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Fire Extinguisher Prices

CE Marked
As Standard
5 Year
Warranty
MED Approved
Extinguishers

Start with Our Best-Value Extinguishers – From Water to CO₂

Looking for the best fire extinguisher price in the UK?

Whether you need protection for your home, vehicle, office, or warehouse, this page breaks down the most affordable and compliant fire extinguishers across all major types—water, CO2, foam, dry powder, and wet chemical.

Fire extinguisher prices vary depending on the size, fire class rating, and usage environment, so we’ve listed entry-level models to help you get started.

All extinguishers listed meet UK safety standards and are suitable for common fire risks. Browse our top picks below or click through to view the full range

£27.95

6 litre water fire extinguisher

WATER

CommanderEDGE 6L Water Fire Extinguisher

£32.95

Foam Fire Extinguisher

FOAM

CommanderEDGE 6L AFF Foam Fire Extinguisher

£34.95

6kg powder fire extinguisher

DRY POWDER

CommanderEDGE 6kg Dry Powder Fire Extinguisher

£33.95

2kg CO2 fire extinguisher

CO2

CommanderEDGE 2kg CO2 Fire Extinguisher

£53.95

Budget 3 litre wet chemical fire extinguisher

WET CHEMICAL

Commander 3L Wet Chemical Fire Extinguisher

£43.95

2 litre firexo extinguisher

FIREXO

Firexo 2L Fire Extinguisher

£38.95

Budget 6 litre wet chemical fire extinguisher

SPECIALIST

CommanderEDGE 3L MultiCHEM Fire Extinguisher

Fire Extinguisher Buyers Guide

When selecting the right fire extinguisher, it’s crucial to understand the different types, their ratings, and what specific fire risks they address. This guide covers the most common types of fire extinguishers available, helping you make an informed decision for your needs, whether at home, in the office, or in industrial settings.

Fire Extinguisher Types & Common Use Cases

TypeCommon SizesFire Classes CoveredBest ForTypical Applications
Water6L, 9LClass APaper, wood, fabricsOffices, schools, retail stores
Foam (AFFF)6L, 9LClass A & BOffices, homes, flammable liquidsReception areas, warehouses, fuel storage
CO₂2kg, 5kgElectrical & Class BIT rooms, electrical panelsServer rooms, 3-phase distribution boards
Dry Powder1kg – 9kg (6kg standard)Class A, B, C & ElectricalVehicles, workshops, general useGarages, plant rooms, construction sites — must be risk-assessed for any indoor use
Wet Chemical3L, 6LClass F (also A)Kitchens, deep fat fryersCommercial kitchens, restaurants
Firexo500ml – 9L+All Fire Classes (A–F)Homes, vehicles, businessesDomestic use, caravans, multipurpose use

Frequently Asked Questions (FAQs)

What is the price of a 5kg fire extinguisher?

A 5kg fire extinguisher typically refers to a CO₂ model, which is used to tackle electrical fires and flammable liquids (Class B and E). While prices vary by brand and supplier, CO₂ extinguishers tend to be more expensive due to the pressurised gas and robust cylinder construction.
A 5kg CO₂ extinguisher is commonly recommended for covering three-phase electrical distribution boards in commercial and industrial environments, where higher electrical loads present increased fire risk.

Which fire extinguisher is best for a home?

For general home use, a Foam (AFFF) extinguisher is a good all-round choice, covering solid combustibles and flammable liquids. However, Firexo extinguishers are becoming increasingly popular in households because they cover all common fire classes — including electrical and kitchen fires — in one unit, removing the guesswork.

What size is a 6kg fire extinguisher?

A 6kg fire extinguisher is typically a Dry Powder model, which is commonly used for Class A, B, C, and Electrical fires. The full weight of a 6kg Dry Powder extinguisher is around 9–10kg. This size offers a high fire rating (e.g., 43A 233B C for our CommanderEDGE units) and is ideal for general-purpose and industrial use. However, Dry Powder extinguishers must be risk-assessed for any indoor use, as the powder can cause contamination or respiratory issues. They are not recommended for use in confined indoor spaces due to the risk of suffocation and reduced visibility during discharge.

Is it cheaper to recharge a fire extinguisher or buy a new one?

For smaller or budget extinguishers, it’s often cheaper and more practical to replace them once discharged, especially if servicing costs and downtime are considered. However, refilling is more cost-effective for larger, commercial-grade extinguishers — particularly those installed in businesses where annual servicing is already scheduled.

Can I use any extinguisher on an electrical fire?

No—only CO₂, Dry Powder, and Firexo extinguishers are specifically designed and rated for electrical fires.
Some Water Spray or Water Additive extinguishers are tested to a 35kV dielectric rating, meaning they’re safe if accidentally sprayed onto live electrical equipment from a distance. However, they are not intended for use as a primary method of tackling electrical fires, and we do not recommend them for that purpose.

Do I need a fire extinguisher at home in the UK?

It’s not legally required, but it’s strongly recommended—especially in kitchens, garages, or homes with open flames or electrical appliances.

Are Firexo extinguishers compliant with UK regulations?

Yes—Firexo units are CE-marked and suitable for domestic and commercial use. As with any extinguisher, ensure it carries the right certification and fire rating for your environment.

How long do fire extinguishers last?

Most fire extinguishers last 5–10 years and should be serviced annually in commercial settings. Always check the manufacturer’s recommendations and expiry date.

Are 6kg fire extinguishers always Dry Powder?

Yes, 6kg fire extinguishers are almost always Dry Powder units, offering a broad range of fire ratings (Class A, B, C, and Electrical). For example, our CommanderEDGE 6kg Dry Powder extinguishers have ratings of 43A 233B C, making them suitable for general-purpose use in vehicles, workshops, and industrial environments.
However, Dry Powder extinguishers must be risk-assessed for any indoor use, as the powder can cause respiratory issues and visibility problems in confined or enclosed spaces. They are generally not recommended for indoor use unless there is a clear, risk-assessed need, and adequate ventilation or protective measures are in place.

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Michael Robert

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💡 Specifying the Right Extinguishers to Save Money

Choosing the right fire extinguishers for your premises isn’t just about safety — it’s also a smart way to save money. By matching extinguisher types and sizes to your actual fire risks, you can avoid overspending and unnecessary duplication.

✅ Use Multi-Class Extinguishers Where Possible

Opt for extinguishers that cover more than one fire class:

  • Foam (AFFF) extinguishers are a cost-effective choice for many businesses, as they cover both Class A (solids like wood and paper) and Class B (flammable liquids) — removing the need to purchase separate extinguishers.
  • Dry Powder units are another versatile option, suitable for Class A, B, C, and electrical fires, although they’re not ideal for indoor use due to residue.

📏 Avoid Oversized Extinguishers

Bigger isn’t always better. For example:
A 3L Wet Chemical extinguisher with a 75F rating is suitable for deep fat fryers with up to 75 litres of oil — perfect for small kitchens. There’s no need to over-specify with a larger unit if the risk doesn’t require it.

🔄 Consider All-Risk Extinguishers Like Firexo

For compact spaces or mixed fire risks (e.g., in food trucks, home kitchens, or workshops), using a single all-risk extinguisher like Firexo can be more economical than buying multiple units for each class:

  • One unit can cover Class A, B, C, D, Electrical, and F.
  • Saves space, installation time, and long-term servicing costs.

📋 Start with a Proper Risk Assessment

A fire risk assessment helps identify exactly which extinguishers are required — and equally important, which ones aren’t. Avoiding unnecessary equipment is one of the most effective ways to control fire safety costs.

Tip: Not sure where to start? Speak to your fire safety provider or responsible person for advice tailored to your premises.

🔩 Mounting: Keep It Simple

Want to keep installation costs down?

  • Every extinguisher we supply includes a wall hook at no extra charge.
  • Simply screw it into a solid wall, timber surface, or partition — no stand or cabinet needed.
  • This is the cheapest and most space-efficient way to install extinguishers.

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