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What is a Defra Approved Wood Burning Stove?

If you reside in a zone of smoke control then you must purchase a DEFRA exempt stove. A DEFRA exempt stove (or SE) allows you to legally burn wood in a smoke-controlled area.

They are independently tested to ensure the lowest emissions possible. Stoves with this status are usually branded with the 'DEFRA stoves advantages approved logo on their name or the specifications.

Approved for Smoke Controlled Areas

Many people believe that living in a smoke control zone means they cannot use a wood burning fireplace. This isn't the case. In reality, a majority of cities and towns are in an area that is smoke-free, but that doesn't mean you cannot have stoves, it just means that you must make use of an exempt appliance and only use authorised fuels (usually briquettes) in your stove. The Defra approved stove is a type of wood-burning stove that has been tested to ensure it meets certain requirements in relation to the emissions that it produces when burning authorised fuels and consequently, it is able to be used legally in smoke control Area.

The DEFRA stoves installation Logo is widely used in the industry, and many stoves feature the SE after their names to indicate they are smoke-free. To be SE approved, a stove must meet strict emission requirements. This means you can be confident you are purchasing the top wood stove that is available.

When you look for a stove that burns wood that is Defra exempt or is marked with SE after its name, you'll often find that the manufacturer has done things like ensuring that there are enough air inlets on the front of the stove to permit full combustion of the fuel, and that the chimney outlet size is sufficient to prevent the build-up of soot. This is crucial because it ensures that the smoke from the wood stove is not able to escape through the chimney into your home.

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

Stovax is proud to offer a variety of Defra-approved fireplaces and stoves as well as our Ecodesign Ready stoves which have been designed keeping future air quality standards at heart. In fact, a lot of our DEFRA guidelines stoves approved stoves are also capable of being used with smoke control kits for properties in a Smoke Control Area and so can be used with a range of authorised smokeless fuels including fire logs.

Approved for Smokeless Fuels

A DEFRA approved wood burning stove, also known as a DEFRA exempt stove, is the only type of stove you can install in a smoke-control area if you plan to use it to burn solid fuel (wood and preferably well-seasoned). They are tested by the government to ensure that they don't produce excessive levels of smoke. They are able to be used with 'authorized fuels (coal only).

The difference between the differences between a DEFRA approved stove and a non-approved one is usually very little. With a kit from the manufacturer, many modern stoves can be converted to DEFRA compliant in only a few minutes. This is because Defra approved appliances must pass extremely stringent tests and are limited in the amount of smoke they can produce.

To ensure that the restrictions are maintained the stove must be able to limit its combustion air so that it doesn't rob itself of oxygen which can cause it to smolder. This is accomplished by a mechanism in the stove that opens a small amount of air into the firebox during combustion which is usually hidden within the stove, and under the base of the fire box.

Stove World UK has a large selection of DEFRA approved stoves from some of the most reputable manufacturers in the world, including Stovax Arada and Burley. These are available in a vast variety of styles and finishes. You can also select from an impressive variety of Ecodesign ready stoves that have been specifically designed to meet future requirements for air quality.

Smoke Control Areas are primarily situated around cities and towns with large populations and you can check the official website of your local authority to determine if the area you live in is classified as one. If you reside in a smoke-free zone, it is essential to purchase an DEFRA approved stove for your home to avoid being fined by the local authority. If you burn coal or other solid fuels using a non approved stove, you could be fined up PS300.

Approved for wood

A DEFRA approved wood stove, also called a smoke-free stove, is a device that can be used in a Smoke Control Area when burning wood. The stove will be stamped with the Defra approved logo or have the word "SE" after its name, which means it can be used in smoke-controlled areas that burn approved fuels only which is in this case wood.

Many older wood stoves emit huge amounts of particulate matter. These can cause or worsen asthma attacks, respiratory issues and heart problems. This is why it is important to purchase an updated wood stove that meets the strict emission standards set by the Environmental Protection Agency (EPA). Look for a "EPA 2020 Certified" label, which indicates that the stove has met the emission limits currently in place.

If you purchase a stove that is not EPA certified and you live in a smoke control area it is necessary to get it recertified before you can use it. It can be expensive and time-consuming, however the law requires it. Additionally, homeowners who sell a home that has a wood stove that is not certified could be subject to clean air tax credits and fines.

The majority of modern stoves can be modified to be Defra approved using a kit or an adjustment provided by the installer. The major difference between DEFRA approved stoves and ones that aren't is the combustion air control system, which regulates the amount of air that passes through the stove when it's operating normally. Modifications are usually made to the base or underside of the firebox.

Certain manufacturers make two different versions of a wood stove, one that is Defra-approved while the other not. This is due to the process of placing a stove through rigorous Defra tests is expensive and to offset some of the cost, they will sell the non-approved model at a lower cost. The DEFRA approved version will have had the combustion air modification performed as part of the testing process.

Gas Approved

Prior to the Clean Air Acts, residential homes were able to burn any fuel they wanted, resulting in large amounts of smoke emissions. This led to health issues. To combat this Defra established Smoke Control Areas which meant that residential homes could not emit any smoke from their wood burners or multifuel stoves unless the appliance was Defra approved to burn only authorised fuels such as manufactured smokeless coals and anthracite.

Defra approved SE (Smoke-Exempt) Stoves have been subjected to rigorous testing to demonstrate that they can efficiently burn fuels that are approved within a Smoke Control Area. They achieve this by utilising the latest combustion technology which continually delivers a minimum amount of secondary air to the firebox so that even if the stove is used with authorised fuels such as anthracite or manufactured smokeless coals it will still be able to comply with Defra's rules for Smoke Control Areas.

The Stove Yard has a wide range of Defra-approved stoves that are ideal for those who reside in a smoke-free zone and require a brand new fireplace that burns wood. We have an extensive range of traditional, contemporary and inset Defra approved stoves from the most reputable manufacturers such as Stovax, Arada, Burley and AGA.

The good thing is that there is no distinction in appearance between a Defra-approved woodburning stove and a stove that is not approved. However the stoves that are approved by recommended DEFRA Stoves have a few features designed to help them burn more efficiently. They generally have a different grate and air vents, and on the gas models they may also feature a different sized flue outlet.

Another benefit of the DEFRA stoves for sale Approved stove is that they will almost always come with five" (125mm) flue outlet which means that you can use a narrower stainless steel twin wall flexible chimney liner which is cheaper than the standard 6" (150mm) liner. We've seen this helpful when customers have an old or non-standard chimney stack that we are installing the Defra approved wood burning stove in to and also saves the expense of re-lining the chimney stack with a bigger diameter liner.