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What is a Defra Approved Wood Burning Stove?

If you live in a zone of smoke control it is essential to purchase a DEFRA exempt stove. A DEFRA exempt (or SE) stove allows you to legally burn wood in a smoke-controlled area.

The stoves are tested independently to ensure the lowest emissions possible. Stoves with this certification typically carry the logo 'Defra-approved' in their name or specification.

Approved for Smoke Controlled Areas

Many people believe that living in a Smoke Control Area means you can't have a wood burning stove however this isn't true. In reality, most cities and large towns are in a smoke-free zone, however this doesn't mean that you can't have stoves, it just means that you must use an exempt appliance and only use authorised fuels (usually Briquettes) in your stove. The Defra approved stove is a kind of wood burning stove that has been tested to ensure that it meets certain requirements in regards to the emissions it releases when burning authorised fuels and consequently, it is able to be legally used in a Smoke Control Area.

The Defra Logo is widely used in the industry, and many stoves have the SE after their names to signify that they are smoke-free. In order for a stove to be SE approved, it must satisfy strict criteria with regards to emissions So you can be certain that if you select a stove that is DEFRA Approved Low Emission Stoves exempt, you will get the most clean and most efficient wood stove on the market.

If you are looking for a wood-burning stove which is Defra-exempt or that has SE after its title You will see that the manufacturer might have taken measures to make sure that there are enough air intakes on the front of the stove to allow full combustion of fuel and that the size of the chimney outlet is adequate to prevent the accumulation of soot. This is crucial as it helps to ensure that the smoke from the stove doesn't escape through the chimney and enter your home.

A stove that is Defra-approved permits you to use a 5" liner that is compliant with UK building regulations. Non-Defra-approved stoves require an 6" liner.

At Stovax we are proud to offer a selection of Defra approved stoves and fires, as well as our Ecodesign Ready stoves that have been designed with the future of air quality standards in mind. Many of our stoves that are Defra-approved can also be used in conjunction with a smoke-control system for properties that are located in Smoke Control Zones. They can be used to burn a variety of in smokeless fuels, including fire logs.

Approved for Smokeless Fuels

The only stove that can be used within a smoke-control zone is one that is a DEFRA approved wood burner, also known as DEFRA exempt. This stove must be used with a solid fuel, that is wood, preferably well-seasoned. They are tested by the government to ensure that they don't generate excessive levels of smoke. They can be used with approved fuels (coal only).

The difference between the differences between a DEFRA approved stove and one that is not can be very minimal. Modern stoves can be converted to DEFRA conforming with the kit supplied by the manufacturer and then fitted in a matter of minutes. This is because a Defra approved stove has to undergo very rigorous tests and has to be limited to the amount of smoke it can produce.

To ensure that the restrictions are kept the stove must be able to limit its combustion air to ensure that it doesn't rob itself of oxygen and cause it smoulder. This is accomplished by a mechanism inside the stove that allows a small amount of air into the firebox during the process of combustion, DEFRA Approved Low Emission Stoves which is typically hidden within the stove and underneath the base of the firebox.

Stove World UK offers a large selection of DEFRA approved stoves from the best brands in the country, including Stovax, Arada and Burley. These are available in a vast range of styles and finishes. You can also pick from an impressive selection of Ecodesign ready stoves that are designed to meet the future standards for air quality.

Smoke Control Zones are mainly in towns and cities with large populations. You can go to the website of your local authority to find out whether you reside in one. If you reside in a smoke-free zone, it is essential to purchase a DEFRA approved stove for your property, to avoid being fined by your local authority. This is because if you burn 'unauthorised fuel on a non-approved stove, such as coal or other solid fuels and you are fined up to PS300.

Approved for wood

A DEFRA approved clean burning stoves approved stove, also called a smoke-free wood stove is an appliance which can be used to burn wood in smoke Control Area. The stove will be marked with the Defra approved symbol or 'SE' front of its name, which means it can only be used in smoke-controlled areas when you burn approved fuels. In this case, wood.

A lot of older wood stoves release lots of particles into the air that can trigger or contribute to respiratory problems asthma attacks, heart issues and premature death. This is why it's essential to buy a new wood stove that is compliant with the strict emission standards established by the Environmental Protection Agency (EPA). Look for an "EPA 2020 Certified" label, which means that the stove is in compliance with the emissions limits that are currently in place.

If you purchase a stove which is not EPA-certified and you reside in a smoke-free area, you'll need to renew the certification before you can use the stove. It's costly and time-consuming, but the law requires it. In addition, homeowners who sell a home with a wood stove that isn't certified may be liable for clean air tax credits as well as fines.

Modern stoves can be upgraded to be Defra approved with an adjustment kit or a kit that the installer provides. This is because the primary difference between the DEFRA approved stove and those that are not, is the combustion air management system which regulates the amount of air that passes through the stove during normal operation. The modifications are usually made on the underside of the firebox, or in the base.

Certain manufacturers make two different versions of a wood stove. One is Defra-approved, and the other not. This is because the process of running a stove through the stringent Defra tests is expensive in order to recover some of this expense they will sell the non-approved version at a lower price. The DEFRA approved version will have had the combustion air modification included in the testing procedure.

Approved Gas

Before the Clean Air Acts were brought in residential homes could burn any type of fuel they liked which led to large amounts of smoke emissions as well as health issues. To prevent this, Defra established Smoke Control Areas. This meant that residential homes could not emit smoke unless their wood burners and defra approved Low emission stoves multifuel stoves were Defra-approved for burning only authorised materials such as manufactured smokeless coke and anthracite.

Defra approved SE (Smoke-Exempt) Stoves have been subjected to rigorous tests to prove that they can burn authorised fuels cleanly in a Smoke Control Zone. The latest combustion technology delivers a constant minimum of secondary air into the firebox. This allows the stove to meet Defra regulations for Smoke Control Areas even when it is used with approved fuels like anthracite as well as manufactured smokeless coals.

If you're in the market for an all-new wood burning stove and are in Smoke Control Area then we suggest that you take a look at the range of Defra approved stoves that can be found here at The Stove Yard. We have a broad collection of traditional, contemporary and inset Defra approved stoves from the most reputable manufacturers like Stovax, Arada, Burley and AGA.

The good thing is that there's not much of a distinction in appearance between the appearance of a Defra approved woodburning stove and one which isn't. However, the Defra approved models have several features that are designed to ensure that they burn more efficiently. They generally have a different grate and air vents and on the gas versions they may also feature a different sized flue outlet.

A Defra Approved Stove will almost always have 5" flue outlet (125mm). This means you can use a smaller stainless steel twin wall flexible liner that is less expensive than a 6" (150mm). We've found this useful when a customer has an old or non-standard chimney stack which we are installing the Defra approved wood burning stove into and it saves the cost of relining the chimney with a bigger diameter liner.