Why you cannot barbecue indoors using gas or charcoal, but electric is OK

The British summer has let you down again. Rain is falling, clouds have rolled in, and your barbecue is sitting unused outside. The temptation to move it indoors - or at least under a conservatory roof - is understandable. But if you are using a gas or charcoal barbecue, that decision could be genuinely life-threatening.

This is a common question, and it deserves a clear answer. Gas and charcoal barbecues must never be used indoors or in enclosed spaces. They pose a serious and potentially fatal risk. Electric barbecues, by contrast, are designed to be safe for indoor use. Here is why.

The Hidden Danger: Carbon Monoxide

Both gas and charcoal barbecues produce carbon monoxide (CO) as a natural result of burning fuel. Carbon monoxide is colourless, odourless, and invisible - you cannot detect it without specialist equipment. There is no warning smell and no irritation. It simply builds up in the air.

Outdoors, CO disperses quickly and harmlessly. Indoors, or in spaces with limited airflow, it can reach dangerous concentrations in minutes.

Symptoms of carbon monoxide poisoning include headache, dizziness, nausea, vomiting, shortness of breath, confusion, and disorientation. In severe cases, victims lose consciousness and can die. Because symptoms often resemble flu or general illness, people may not realise what is happening until it is too late. Even semi-enclosed spaces such as conservatories, garages, or covered patios can trap enough CO to be deadly.

Why Charcoal Barbecues Are Especially Dangerous Indoors

Charcoal is particularly hazardous because it produces carbon monoxide throughout its entire burn cycle. Even after visible flames have gone out, smouldering charcoal continues to emit CO for hours. Some of the highest concentrations occur during this slow-burn phase, when the barbecue appears least threatening.

Disposable and compact charcoal barbecues are responsible for many indoor CO incidents. They are easy to carry, look harmless once the coals are glowing quietly, and are often used incorrectly during bad weather. There is no safe way to use a charcoal barbecue indoors or in a partially enclosed space.

Gas Barbecues: Carbon Monoxide and Gas Leak Risks

Gas barbecues also produce carbon monoxide during combustion, but they introduce an additional and often overlooked danger: gas leaks.

Gas appliances rely on pressurised fuel systems, hoses, valves, and connections. If any part of that system leaks - through wear, damage, incorrect assembly, or poor storage - gas can escape into the surrounding space. Outdoors, leaked gas disperses quickly. Indoors or in enclosed areas, it can accumulate rapidly.

A build-up of gas creates a serious fire and explosion risk. Even a small spark - from a switch, static electricity, or the barbecue ignition itself - can trigger ignition. This is why gas barbecues are designed, tested, and safety-certified exclusively for outdoor use. Using one indoors voids that certification entirely and exposes users to risks the appliance was never designed to manage.

Opening doors or windows does not make indoor gas barbecuing safe. Garages, conservatories, sheds, and similar spaces are enclosed enough for both carbon monoxide and leaked gas to build up to dangerous levels. Gas barbecues belong outside, full stop.

Why Electric Barbecues Are Safe Indoors

Electric barbecues work differently. They use electric heating elements rather than burning fuel. There is no combustion, no flame, and no gas - and therefore no carbon monoxide and no risk of gas leaks.

Because of this, electric barbecues are approved for indoor use when operated according to the manufacturer's instructions. Some smoke can occur when fat drips onto hot surfaces, so opening a window or using an extractor fan is sensible for comfort. This is a minor, manageable issue compared to the life-threatening dangers posed by gas and charcoal indoors.

What to Look For in an Indoor Electric Barbecue

When choosing an electric barbecue for indoor or covered use, look for:

• Compact, countertop designs that are easy to store
• Integrated drip trays to reduce smoke from fat
• Adjustable temperature controls for safer, more precise cooking
• Infrared heating technology, available on some models, which produces excellent char-grilled results similar to outdoor barbecuing

Modern electric barbecues can deliver impressive performance without compromising safety.

Covered Patios, Pergolas, and Outdoor Kitchens

A fully open pergola with good airflow is safer than an enclosed room, but gas and charcoal barbecues should still be used with caution. Outdoor kitchens with roofs and open sides may be suitable for gas barbecues only if ventilation is excellent and the space is genuinely open.

Conservatories, garages, sheds, and enclosed outbuildings are never safe for gas or charcoal barbecues under any circumstances. If there is any doubt, the safest option is always an electric barbecue.

Frequently Asked Questions

Can I use a gas barbecue in a garage with the door open?

No. Even with the door open, a garage does not provide sufficient ventilation. Carbon monoxide can build up, and leaked gas can accumulate, creating fire and explosion risks.

Is it safe to use a charcoal barbecue in a conservatory?

No. Conservatories are enclosed spaces, and charcoal produces CO throughout its burn cycle, including after flames die down.

Can electric barbecues be used indoors?

Yes. Electric barbecues produce no carbon monoxide and involve no gas. Basic ventilation is recommended only to manage cooking smoke.

What are the signs of CO poisoning from a barbecue?

Headache, dizziness, nausea, shortness of breath, and confusion. If CO poisoning is suspected, move to fresh air immediately and call 999.

Choosing the Right Barbecue for Your Space

Gas and charcoal barbecues are for outdoor use only. There are no safe workarounds, no ventilation solutions, and no exceptions worth the risk. Electric barbecues change the equation entirely. With no combustion, no carbon monoxide, and no gas-leak risk, they are a genuinely safe option for indoor cooking and covered spaces - without sacrificing flavour.

Browse our range of electric barbecues at Kitchen in the Garden and find the right model for your home, conservatory, or covered outdoor space. Our team is happy to help you choose a barbecue that suits your cooking style and keeps everyone safe, whatever the British weather has in store.