Best Welding Machine Under £100
Finding a reliable welding machine on a tight budget is tough. We have analysed owner reviews, verified specs, and compared brand reliability to find the best welding machine under £100 for DIY and light repair work.
Quick answer
The Sealey 100A MIG Welder is the best overall under £100 for its gas/gasless capability and solid build. For pure value, the Clarke 90EN Turbo is a close runner-up with excellent spares support. Avoid cheap no-name inverters.
Why trust ToolBuyerHub
- Tested on specs (power, duty cycle, wire feed)
- Battery & ecosystem compared
- Aggregated owner reviews
- Build quality & warranty checked
- Brand reliability
- No fake hands-on claims
Research updated June 2026.
Sealey 100A MIG Welder
Gas/gasless MIG with reliable wire feed and good spares availability.
| Product | Best For | Key Spec | Rating | Price |
|---|---|---|---|---|
| Sealey 100A MIG | Overall Value | 100A / Gas+Gasless | 4.6/5 | Check |
| Clarke 90EN Turbo | Build Quality | 90A / Gasless | 4.4/5 | Check |
| Draper 100A Inverter | Portability | 100A / MMA | 4.2/5 | Check |
| Wagner 125A MIG | Power Output | 125A / Gasless | 4.0/5 | Check |
| Stanley 90A MIG | Beginner Ease | 90A / Gasless | 3.9/5 | Check |
Sealey 100A MIG Welder
Best OverallPros
- Gas and gasless capability
- Good spares availability
- Solid wire feed mechanism
Cons
- Duty cycle is limited
- No carrying handle
Sealey is a trusted UK brand, and this 100A MIG welder is their entry-level workhorse. It supports both gas and gasless welding, giving you flexibility for different materials and environments. Owner reviews highlight the consistent wire feed and the fact that replacement parts like tips and liners are easy to find.
At this price point, the duty cycle of 15% at maximum output is typical. It is best suited for thin sheet metal, car body repairs, and light fabrication. The lack of a handle makes it slightly awkward to move, but the build quality is reassuring for a sub-£100 machine.
Clarke 90EN Turbo
Best Build QualityPros
- Very robust chassis
- Turbo fan keeps it cool
- Excellent spares network
Cons
- Gasless only
- Heavier than rivals
The Clarke 90EN Turbo is a classic budget welder that has been on the market for years. It is a gasless MIG machine, meaning it uses flux-cored wire. The build quality is exceptional for the price, with a metal casing and a powerful cooling fan that allows for extended use.
Owner reviews often mention that this welder is "bombproof" and ideal for repairing gates, trailers, and thicker steel. The main downside is the weight and the lack of gas capability. However, for pure durability and long-term value, it is hard to beat.
Draper 100A Inverter Welder
Best Portable MMAPros
- Very lightweight
- Digital display
- Good duty cycle
Cons
- Not for thin sheet metal
- Requires more skill
Draper's 100A inverter is a stick (MMA) welder, which makes it a different tool from the MIG machines above. It is incredibly portable at just 2.5 kg, making it ideal for taking to remote jobs. The inverter technology provides a smooth DC arc, which is better than old AC transformers.
This machine is best for welding thicker steel, such as gates, fences, and agricultural equipment. It has a digital ammeter for precise control. The learning curve is steeper than MIG, but the lower cost of rods and the high duty cycle make it a strong budget option for experienced DIYers.
Wagner 125A MIG Welder
Best Power OutputPros
- Higher max amperage
- Synergic control setting
- Good value for power
Cons
- Wire feed can be inconsistent
- Plastic torch feels cheap
The Wagner 125A offers the highest power output in this roundup, claiming 125A of welding current. This allows it to weld slightly thicker materials than the 90A or 100A competitors. It features a synergic control which simplifies setting the wire speed and voltage.
Owner reviews are mixed, with many praising the power but noting that the wire feed mechanism is not as smooth as the Sealey or Clarke. The torch and liner are the first parts to wear. For occasional use on medium-thickness steel, it offers the best penetration for the money.
Stanley 90A MIG Welder
Best for BeginnersPros
- Simple controls
- Includes starter kit
- Brand recognition
Cons
- Lower build quality
- Limited to thin metal
Stanley's entry-level welder is designed for the absolute beginner. It is a gasless MIG machine with very simple controls: just a power setting and wire speed dial. It comes with a starter kit including a mask, gloves, and wire, which adds value for someone buying their first welder.
The build quality is not as robust as the Clarke or Sealey, and the duty cycle is low. It is best used for thin metal repairs like car body panels or garden ornaments. Owner reviews suggest it works well out of the box but may not hold up to heavy regular use.
What to Check Before Buying a Welder Under £100
Budget welders have limitations. The most important spec is the duty cycle, which tells you how long you can weld before the machine needs to cool down. A 10% duty cycle at 90A means you can weld for 1 minute and then must rest for 9 minutes.
Check the input power. Most UK budget welders need a standard 13A plug, but some may trip breakers on older wiring. Also consider the type of welding: MIG is easier to learn, while MMA (stick) is better for dirty or rusty metal outdoors.
Mistakes to Avoid
Avoid buying a welder with a very low duty cycle if you plan to work on larger projects. Many sub-£100 machines are only suitable for tack welding or thin sheet metal. Do not assume a higher amperage rating means better quality; a 125A machine with poor wire feed will weld worse than a 90A machine with a smooth feed.
Do not forget the cost of consumables. Gasless wire, tips, and liners add up. Stick with brands like Sealey or Clarke because spare parts are widely available in the UK.
FAQs
Can I weld aluminium with a welder under £100?
No, aluminium requires MIG with pure argon gas or a TIG welder, which costs significantly more. Stick to steel.
Is gasless MIG welding any good?
Yes, for DIY use on clean steel. The flux-cored wire provides shielding, but it produces more spatter than gas welding.
Which is easier for a beginner, MIG or MMA?
MIG is easier because the wire feeds automatically. MMA requires more skill to maintain the arc length.
Do I need a special electrical socket for a 100A welder?
Most budget welders under £100 plug into a standard 13A household socket, but check the manual for fuse requirements.
How thick steel can a 90A welder join?
A 90A gasless MIG can weld up to 3mm steel in a single pass. For thicker metal, you need more amperage or multiple passes.
Can I use a welding mask from a different brand?
Yes, as long as it is an auto-darkening mask with a standard DIN rating. Most welders do not include a high-quality mask.
Are Sealey welders made in the UK?
Sealey is a UK brand, but their budget welders are manufactured overseas to their specifications.
What is the warranty on a Clarke welder?
Clarke typically offers a 1-year warranty on their budget welders, with parts available for longer.
Can I repair a car exhaust with a sub-£100 welder?
Yes, but only if the metal is clean and thin. A gasless MIG is suitable for temporary exhaust repairs.
Why does my welder keep tripping the breaker?
This is common with cheap inverters. Try a lower power setting or use a dedicated circuit with a 16A breaker.
Is the Draper 100A inverter good for outdoor use?
Yes, MMA welding is better outdoors because wind does not affect the flux coating on the rods.
Should I buy a used welder instead of a new budget one?
Only if it is a known brand like Clarke or Sealey. Avoid used no-name inverters as parts are impossible to find.
Our verdict
The Sealey 100A MIG Welder is the best overall welding machine under £100, offering gas/gasless flexibility and reliable performance. For those who need maximum portability and weld thicker steel, the Draper 100A Inverter is the best budget stick welder. Beginners should start with the Stanley 90A for its simple setup and included accessories.