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What is a Defra Approved Wood Burning Stove?

If you live in an area where smoke is controlled, it's essential to purchase a DEFRA-exempt stove. A DEFRA exempt (or SE) stove permits you to legally burn wood in a smoke-controlled space.

The stoves are independently tested to ensure the lowest possible emissions. Stoves with this status will often display the 'Defra-approved logo on 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, many cities and large towns are within an area that is smoke-free, however this doesn't mean that you cannot have a stove, it just means that you must use an exempt appliance and only burn fuels that are approved (usually Briquettes) in your stove. The stove that is Defra-approved is a wood-burning stove that has been thoroughly tested to ensure that it meets certain standards regarding the emissions it produces when burning authorised fuels. It can therefore be used legally in areas of smoke control.

The Defra logo is widely adopted in the industry, and a lot of the stoves approved have SE after their names which means they are smoke exempt. To be SE approved the stove must satisfy strict emission standards. This means that you can rest assured that you are purchasing the top wood stove available.

If you are searching for a wood-burning stove which is Defra-exempt or that has SE after its name You will see that the manufacturer has taken measures to ensure that there are sufficient air intakes on the front of the stove to ensure that there is a full combustion of the fuel, and that the size of the chimney outlet is adequate to prevent the accumulation of soot. This is important as it helps to ensure that the smoke from the stove doesn't escape the chimney and into your home.

Another benefit of a Defra approved stove is that it usually allows you to install it with a 5" chimney liner, which complies with UK building regulations. However, non-DEFRA stoves disadvantages approved stoves will need to be fitted with a larger 6" liner.

At Stovax we are pleased to offer a range of Defra approved stoves and fires, as well as our Ecodesign Ready stoves that have been created with the future standards of air quality in mind. In fact, a lot of our Defra approved stoves are also suitable for use with a smoke control kit for properties located in a Smoke Control Area and can therefore be used with a range of smokeless fuels that are authorised, such as 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, which is also known as DEFRA exempt. This stove should be used with solid fuel, that is wood, and preferably well-seasoned. The government tests these stoves to ensure that they don't release excessive smoke and that they can be used only with 'authorized' fuels.

The distinction between a stove that is DEFRA approved and one that is not approved is usually minimal. Modern stoves can be converted to DEFRA approved traditional stoves compliant with the kit supplied by the manufacturer and installed in just a few minutes. This is due to the fact that a Defra approved stove has to undergo rigorous testing and is limited to the amount of smoke it is able to produce.

To ensure that these restrictions are maintained during testing the stove needs to be capable of limiting the combustion air supply to ensure that it does not starve itself of oxygen, which can cause it to smoulder. This is done by a mechanism in the stove that allows an air pocket into the firebox during combustion, which is often hidden inside the stove and beneath the base of the firebox.

Stove World UK offers a wide range of DEFRA approved stoves from some of the top manufacturers in the country such as Stovax, Arada and Burley. They are available in a huge variety of styles and finishes. Select from a broad selection of Ecodesign stoves that are designed to meet future requirements for air quality.

Smoke Control Zones are mainly in large cities and towns. You can go to the website of your local authority to find out whether you reside in one. It is essential to buy a DEFRA-approved stove if you reside in a zone that is smoke-controlled. This will help you avoid being fined by the local authority. This is because if you use 'unauthorised fuel on a non-approved stove, such as coal or any other solid fuels that could result in fines of up to PS300.

Approved for wood

A DEFRA approved stove, also referred to as a smoke-free wood stove is an appliance which can be used to burn wood in smoke Control Area. The stove will bear the DEFRA stoves ratings approved logo or have an 'SE' in its name meaning it is able to be used in smoke controlled areas, when burning approved fuels which is in this case wood.

Many older wood stoves emit large amounts of particulate matter into the air which can trigger or contribute to respiratory problems asthma attacks, heart issues and premature death. This is why it is crucial to purchase new wood stoves that is compliant with the strict emission standards set by the Environmental Protection Agency (EPA). Look for the "EPA 2020 Certified Label" which means that the wood stove meets the emission limits currently in place.

If you purchase a stove that is not EPA certified and you live in a smoke control area, you will need to have it recertified before you can use it. It's costly and time-consuming, but the law requires it. Homeowners who sell a house with wood stove that is not certified may also be liable for tax credits or fines relating to pollution-free air.

With a kit, or an adjustment made by the installer, most modern stoves can be made Defra-approved. The primary difference between DEFRA approved stoves and those that aren't combustion air control system, which regulates the amount of air that flows through the stove operating normally. Modifications are usually made to the base or the underside of a stove's firebox.

Some manufacturers will produce two versions of their wood stove one that is Defra approved and the other that is not. The reason behind this is that the cost of putting a wood stove through the rigorous Defra testing is high. To help recoup these costs, they sell the non approved version for a lower cost. The DEFRA approved eco design stoves-approved model will have undergone the combustion air modification as part of the test procedure.

Approved for Gas

Prior to the Clean Air Acts, residential homes could burn any fuel they wanted to, leading to excessive smoke emissions. This led to health issues. To prevent this Defra created Smoke Control Areas which meant that residential homes couldn't produce any smoke from their multifuel stoves or wood burners unless the appliance was DEFRA guidelines stoves approved for burning only fuels that were authorised, such as manufactured smokeless coals and anthracite.

Defra approved SE (Smoke-Exempt) Stoves have been put through rigorous testing in order to prove they can efficiently burn fuels that are approved within a Smoke Control Area. The most modern combustion technology allows an unabated minimum of secondary air into the firebox. This lets the stove comply with 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 you live in a Smoke Control Area then we recommend to look into the range of Defra approved stoves which are available at The Stove Yard. We have a wide range of stoves that are Defra-approved, including traditional modern, contemporary and inset models that are made by top manufacturers such as Stovax. Arada, Burley, and AGA.

The good part is that there's any noticeable distinction in appearance between the appearance of a Defra approved woodburning stove and one that isn't, but the Defra approved models do come with various features that are designed to ensure they burn more efficiently. Generally they will have a different grate design and air vents and on the gas versions they might also have a different sized flue outlet.

Another benefit of the Defra Approved stove is that they'll almost always come with five" (125mm) flue outlet. This means that you can use a smaller stainless steel twin wall flexible chimney liner, which is less expensive than the standard 6" (150mm) liner. This is a great option when you install a defra stoves-approved wood burning stove into an old or non-standard chimney stack. It will save you money replacing a bigger diameter chimney liner.