Charcoal vs Gas BBQs: Which Is Right for Your Garden?

It's the great garden debate, isn't it? You're standing in the aisle of a DIY superstore, or scrolling endlessly on a rainy Tuesday evening, and you've narrowed it down to two camps: the traditionalists who insist nothing tastes right without charcoal, and the pragmatists who just want to feed the family without a 45-minute warm-up ritual. I've spent years cooking on both, in all weathers, and I can tell you straight away — there is no single "best" answer. There's only the best answer for you, your garden, and the way you actually like to cook.

That's what this guide is all about. We're going to dig into the four things that genuinely matter once the novelty wears off: how the food actually tastes, what it costs to run week after week, how much faff is involved in cleaning, and whether either type will even fit comfortably in a typical UK garden. I'll be naming specific models I rate, throwing in real numbers and test data, and being honest about the downsides of both. By the end, you'll know exactly which camp you belong to.

Let's get the fire going.

The Quick Verdict: Two Very Different Philosophies

Before we get into the weeds, here's the short version. Gas barbecues are about convenience and control. You turn a dial, you get heat, you cook, you turn it off. Charcoal barbecues are about flavour and ritual — they reward patience and skill with a depth of taste that gas genuinely struggles to match. Neither is "better" in the abstract; they're solving different problems.

In my experience, the people who are happiest with their purchase are the ones who were honest with themselves about how often they'd actually use it, and how much time they were willing to invest in the process. A keen weekend cook who loves the theatre of fire-lighting will be miserable with a gas grill. A busy parent who wants burgers on the table 15 minutes after getting home will resent a charcoal kettle within a fortnight.

Flavour: Does Charcoal Really Taste Better?

This is the question everyone asks, and it's the one that's most loaded with myth, nostalgia and outright snobbery. So let's deal with the science first, then the practical reality.

The flavour you associate with "proper barbecue" doesn't actually come from the charcoal itself in any mystical way. It comes from a combination of two things: the Maillard reaction (the browning chemistry that gives seared meat its savoury crust) and, crucially, the smoke and aromatic compounds produced when fat and juices drip onto a hot surface and vaporise. Charcoal grills tend to run hotter and create more of that flavourful smoke when drippings hit the coals, which is where a lot of the "charcoal taste" genuinely originates.

Researchers have actually measured this. Work by Dr Greg Blonder at Boston University examined what happens at the kind of high surface temperatures a charcoal fire reaches — around 300°C — and the difference in how flavour compounds develop at those temperatures is real, not imagined. Charcoal's ability to hit and sustain genuinely fierce searing heat is a big part of why a steak off coals so often beats the gas equivalent.

Where gas holds its own

That said, the gap is narrower than the purists would have you believe — and it depends enormously on what you're cooking. For burgers, sausages, chicken pieces and the everyday family fare that makes up 90% of British barbecuing, a good gas grill produces excellent results that most people genuinely couldn't pick out in a blind test. The drippings still vaporise on the heat deflectors and produce smoke; you're not cooking in a flavour vacuum.

Where gas falls behind is in two specific areas: that searing-hot steak crust, and the long, low-and-slow smoky cooks where charcoal (often supplemented with wood chunks) creates a depth you simply can't replicate with propane.

Heat-Up Time & Temperature Control

This is where the two technologies feel completely different in daily use, and honestly it's the factor that decides more purchases than flavour does once people have lived with their choice for a season.

Gas grills are gloriously immediate. You open the lid, turn the dial, hit the ignition, and you're up to cooking temperature in around 10 minutes. There's no lighting ceremony, no waiting for coals to ash over, no judgement calls. Charcoal, by contrast, takes considerably longer — figure on roughly 15 to 20 minutes to reach a proper, even cooking temperature, and that's after you've got the coals lit, which adds time of its own depending on your method.

The control gap

Temperature management is the other half of this story. With gas, control is almost embarrassingly easy. Need 180°C for chicken? Turn the knob to medium-low. Want to sear at a blistering 260°C and then drop to 150°C to finish a thick chop gently? Just twist the dial. It's that simple, and for nervous cooks it removes an enormous amount of stress.

Charcoal demands that you understand airflow. The bottom vents control the oxygen supply — more air means a hotter fire — whilst the top vents regulate how heat and smoke escape. There's a learning curve here; it genuinely takes several sessions to develop a feel for it. But here's the reward: once you've mastered the dance of the vents, you can hold a charcoal grill within 10–15°C of your target temperature remarkably reliably. It stops being a chore and becomes second nature.

Running Costs: The Long Game

This is the section that gets glossed over far too often, and yet it's where the two types diverge most dramatically over the lifetime of ownership. The purchase price is only the start; what you spend feeding the thing matters enormously if you grill regularly.

Let's start with fuel consumption, because the numbers are genuinely eye-opening. A 20-pound bag of charcoal yields only about three grilling sessions. Contrast that with propane: a 20-pound cylinder provides somewhere in the region of 25 days of cooking time, and a typical tank delivers roughly 20–25 hours of actual cooking. The difference in efficiency is not subtle.

To put this in everyday terms: a typical charcoal cook costs you between £2 and £5 in fuel depending on the grill type and how long you're cooking. A 5kg propane bottle costs around £25 and lasts five to six sessions — which works out at a broadly comparable per-session cost on paper, but gas pulls ahead sharply on longer cooks and big gatherings, because charcoal burns through fuel relentlessly the longer you go. For a quick weeknight cook, the costs are close. For a four-hour Sunday session feeding the extended family, charcoal will quietly empty your wallet.

Cleaning & Maintenance: The Reality Check

Nobody buys a barbecue dreaming about cleaning it, but it's the chore that determines whether your grill gets used joyfully or resented quietly in the corner of the patio. This is, frankly, one of gas's biggest practical advantages.

Charcoal grills generate ash — there's no way around it. Every cook leaves you with spent coals and grey powder that needs disposing of, ideally once it's fully cold (which can take hours). The better charcoal kettles have made huge strides here, though. The Weber Master-Touch GBS, for instance, uses a One-Touch ash system with a high-capacity ash catcher that genuinely makes cleanup a five-minute job rather than the messy ordeal it once was. You sweep the internal blades, the ash drops into the catcher, and you empty it in one go.

Gas grills sidestep the ash problem entirely, and some go further. The Campingaz 3 Series Classic LXS features an InstaClean system where the grates are designed to go straight into the dishwasher — which, if you've ever scrubbed a greasy grate over the kitchen sink, feels almost luxurious. You'll still need to manage the grease tray and give the burners an occasional check, but it's an order of magnitude less faff than ash disposal.

Space & Practicality in a UK Garden

British gardens, let's be honest, are often on the compact side. A sprawling American-style outdoor kitchen is a lovely dream, but most of us are working with a modest patio, a strip of decking, or a postage-stamp of lawn. So footprint and storage matter.

Charcoal kettles tend to win on compactness. A classic kettle like the Weber Original Kettle or a budget option such as the VonHaus 51cm kettle has a small footprint and rolls easily on its wheels. The VonHaus, at 51cm, packs air vents, a built-in thermometer and a height-adjustable cooking grate into a genuinely garden-friendly size. The Weber Master-Touch at 57cm gives you room to cook for six to eight people whilst still being a single, manageable round unit you can wheel into a corner or a shed.

Gas grills, particularly the multi-burner models, are physically larger. A four- or five-burner trolley-style barbecue is a substantial piece of furniture. The trade-off is that they're typically on castors and offer far more usable cooking real estate — handy if you're regularly catering for a crowd, but a real consideration if your "garden" is more of a courtyard.

The Models Worth Knowing: Charcoal Contenders

Let's get specific. If you've decided charcoal is your path, here are the models I'd point you towards across the budget spectrum.

The Models Worth Knowing: Gas Contenders

And if convenience and control have won you over, these are the gas grills that stand out.

Head-to-Head: How They Stack Up

Here's the full picture in one place, weighing the factors that actually matter day to day in a British garden.

How They Score: My Ratings

Having weighed everything up, here's how each type scores across the categories that matter most for the typical UK garden cook. Remember — these scores reflect different priorities, so read them against your own.

Charcoal

Gas

Who Should Buy What?

Let's make this properly practical. Find yourself in one of these and you'll have your answer.

Frequently Asked Questions

Whichever way you lean, the best barbecue is the one that actually gets used. Match it to your habits, your garden and your patience, and you'll be eating well outdoors for many summers to come. Happy grilling.