By the UK Home Forge — The British Blacksmith's Buying Guide Team · Updated June 2026 · Independent, reader-supported

Best Coal Forges for Beginners in the UK: Solid-Fuel Forge Reviews

Getting into blacksmithing is simpler than most people think, and a coal forge is the most forgiving way to start. You don't need electricity, a workshop, or specialist skills—just fuel and heat. But choosing the right forge matters because the wrong one will frustrate you into quitting before you've made your first tongs.

This guide covers the two forge types beginners in the UK actually buy: traditional firepot forges and the modern hack that is the brake-drum forge. Both work. Both have real drawbacks. Neither is perfect, but one probably suits your space and budget.

Firepot Forges: The Traditional Choice

A firepot forge is built on a cast-iron bowl welded to a steel base. You pack coal or coke into the bowl, light it, and force air through from below with a hand bellows or motorized blower. The design hasn't changed much since the 1800s because it works.

The advantages are genuine. A proper firepot gives you precise heat control. The deeper the coal bed, the hotter you can go. Air from the blower flows upward through the fuel, and you adjust it by opening or closing a damper. For metalwork, this means heating a specific area of your workpiece to exact temperatures without overheating the whole thing. If you're learning to forge, this precision stops you from ruining work through careless heat management.

Firepots are also durable. Cast iron handles thermal shock. A decent firepot will outlast you if you don't abuse it. Repairs are straightforward—the bowl itself rarely fails, and parts are replaceable.

The catch is cost and bulk. A quality firepot forge runs £800–£1,500 new in the UK, though you'll find older versions on eBay and Facebook Marketplace for £300–£600. They're heavy (80–120 kg) and need solid bench mounting. You need a chimney or outdoor setup because coal smoke is not pleasant indoors. Hand bellows work but exhaust your arms within minutes. A motorized blower costs another £100–£300.

Sourcing coal is straightforward in the UK. Blacksmith-grade coal (low-ash variety) costs around £200–£400 per tonne delivered. One tonne lasts a part-time hobbyist a year or more. Coke, which is cleaner and hotter, is easier to find through local fuel merchants and costs about the same.

Brake-Drum Forges: Budget Alternative

A brake-drum forge is a welded steel frame holding a car brake drum on its side, with a pipe underneath for air intake. You pack coal into the drum, light it, and blow air in. It's crude. It's also £50–£150 to build yourself, or £200–£400 if you buy one ready-made.

They heat metal quickly because of the compact design. A small piece of steel reaches working temperature fast, which suits making small items like knives or tools. The footprint is tiny—a brake-drum forge occupies maybe 60 cm × 60 cm of space.

The serious disadvantages are heat control and fuel efficiency. You can't fine-tune temperature the way you can with a firepot. The coal bed is shallow, so you're constantly adding fuel. They consume more coal per pound of work because heat escapes from the open top. Brake drums also crack and fail over time—typically after 2–5 years of regular use. Replacement drums cost £40–£80, so it's not catastrophic, but you will be replacing it.

A motorized blower is almost essential because hand-blowing a brake-drum forge is brutal. Hand bellows make it exhausting within minutes.

For beginners on a tight budget learning the basics of heat and hammer work, brake-drum forges are honest value. They're not a long-term setup, but they're enough to find out whether blacksmithing interests you before spending serious money.

Coal Versus Coke

New forgers often assume coal and coke are interchangeable. They're not quite. Coal contains ash and moisture, which means a dirtier, lower-heat fire. Coke is coal with the volatiles baked out—hotter, cleaner, no sparks. It's also easier to maintain a consistent heat.

For beginners, start with coal because it's cheaper and more readily available. Once you've got basic technique, coke becomes worth the extra cost. Many UK fuel merchants stock both, and online suppliers ship to most postcodes.

What You Actually Need

Beyond the forge itself, budget for a hand blower or motor blower, a bag of coal (£30–£50), a good anvil (second-hand cast iron anvils run £200–£400 on eBay), and basic tools (hammer, tongs, swage block). Total starter spend: £600–£800 for a firepot setup, or £300–£400 for brake-drum.

Ventilation matters. Even outdoors, position your forge so smoke drifts away from where you'll stand. Indoors is not practical unless you have a proper chimney system and serious extraction.

The Honest Takeaway

If you have space, budget, and want to progress into real blacksmithing, a firepot is the right buy. The precision and durability justify the cost. If you're testing whether blacksmithing appeals to you, or you work in tight spaces, start with a brake-drum forge and upgrade later.

Either way, you'll heat metal, shape it, and learn fast. The forge doesn't make the blacksmith—hammering does.