Fire Pits

Contents

• Why Wood Choice Matters
• Best Types of Wood to Burn
• Seasoned vs Unseasoned Wood
• What Wood to Avoid
• Smoke and UK Regulations
• Practical Considerations
• Final Thoughts

The type of wood used in a fire pit affects how it burns, how much heat it produces, and how much smoke it creates. These differences are noticeable in smaller gardens and built-up areas, where smoke and airflow are limited.

Wood choice also affects maintenance. Some types leave more ash or residue, while others burn more cleanly. The goal is to use wood that burns consistently, produces steady heat, and does not create unnecessary smoke.

Why Wood Choice Matters

Different woods have different densities and moisture content. Dense hardwoods burn slower and produce more heat. Softer woods burn faster and tend to produce more smoke.

This becomes more important in smaller spaces. Smoke can linger, and inconsistent burning makes it harder to manage heat. For general guidance on how fire pits behave in compact spaces, see fire pit safety in small gardens.

Using the wrong type of wood does not usually cause immediate problems, but it affects how usable the fire pit is over time.

Best Types of Wood to Burn

Hardwoods are generally the best option for fire pits. They are denser, burn more evenly, and produce less smoke when properly dried.

Common hardwoods used in the UK include oak, ash, and beech. These woods produce a steady flame and a consistent level of heat. They also tend to burn longer, which reduces how often fuel needs to be added.

Birch is sometimes used as well. It burns more quickly than oak or ash, but it lights easily and can be useful for starting a fire.

Softwoods such as pine and spruce are less suitable for regular use. They burn faster and produce more smoke due to higher resin content. This does not make them unusable, but it changes the experience and increases the likelihood of smoke in enclosed areas.

Seasoned vs Unseasoned Wood

Seasoned wood is wood that has been dried to reduce its moisture content. This is one of the most important factors in how a fire burns.

Dry wood lights more easily, burns more efficiently, and produces less smoke. Unseasoned or green wood contains a higher level of moisture. When burned, this moisture turns to steam, which reduces heat output and increases smoke.

This difference is noticeable even with the same type of wood. A properly seasoned log will burn cleanly, while a damp log will struggle to stay lit and produce visible smoke. For more on heat output across different fuel types, see how much heat fire pits give off.

What Wood to Avoid

Certain types of wood should not be burned in a fire pit.

Treated or painted wood should be avoided. These materials can release harmful chemicals when burned. This includes construction timber, pallets that have been treated, and any wood with a painted or coated surface.

Wet or unseasoned wood should also be avoided. It produces excess smoke and burns inefficiently.

Household waste such as cardboard, paper with coatings, or composite materials should not be used as fuel. These can produce unpredictable smoke and residue.

Driftwood is sometimes used, but it is not suitable. It contains salt, which can release corrosive compounds when burned.

Smoke and UK Regulations

In the UK, smoke control areas place restrictions on certain types of fuel. While fire pits used occasionally in private gardens are generally not subject to the same rules as indoor stoves, smoke is still a practical concern.

Excess smoke affects comfort and can create issues with neighbours, especially in smaller gardens. Choosing dry hardwood reduces this significantly.

Fuel choice is also part of the broader decision between fire pit types. Gas and bioethanol produce little to no smoke, while wood produces the most. A comparison is covered in wood vs gas fire pits.

Practical Considerations

Storage matters as much as wood type. Even good-quality wood will perform poorly if it is stored in damp conditions. Wood should be kept off the ground and covered, with some airflow to prevent moisture buildup.

Log size also affects how the fire burns. Smaller logs ignite more easily, while larger logs burn longer. A mix of sizes is often used to control how the fire develops.

Using the right fire pit also makes a difference. Some designs are better suited to wood burning than others. Options designed for this purpose can be found in the wood burning fire pits collection.

Final Thoughts

Hardwood that has been properly seasoned is the most reliable option for a fire pit. It produces consistent heat, burns more cleanly, and is easier to manage.

Softwood, wet wood, and treated materials introduce more variables and reduce overall performance. Avoiding these improves both safety and usability.

Browse the full fire pits collection to find the right option for your garden.