Heating Oil and LPG Supply in the UK

Around two million UK properties are off the gas grid and depend on alternative fuels for heating and cooking, because only 84% of domestic properties are connected to the gas network¹. Most of those off-grid homes burn heating oil: independent consumer guidance puts the figure at around 1.5 million homes, including many in Northern Ireland², while official statistics suggest around 1.6 million homes across the UK³. A further two hundred thousand or so use LPG, liquefied petroleum gas, delivered by tanker into a tank in the garden².

These fuels behave very differently from mains gas. There is no pipe keeping the house supplied: the household buys fuel in bulk, stores it on site, and reorders before it runs out. And unlike gas and electricity, heating oil and LPG sit outside the energy price cap, so when world markets move, the price at the door moves with them, sometimes within days. In March 2026 the average UK heating oil price rose by over 100% in a matter of weeks, from approximately 60 pence per litre to over 120 pence per litre⁴.

Who heats with oil and LPG: the homes beyond the gas grid

Off-grid heating is overwhelmingly a rural and island story. The properties without a mains gas connection are those the pipe network never reached: remote villages, farms, island communities and scattered housing across Scotland, Wales, Northern Ireland and rural England. Northern Ireland stands out: many of the UK's oil-heated homes are there, because the gas network arrived later and covers less of the province².

The numbers vary a little between sources, and it is worth being precise about why. Independent consumer guidance says around 1.5 million UK homes use oil for heating²; a parliamentary answer in March 2026 used the same 1.5 million figure⁷; official statistics from 2024 suggest around 1.6 million homes across the UK³. These are estimates of the same population, taken at different times by different bodies, and the honest reading is that somewhere between 1.5 and 1.6 million homes depend on delivered oil. Industry guidance adds that liquid fuel is the choice of around one million homes in Great Britain and a similar number in Ireland, counting oil alongside other liquid fuels⁸.

LPG is the smaller cousin. Around two hundred thousand UK homes use it², typically households that want the feel of gas appliances, a gas boiler, gas fire or gas cooker, in a place the mains does not serve. For both groups, the defining feature is the same: the fuel arrives by road, in batches, and the household is responsible for making sure it keeps arriving.

For energy independence, that cuts both ways. An off-grid home is immune to gas network emergencies and to the standing charges of a pipe it does not use. But it is exposed instead to delivery logistics, tank condition, contract terms and a fuel price that tracks world oil and gas markets with no cap in between. The rest of this page sets out how that system works and where its weak points are.

Understanding LPG and its origins

LPG stands for liquefied petroleum gas. It is a hydrocarbon fuel, mainly propane, that is a gas at normal temperature but becomes a liquid under modest pressure, which is how a useful amount of it fits into a tank in the garden. Scottish building standards guidance describes the arrangement plainly: LPG is stored under pressure at ambient temperatures in fixed vessels⁹. That pressure is why LPG tanks, siting rules and installation standards are stricter than those for an oil tank.

As a fuel it is dense and efficient. Government estimates used in consumer guidance put the energy content at 7.1 kWh per litre², and LPG is described as an efficient fuel, giving a good return on every unit of energy². It burns cleanly by the standards of fossil fuels: industry guidance states that LPG produces 90% less carbon monoxide and 50% less smog than mains natural gas¹. It fuels all the familiar domestic gas appliances: central heating boilers, gas fires, gas ranges, AGAs and cookers¹.

Where it comes from matters for price. LPG is produced alongside oil and gas: it comes out of the ground with them and is separated out at processing facilities, so its supply and its cost are tied to the same international markets that move oil prices. A household buying LPG is not buying a British product with a British price. It is buying a globally traded commodity, delivered by road, and the price moves when the world market moves.

That is the core dependence an LPG household carries. The fuel is not on tap, it is not capped, and it is not produced at home in any quantity that shields the buyer. What the household does control is how much it stores and how efficiently it uses it, which is why tank size, insulation and boiler condition matter more off-grid than on.

How fuel reaches your home

Neither fuel arrives continuously. The pattern for both is the same in outline: a road tanker delivers a batch of fuel into a storage tank on the property, and the household lives off that batch until the next delivery. For heating oil, the tank belongs to the householder, orders are placed when the gauge or the dipstick says the level is falling, and price is paid per litre at the time of the delivery. For LPG, the tank usually belongs to the supplier and the delivery is arranged under a contract, often with automatic top-ups.

Modern bulk LPG supply commonly uses telemetry: industry guidance notes that telemetry systems can alert the supplier when fuel is low, making deliveries manageable and efficient¹. Rather than the household watching a gauge and phoning for a delivery, a monitor on the tank tells the supplier when to come. That removes the main failure mode of bulk fuel, running out, but it also hands the timing of deliveries to the supplier.

Delivery itself depends on road access. A tanker needs to get within a hose length of the tank, which is why tank siting rules and driveway access matter, and why a snowy or flooded lane is an off-grid supply risk in exactly the way a frozen pipe never is. Winter is when demand peaks and when roads are hardest, which is the structural reason off-grid fuel security is a winter problem.

Support schemes recognise this delivery-by-road reality. The Scottish Emergency Heating Oil Scheme covers both heating oil and LPG¹⁰, and the Welsh Government's Heating Oil and LPG Scheme asks applicants to confirm their heating fuel type and provide bank details, with proof of the last oil or LPG purchase dated within the last 12 months¹¹. These schemes exist because a household that cannot afford the next tanker load has no alternative supply to fall back on.

The independence picture is therefore mixed. The household is independent of the gas network, of network charges and of gas supply emergencies, but it is wholly dependent on one supplier's tanker, one road, one tank and one contract. That is a different, more physical kind of dependence than a grid connection, and it is managed by buying early, storing enough and keeping the tank sound.

Prices for buying and running oil and LPG

Heating oil is priced per litre, and the price moves with the market. The recent record shows how violently. In February 2026 the average UK price was 53 pence per litre¹³. Between the end of February and mid-March 2026, BoilerJuice data shows the average price rose by over 100%, from approximately 60 pence per litre to over 120 pence per litre⁴. Typical mid-month prices were 90 pence per litre in August 2026⁵. By mid-June 2026 the UK figure was 76.6 pence per litre, still cheaper than anywhere in the EU, where the cheapest country, Malta, stood at 86.9 pence per litre⁵. For comparison, prices were 58 pence per litre in mid-June 2024³.

LPG is also priced per litre. In July 2025 it cost an average 57 pence per litre, according to Sutherland Tables, which collects domestic fuel pricing data². But the running cost is what bites: official statistics put the annual cost of bulk propane for a three-bed semi-detached house at £1,800 to £2,200 in March 2026⁶. Consumer guidance, using Ofgem's estimate that an average medium-use household needs around 11,500 kWh per year for heating, puts the annual LPG heating cost at around £923 for such a household². These figures differ because they describe different houses and different assumptions about use; both are dated and both move with the fuel market. Against mains gas, the gap is stark: official guidance puts the cost of heating a typical three bedroom house at 100% higher with LPG than with mains gas¹⁴. Industry guidance is equally blunt that LPG is one of the most expensive heating fuels⁸.

Governments have responded to spikes with targeted payments. The Welsh Government's Heating Oil and LPG Scheme provides a one-off £200 payment to low income households using these fuels¹², funded from £3.8 million allocated to Wales by the UK Government¹¹. In England, support has been targeted at areas with higher rates of oil heating¹⁵, and the UK Government has announced over £50 million to help families struggling with soaring heating oil costs¹⁵. For households considering a way off these fuels altogether, a scheme announced in June 2026 gives homeowners living in properties heated by oil and LPG £9,000 off the cost of a heat pump¹⁶.

What drives the price is the world market, plus delivery distance and local competition among distributors. A rural household with one distributor within reach cannot shop around the way a town household can, and the price of a delivered litre reflects that. The cost of LPG installation, compared with electric, oil and air source heat pump installations, is significantly cheaper¹, but the running cost is the expensive part, and it recurs every year.

How oil and LPG emissions stack up against other fuels

Both fuels are fossil fuels, and neither is environmentally friendly in the way electricity from renewables can be. Consumer guidance states it plainly: LPG is a fossil fuel and produces carbon dioxide when it is burnt². The Welsh Government frames the wider picture: heating with fossil fuels like gas and oil contributes to 17% of the UK's total emissions¹⁷.

Between the two, LPG is the cleaner burn. Industry guidance states that LPG's carbon emissions are 12% less than oil¹, and independent guidance agrees that the carbon emissions from LPG are slightly lower than oil⁸. LPG also produces 90% less carbon monoxide and 50% less smog than mains natural gas¹, which says something about the cleanliness of the combustion, though carbon monoxide and smog are not the same as carbon dioxide, and it is carbon dioxide that drives climate change.

Efficiency at the boiler matters too. A Northern Ireland consultation on building regulations includes a worked example of delivered energy for an LPG boiler replacing an oil-fired boiler, arriving at 1.075 kWh of input per kWh of heat output, rated acceptable¹⁸. In practice, a modern condensing boiler on either fuel converts most of the fuel's energy into heat, and the difference between a well-maintained boiler and a neglected one is larger than the difference between the two fuels.

The honest comparison, though, is not oil against LPG. It is both against the direction of travel. A household heating with either fuel is emitting carbon dioxide every winter, at a rate set by the house's heat demand, and every improvement to insulation reduces that rate whatever the fuel. The emissions case and the cost case point the same way off-grid: use less heat, and the fuel bill and the carbon bill both fall.

Owning, renting and positioning your tank

Storage is where oil and LPG differ most. A heating oil tank is normally bought and owned by the householder, like the boiler it feeds. An LPG bulk tank is different: industry guidance notes that, unlike liquid fuel tanks, the tank is usually owned by the company that supplies the gas⁸. Ownership stays with the supplier, which means an ongoing annual rental charge applies⁸.

That ownership difference has consequences beyond the rental bill. Because the supplier owns the tank, the household generally cannot fill it from a rival supplier, which is the root of the long-contract problem covered in the next section. The tank is also the supplier's asset, so its installation, siting and maintenance follow the supplier's and the industry's rules rather than the householder's preference.

Siting rules exist for safety, and they are stricter for LPG than for oil because of the pressure and the gas behaviour described earlier. Scottish building standards guidance deals with LPG stored under pressure at ambient temperatures in fixed vessels⁹, and equivalent separation distances from buildings, boundaries and openings apply across the UK. On appearance, there is an option: industry guidance confirms that tanks can be buried below ground to improve the aesthetics of a building¹, subject to the same installation standards.

For oil tanks, the householder owns the risk as well as the tank. Official guidance from Northern Ireland's nidirect service says to inspect tanks, pipes and other equipment for leaks, damage and interference once a month, and that any problems should be fixed promptly¹⁹. The practical rule is the monthly inspection: a tank that is leaking, corroding or damaged needs replacing whatever its age, and a sound tank does not.

Planning permission is rarely an obstacle. Planning permission is not normally required for the installation or replacement of a boiler or heating system if all the work is internal²⁰, and tank installations generally fall within similar permitted development principles, though listed buildings and protected areas can carry additional requirements, and rules should be confirmed with the local planning authority in each nation.

Suppliers, contracts and the absence of an LPG price cap

The single most important fact about these fuels is that neither is protected by the energy price cap. Official guidance states it directly: heating oil prices aren't regulated by Ofgem and aren't covered by the energy price cap⁴. Trading Standards put the consequence in the sharpest terms in 2026: heating oil is not covered by Ofgem's energy price cap, leaving consumers fully exposed to sudden market increases²¹.

The reasoning behind the difference is market structure. The price cap on gas and electricity exists partly because households could not easily switch away from a loyalty penalty. Heating oil, by contrast, is supplied through a highly competitive market, in the words of a parliamentary statement in March 2026⁷. With many distributors and no network monopoly, the theory is that competition disciplines the price. In practice, as the March 2026 spike showed, competition disciplines the margin but not the commodity: when the world price doubles, every distributor's price doubles.

LPG is the weaker half of the competitive argument, because of the tank. Homeowners are usually tied into long contracts, which limits the options for finding a better deal⁸. Consumer guidance sets out the switching position: you can switch supplier as long as you have LPG supplied into a bulk tank and are not within a contract, and your supplier should tell you a month before your contract finishes². So switching is possible, but only at the contract's end, and only if the notice actually arrives.

Northern Ireland and heat networks sit in different positions again. Energy prices were not capped in Northern Ireland, and energy suppliers there have the flexibility to set their tariffs independently to reflect their costs of operating²². Heat networks are classed as commercial supplies and are not covered by the Ofgem energy price cap or the UK Government's Energy Price Guarantee²³.

Trading Standards have also flagged a protection gap around bulk fuel itself, reporting that cost of living pressures and soaring prices have exposed gaps in bulk fuel checks²¹. For a household, the practical protections are the ones it builds itself: comparing distributors before the tank is empty, buying outside the peak of a spike where possible, and knowing the contract's end date.

Managing the risks of oil and LPG

Heating oil's main hazard is environmental rather than explosive. Official guidance warns that oil can pollute rivers, harm wildlife and contaminate ground and drinking water, and that clean up costs can be significant and are not always covered by household insurance policies¹⁹. A leaking tank is therefore not just a lost fuel bill: it is a contamination event on the household's own land, which is the reason for the monthly inspection regime described above.

The same guidance's monthly routine covers tanks, pipes and other equipment, checking for leaks, damage and interference, with problems to be fixed promptly¹⁹. Most leaks are found this way, early, by the householder, rather than by any inspection regime imposed from outside. Off-grid fuel safety is largely the householder's own responsibility.

LPG's hazards come from pressure and from the gas itself. Stored under pressure in fixed vessels⁹, a tank or pipe failure releases a flammable gas, and because LPG is heavier than air, leaked gas collects in low places rather than dispersing upward, which is why separation distances, ventilation and professional installation matter. The combustion-side record is good: LPG produces 90% less carbon monoxide and 50% less smog than mains natural gas¹, though any fossil fuel appliance needs maintenance, and any gas smell indoors is an emergency.

The safety regime for LPG installations is set out in building standards and industry codes: Scottish guidance covers LPG stored under pressure at ambient temperatures in fixed vessels⁹, and equivalent UK-wide codes govern tank siting, separation distances and installer competence. A household does not need to know the codes in detail, but it does need to know that they exist, that they are the reason a tank cannot go anywhere convenient, and that a buried tank¹ still has to meet them.

The role of oil and LPG as energy markets evolve

The March 2026 episode is the clearest illustration of what off-grid fuel security now means. The spike in March 2026, linked to supply disruption following the start of the Israel/US-Iran conflict, was sharper than anything before it⁵: prices almost doubled in one month⁵, a 95% increase in a single month by the official series¹³. A household that bought in February paid half the price of a household that bought in March, for the same fuel from the same road tanker.

This is the structural exposure. The UK is a net energy importer with a high dependence on gas and oil²⁴, and events far away set the price at an off-grid doorstep. The gas market shows the same fragility: the high gas price rise has forced several energy suppliers out of the market²⁵. Oil and LPG households have no supplier of last resort and no cap, only the market and the tank.

Policy is moving, slowly, in the direction of reducing this exposure. The Climate Change Committee's independent assessment of the UK Government's Heat and Buildings Strategy found that it sets a new policy direction but that plans are not yet comprehensive or complete, and significant delivery risks remain²⁶. The strategy's stated benefit, if delivered, is to protect UK consumers from future price spikes and increase energy security by reducing energy needs and shifting demand from gas to electricity, which in future will be predominantly supplied from UK-based renewable generation²⁶. Support is also available for installers and manufacturers to expand supply chains²⁷, and the Warm Homes Plan describes a UK-level ambition¹⁰.

For oil and LPG households specifically, the offer has become concrete: homeowners living in properties heated by oil and LPG can get £9,000 off the cost of a heat pump¹⁶. That is the direction of travel for the two million off-grid homes: away from a fuel whose price is set abroad and delivered by road, toward heat drawn from a decarbonising grid. Until a household makes that move, its energy independence rests on storage, timing and the condition of one tank.