How much does a bioethanol fireplace cost to run per hour?

Typically 50p to £2 per hour. A 1-litre burner lasts roughly 2–4 hours and quality bioethanol fuel costs about £3.50–£4 per litre, so at a 0.5 L/hour burn rate the cost is around £1 per hour.

How long does 1 litre of bioethanol fuel last?

Approximately 2–4 hours depending on the burner size and flame setting. A regulator lets you lower the flame to extend burn time.

Is a bioethanol fireplace expensive to run?

For occasional ambience heating it is affordable — an evening of use costs around £2–£4. It is not designed to replace central heating.

Buying guide · Updated 2026

Bioethanol Fireplace Running Costs UK: The Real Cost Per Hour

One of the first questions people ask is "how much will it actually cost to run?" The short answer: a bioethanol fireplace typically costs 50p to £2 per hour, depending on flame size and the fuel you buy. Here is the full breakdown, with real UK numbers so you can budget confidently.

How much fuel does a bioethanol fireplace use?

Burn rate is measured in litres per hour. Most home bioethanol burners consume between 0.3 and 1.0 litres per hour at a mid-to-high flame setting. A standard 1-litre burner therefore lasts roughly 2 to 4 hours.

Models with a built-in flame regulator let you turn the flame down, which stretches each litre further. This is the single biggest lever on running cost — a lower flame can nearly double burn time.

Cost per hour — real UK example

Quality bioethanol fuel in the UK costs around £3.50 to £4.00 per litre (premium brands are often sold in multi-bottle packs that work out cheaper per litre). Putting the two together:

Burn rate	Fuel @ £3.80/L	Cost per hour
0.3 L/h (low flame)	£1.14	~50p–£1.10
0.5 L/h (medium)	£1.90	~£1.90
1.0 L/h (high)	£3.80	~£3.80

In practice most people run the fire for an evening at a comfortable medium flame — around £1–£2 per hour, or £3–£5 for a full cosy evening.

Shop fuel: our Biofuel 1L Neutral is the clean-burning fuel to pair with any fireplace — view it in the accessories & fuel collection.

How does that compare to other fires?

Electric fire: ~10–30p per hour (2000W heater at ~24p/kWh) — cheapest, but no real flame.
Gas fire: ~60p–£1.20 per hour — but requires a flue or balanced flue and annual servicing.
Wood burner: ~50p–£1.50 per hour for logs — but needs a chimney, installation and cleaning.

Bioethanol sits in the middle: it is not the cheapest to run, but it is the only option that gives you a real flame with zero chimney, zero installation and zero annual servicing.

Realistic annual budget

Most owners use their biofire for ambience rather than primary heating — say 2–3 hours a day in autumn/winter. That works out at roughly £60–£150 per year in fuel for an average user, or more if you run it daily at full flame. Compared to the cost of installing a gas fire or wood burner, the total cost of ownership is very competitive.

3 ways to keep running costs down

Use the regulator — a lower flame burns noticeably less fuel.
Buy fuel in multi-packs — price per litre drops meaningfully.
Use 95–96.6% purity bioethanol — higher purity burns cleaner and more efficiently, with less odour.

Summary

A bioethanol fireplace costs about £1–£2 per hour to run in the UK. It will never replace central heating — it is designed for real-flame atmosphere with no chimney — but as a low-commitment way to enjoy a real fire at home, it is genuinely affordable.

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