like gas and LPG, you can get oil boilers in the following types of boiler:

  • Oil combi boilers are great for small and medium-sized homes. They heat water on demand, eliminating the need for a hot water tank.
  • Oil system boilers are suited to medium and large homes. Cold water from the mains is heated and stored in a cylinder, which can provide high volumes to multiple taps and showers.
  • Oil regular boilers pull water from a cold water storage tank, usually in the loft, to heat and then store in a hot water cylinder. Pressures tend to be lower, but they can provide for large homes.

Oil boiler engineer near you

We have a panel of oil boiler heating engineers that we use to install oil boilers across the UK. This allows us to move quickly on oil boilers. And, considering the majority of oil boilers are in older homes without modern insulation, moving quickly can be vital.

There are fewer oil boiler engineers than Gas Safe registered engineers in the UK because there are fewer oil boilers.

Get Your Oil Boiler Quote Now!
Save up to £590 PER YEAR on your heating bills.
Getting an oil boiler quote takes less than 1 minute. No obligation.
Save up to £590 PER YEAR!

Our Oil Boiler Range

Navien LCB700 Regular Boiler | Boilerhut

Navien LCB700 Blue Flame Oil Boiler

  • Size: 21 kW, 28 kW, 36 kW
  • Efficiency: 93%
  • Warranty: 7 Years
Worcester Bosch Greenstar Heatslave II - Oil Combi Boilers | Boilerhut

Worcester Bosch Greenstar Heatslave II Oil Boiler

  • Size: 18kW, 25kW or 32 kW
  • Efficiency: 94%
  • Warranty: 10 Years
Grant Vortex Pro - Oil Combi Boilers | Boilerhut

Grant Vortex Pro Oil Boiler

  • Size: 21kW to 36kW
  • Efficiency: 90 - 94%
  • Warranty: 10 Years

Do you need an oil boiler?

If you need a new or replacement oil boiler, get an online quote (it takes less than 1 minute), and you’ll get an instant price. But why choose Boilerhut:

  • Quick oil boiler installation.
  • Instant, no-obligation quote in less than 1 minute.
  • Oil boiler finance options available for new boilers and central heating installation.
  • 10 warranty on oil boilers.
  • ‘Excellent’ 5* customer satisfaction on Trustpilot.
  • Fixed prices. No hidden extras.
  • Get up to three quotes for different-tier boilers.

Oil boilers on finance
Boilerhut Ltd is an Introducer Appointed Representative (Financial Services Register No. 836593) of Phoenix Financial Consultants Limited (“Phoenix”). Phoenix is a credit broker, not a lender. Phoenix is authorised and regulated by the Financial Conduct Authority (FRN: 539195), and offers finance from its panel of lenders. All finance subject to status and credit checks.

Get Your New Oil Boiler Quote Today

Save up to £500 per year on your heating bills

Frequently asked questions

For an oil boiler installation at your property, you will require an oil storage tank.

There are three main types of oil boiler tanks:

  • Single Skin: suitable for installation in a reinforced concrete or masonry bund
  • Double Skin: predominantly used for commercial underground applications
  • Integrally Bunded: used above ground and within buildings

Oil storage tanks are usually made of steel or polyethylene. They can be supplied in a range of shapes and sizes to suit the site requirements. If you don’t already have an oil storage tank, we are able to assist you in choosing the most suitable type and size for your property.

For most homes, an oil storage tank between 1000-2500L will be suitable. Oil storage tanks are usually fitted with a device that will warn you when the tank contains low levels of oil.

When installing an oil storage tank, it is important that the regulations are followed for safety and environmental reasons.

As oil engineers with vast experience, this is something that we will assist you with during your oil boiler installation.

Yes, fumes from oil burning can be dangerous, particularly if they contain carbon monoxide (CO) and other harmful substances. When oil is burned in a boiler, it should ideally combust completely, producing water vapor and carbon gases. Carbon monoxide, a colorless, odorless, and highly toxic gas is also produced.

Flues bring air into the boiler as well as provide an exhaust route to the outside world.

No, not anytime soon anyway. With so many homes off-grid and so many unable to be retrofitted with air source heat pumps oil or LPG is usually the only fuel available. Electric boilers are expensive and usually require an expensive 3-phase supply.

They tend to be more expensive to run than gas because of the price of the fuel being used. Modern oil boilers are highly efficient and burn with a blue flame. Blue flame means the fuel is vaporised and burns a lot more cleanly and efficiently than older yellow flame systems.

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