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Could Defra Exempt Wood Burner Be The Key For 2023's Challenges?
Choosing a Defra Exempt Wood Burner

Smoke Control Areas are the most common classification for UK towns and cities. If you live in a Smoke Control Area and would like to install an appliance, you'll need a Defra approved stove. You can recognize them by their approved logo from the Defra.

Defra exempt stoves are built to stop the fire from smouldering, which reduces the amount of smoke produced. They also burn fuel more efficiently.

What is an Defra Exempt Stove?

A Defra Exempt Stove is a wood-burning heating appliance for domestic use that has passed the tests established by the Department for Environment, Food and Rural Affairs. The Defra Exempt label is applied to stoves that have been tested independently and have met the strictest standards for emissions. Defra exempt stoves can be used in Smoke Control Areas.

It is not possible to burn wood without a DEFRA approved stove if you live in a place where smoke is controlled. If you install a non-DEFRA approved stove in a smoke control area you could be in violation of the Clean Air Act and could be charged.

From the outside, there's very little difference between an Defra approved stove and one that has not been given this status. There are a few ways stove manufacturers can do to ensure that their products are exempt from DEFRA. The most obvious distinction is that the burners on the DEFRA approved stove are designed not to starve the fire of oxygen because this could cause it to smolder and produce excessive amounts of smoke.

To prevent this manufacturers will alter the top vent of a Defra-approved stove. This will stop the possibility of shutting the vent completely, because it would cut off the air supply to the fire. The adjustment is typically located inside the top front of the stove, below the base of the stove or on the back of the stove.

Stoves with Defra exemptions are also able to be multifuel stoves and can be used to burn wood, as well as other fuels. This can be a great option for those who live in areas that are designated as Smoke Control Areas and do not want to limit themselves to using only authorised fuels. Some stoves that have Defra exemptions can be equipped with a 5" liner for wood burning (if the manufacturer doesn't insist on larger dimensions). This is good news for those who are planning on installing woodburning stoves in their homes but are worried about local regulations on smoke.

What are the benefits of a Defra approved stove?

Defra-approved stoves provide many advantages that include the ability to conform to local regulations as well as provide warm and cozy fire. They are typically more efficient than non-Defra stoves and reduce the amount carbon that is produced. This can result in substantial savings on your heating bill. Defra-approved stoves are also easier to use and have more simple controls than non-approved stoves.

When purchasing a wood-burning or multi-fuel stove, there are various factors to take into account, such as your heating requirements as well as your aesthetic preferences and long-term goals. It is crucial to take these elements into consideration when choosing a stove, and opting for a defra exempt stove is a good option for those living in areas that are smoke-free. They have been thoroughly tested and conform to strict environmental guidelines and can reduce the impact that your stove will have on the environment.

Apart from being environmentally friendly, Defra approved stoves are made to offer superior combustion and flame spread. This ensures that the fuel burns evenly and produces a pleasant, consistent flame. In addition, they tend to be more durable than non-Defra approved stoves, meaning that they will last longer and can stand up to higher temperatures.

The majority of Defra-approved stoves allow to use a 5 " liner for chimneys, which is perfect for homes located in areas that are smoke-free. It is crucial to keep in mind that if you decide to use your stove with damp wood or other fuels that are damp the stove will still emit nuisance fumes and could cause a charge from the local authorities.

To get Defra approval, stove makers must make modifications to their equipment to restrict the amount of air that can be removed during the combustion process. Typically, the top air control will be altered to prevent it from being closed all the way. If you shut off the air supply too tightly, it can cause the stove to smolder instead of burning properly. DEFRA approved stoves will lead to nuisance smoke.

What is the difference between a Defra approved stove and a non-Defra approved stove?

A defra-approved stove will allow burning wood legally within a Smoke Control Area. However, a nondefra-exempt stove isn't. Stoves that have been approved by Defra have passed the tests to prove that they are able to burn wood safely and effectively in smoke-controlled areas without producing excessive amounts of smoke. If you reside in an area which is smoke-free, you can use your new stove without fear of fines.

A stove that is Defra-approved is more efficient in terms of energy consumption than other types that produce more heat while emitting less harmful emissions in the air. This makes them a good option for homeowners trying to save money while caring about the environment.

Stoves which have been approved by Defra will carry the Defra Approved Logo, which has been adopted by stove manufacturers. You can also find out whether a stove has been Defra-exempt by examining the specifications or on the website of the manufacturer.


When you are choosing a Defra approved stove, it is essential to think about the style you want since there are a myriad of options available. Some of these are more traditional in design and look stunning in an old fireplace chamber or inglenook. Other stoves are more modern and would fit in a modern home.

Verify that the stove is Defra-exempt. It should appear on the DEFRA list of authorised appliances, or bear the DEFRA logo. Many manufacturers will claim that their stoves are Defra exempt but they haven't been tested. It is much easier to market a Clean Burn stove than to test it and incur the expense of becoming Defra-exempt.

A stove that has been Defra exempt will ensure that the wood that is used to power it is sourced sustainably that has been properly seasoned, dried and seasoned before being burned. This will decrease the amount of smoke produced, which is better for the environment. It also helps to keep chimneys clean for a longer time.

What is the difference between an exempt stove that is Defra-compliant and a non-Defra exempt stove?

You'll have to consider several factors when choosing the right stove for your home. These include the design as well as heat output and the type of fuel. You may be aware that a number of the wood-burning and multi fuel stoves that are available on our site are listed as DEFRA exempt or DEFRA approved. This jargon, for the average homeowner, may seem to be nothing more than a term used to sell products, however, it has significant implications for those who live in smoke-free areas.

To be in compliance with the laws that prohibit the sale of wood within Smoke Control Areas Defra exempted wood burners come with an internal mechanism that stops you from closing the air supply valve completely. This is because if you cut the flow of air to the fire too much the wood will begin to smolder and release excess smoke, which will be in violation of the law. To prevent this from happening you should ensure that the wood in your stove is kiln dried prior to using it on the stove.

You can also make use of the DEFRA exempt wood burner in a Smoke Control Area if you only burn the approved fuels that are listed on the DEFRA website. These include anthracite, semi-anthracite and gas as well as low volatile steam coal. However, if you decide to install a non-DEFRA certified stove in your home, and you burn wet wood or other fuels that aren't on the DEFRA list and you are found to be in violation, you could be penalized up to PS1000.

Even if you do not live in an area designated as a Smoke Control Area, an DEFRA exempt wood burner is a good choice as they are generally more eco-friendly and friendly to neighbours because they can be operated without creating nuisance smoke. They are also more efficient and will keep your chimney system and flue cleaner for longer. However, it must be noted that by 2022 all new stoves have to meet the more stringent Ecodesign regulations that set minimum efficiency OGV and NOX ceilings, and have emission limits that are significantly more than the ones currently in place for DEFRA exempt appliances.