Independent comparisons. We may earn from shop links. More info

How to use a kettle barbecue safely in a UK garden

Updated: 23 October 2026

How to use a kettle barbecue is outdoor air, no petrol, grey ash before the food goes on, and a probe for anything minced or poultry, not a guess from the colour of the crust. The five 57 cm listings on the [kettle barbecue 57cm comparison](/hub/grills-and-barbecues/kettle-barbecue-57cm) differ on thermometers and ash systems. The lighting order does not. Banking coals for a whole chicken belongs on the indirect page linked below. We wrote this in October 2026 from Weber UK, GOV.UK, London Fire Brigade and Food Standards Agency pages, without lighting these ASINs. A purchase through our links may earn a commission.

How to use a kettle barbecue is outdoor air, no petrol, grey ash before the food goes on, and a probe for anything minced or poultry, not a guess from the colour of the crust.

Our top picks

Char-Griller Char-Griller 22-inch kettle

Best overall

Char-Griller Char-Griller 22-inch kettle
6.6/10about £87.99
View offer
Weber Weber Original Kettle Premium 57 cm

Rank 2

Weber Weber Original Kettle Premium 57 cm
7.5/10about £239.00
View offer
Weber Weber Original Kettle 57 cm

Alternative

Weber Weber Original Kettle 57 cm
7.2/10about £169.99
View offer
On this page
  1. 1.Set the kettle before you strike a light
  2. 2.Light the charcoal
  3. 3.Hold the heat with the vents
  4. 4.Know the food is cooked
  5. 5.Put it out and leave it outside

Set the kettle before you strike a light

Park the kettle on flat ground outdoors, clear of fences, sheds and overhanging branches: away from the house, not on a balcony, not on decking, not under an awning. Open the lid and bowl dampers before you light anything. Charcoal sits on the lower grate, not piled against the porcelain wall. Finish legs, wheels and handles first. UK Compact reviewers who skimmed the drawings fitted parts wrongly. A chimney starter is not in the included lines for these five ASINs. Weber UK’s Rapidfire chimney is sold separately at £23.99 and holds about 2.5 kg. When the stand is steady and the vents are free, you can light.

Light the charcoal

Weber UK points at lighter cubes and a chimney: roughly one-third, half, or a full chimney, with weather and kettle size changing the need. GOV.UK gives a separate rule of thumb, about 5 cm of charcoal and not more, and bans petrol and paraffin. Keep those two fuel ideas separate. Never use spirit or petrol. Wait until the coals are covered in grey ash and glowing, not yellow flame under the grate. Napoleon UK puts that ash-ready window around fifteen to twenty minutes once the coals have ashed over. That is their guide, not a timer we logged on these ASINs. If rain starts, do not finish the cook in the garage or the kitchen. Carbon monoxide from a barbecue brought indoors is the London Fire Brigade warning.
Char-Griller Char-Griller 22-inch kettle

Testsieger

Char-Griller Char-Griller 22-inch kettle
6.6/10about £87.99
View offer

Hold the heat with the vents

More air means more heat. Weber’s temperature article: both vents open for high direct heat, partly closed for a lower hold, and never both shut while you still mean to cook. Closing both vents with the lid on starves the fire when you are finished. A lid thermometer, where the Original, Premium or KEYO bullets list one, reads dome air. It does not tell you the centre of a sausage. For food under about twenty minutes, Weber points at direct heat over the coals. For a whole chicken or a joint, bank the coals to one side. That layout is the indirect heat charcoal kettle page.

Know the food is cooked

Colour on the outside is not a safety test. The Food Standards Agency uses equivalents such as 70°C for two minutes in the centre. GOV.UK’s barbecue note states at least 75°C in the thickest part for poultry, pork, burgers, sausages and kebabs. Whole steaks can stay pink if the outside is seared. That exception does not apply to burgers or chicken. Use a probe in the thickest part. Do not trust the lid dial. If you are still choosing a listing, the who-for-whom map is on best 57cm kettle barbecue.

Put it out and leave it outside

When the cook is done, close the vents and leave the lid on so the fire dies from lack of air, then keep the kettle outdoors until it is cold. Ash can still produce carbon monoxide for hours. London Fire Brigade and GOV.UK say it stays out of the house, tent and caravan. Cold ash goes on bare soil, not into a wheelie bin. Do not drag a cooling kettle onto a balcony. If someone feels ill after a barbecue was used indoors, get out and call 999. The fire service’s carbon monoxide advice includes 0800 111 999 even when the source is not gas.

Common questions

How do you light it without lighter fluid?
Use firelighter cubes and a chimney starter, outdoors, with the vents open. Weber UK describes cubes and a chimney wait until the coals glow. Petrol, paraffin and spirit are out. GOV.UK and Weber both ban them.
When are the coals ready?
When they are covered in grey ash and glowing, not when yellow flame is still licking the grate. Napoleon’s guide mentions about fifteen to twenty minutes after ashing as a typical window. Weather changes that.
How much charcoal is a starting point?
Weber offers chimney fractions as a guide. GOV.UK offers about a 5 cm bed and not more. Keep both as separate rules of thumb. A chimney is usually bought separately from these five listings.
What temperature should a burger reach?
Follow Food Standards Agency equivalents such as 70°C for two minutes in the centre, and the GOV.UK barbecue note of at least 75°C in the thickest part for burgers and similar minced products. Check with a probe, not the lid dial.
Can a steak be pink?
GOV.UK’s barbecue food-safety note allows whole steaks to be pink inside if the outside is seared. That does not apply to burgers, sausages or poultry.
How do you put it out, and where does the ash go?
Close the vents, leave the lid on, and keep the kettle outside until cold. Cold ash goes on bare soil, never in a wheelie bin, and never take cooling ash indoors.
Can you finish the cook in the garage if it rains?
No. Enclosed spaces are banned for charcoal barbecues. Bring people and food inside if you must. Leave the kettle outside.

Related pages

57cm kettle buying guide

Kettle barbecue 57 cm

Best 57cm kettle barbecue: who each listing is for

Indirect heat charcoal kettle for chicken and joints

Weber 47cm vs 57cm kettle: which diameter should you buy

Sources

Public UK and maker sources used for this comparison. Listing prices, stars and review counts are the saved amazon.co.uk figures for these ASINs. Retrieved 22 October 2026.

  1. Weber UK: Original Kettle 57 cm, model 1502202 (retrieved 22 October 2026)
  2. Weber UK: warranty information (retrieved 22 October 2026)
  3. Weber UK: Original Kettle size guide (retrieved 22 October 2026)
  4. Weber UK: Compact 57 cm, model 1502061 (retrieved 22 October 2026)
  5. London Fire Brigade: BBQ safety (retrieved 22 October 2026)
  6. BSI: BS EN 1860-1:2024 solid-fuel barbecues (retrieved 22 October 2026)
  7. GOV.UK: nuisance smoke, how councils deal with complaints (retrieved 22 October 2026)
  8. Food Standards Agency: cooking your food (retrieved 22 October 2026)