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What is a Defra Approved Wood Burning Stove?

If you reside in a region where smoke is controlled, it's important to purchase a DEFRA exempt stove. A DEFRA exempt (or SE) stove permits you to burn wood legally in a smoke-controlled zone.

They are independently tested to provide the lowest emissions possible. Stoves that are certified as such typically carry the logo 'Defra-approved' in their name or specification.

Approved for Smoke Controlled Areas

Many people think that living in a Smoke Control Area means you can't use a wood-burning stove and this is not true. In reality, a majority of cities and towns are within a smoke-free zone, but that doesn't mean you can't have an oven, it simply implies that you have to make use of an exempt appliance and only burn fuels that are approved (usually briquettes) in your stove. The Defra-approved stove is a wood-burning stove that has been thoroughly tested to make sure that it meets certain standards in regards to the emissions it emits when burning authorised fuels. It is therefore able to be legally used in a smoke control area.

The DEFRA approved multi-fuel stoves logo is widely used by the industry and a large number of the stoves approved bear SE after their name which means they are smoke-free. To be able to be SE approved, it must satisfy strict criteria in regards to emissions and emissions, so you can be sure that when you purchase an exempt defra stove, you are getting the cleanest and most efficient wood stove on the market.

When you look for a wood-burning stove that is Defra exempt or has SE after its name, you'll often discover that the manufacturer has done things like ensuring that there enough air inlets on the front of the stove to allow full combustion of the fuel and that the chimney outlet size is sufficient to stop the build-up of soot. This is important as it helps to ensure that the smoke from the stove does not escape through the chimney and enter your home.

A Defra-approved stove allows you to install a 5" liner that is in compliance with UK building regulations. Non-Defra-approved stoves require an 6" liner.

Stovax is proud to offer a variety of fireplaces and stoves that are Defra-approved and Ecodesign Ready stoves which have been designed with future air quality standards at heart. In fact, many of our DEFRA recommended stoves approved stoves are also capable of being used with a smoke control kit for properties 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 inside a smoke-control zone is one that is a DEFRA approved wood burner, also referred to by the name DEFRA exempt. This stove must be used for solid fuel, DEFRA stoves Ratings which means wood, preferably well-seasoned. They are tested by the government to ensure that they don't produce excessive levels of smoke and are able to be used with 'authorized fuels (coal only).

The difference between the differences between a Defra Stoves Ratings approved stove and one that isn't can be very minimal. With a kit provided by the manufacturer, a lot of modern stoves can be easily made DEFRA compliant in minutes. This is because Defra approved appliances must pass extremely rigorous tests and are restricted in the amount of smoke they are able to produce.

To ensure that these restrictions are maintained during testing the stove needs to be capable of limiting its combustion air supply so that it does not deplete itself of oxygen, which can cause it to smolder. This is accomplished through a mechanism within the stove which opens an air pocket into the firebox during combustion, which is usually hidden within the stove and underneath the base of the fire box.

Stove World UK offers a vast selection of DEFRA approved stoves from the best brands in the country such as Stovax, Arada and Burley. They are available in a huge variety of styles and colors. You can also select from an impressive variety of Ecodesign ready stoves that have been designed to meet the future standards for air quality.

Smoke Control Areas are usually located in cities and towns with large populations and you can look up your local authority's website to determine if the area you live in is classed as such. If you live in a smoke controlled area it is very important to purchase an DEFRA approved stove for your home to avoid being fined by your local authority. This is because if you burn unauthorised' fuel in a non-approved stove, like coal or other solid fuels that could result in fines of up to PS300.

Approved for Wood

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

The older wood stoves produce large quantities of particulate matter, which can lead to or worsen asthma attacks, respiratory issues and heart issues. It is therefore essential to buy a wood stove that is compliant with the strict emission standards as set by the Environmental Protection Agency. Look for the "EPA 2020 Certified Label" which indicates that the wood stove meets the emission limits currently in place.

If you purchase an appliance that isn't EPA certified and you reside in a zone of smoke control you must be able to get it certified before you can use it. It can be expensive and time-consuming, however the law requires it. In addition homeowners who sell a house that has a wood stove that is not certified may be liable for clean air tax credits and fines.

With a kit or an adjustment supplied by the installer, a majority of modern stoves can be made Defra-approved. The main difference between DEFRA approved stoves and ones that aren't is the combustion air control system, which regulates the quantity of air that goes through the stove when it's in normal operation. Modifications are typically made to the base or underside of the firebox.

There are some manufacturers who produce two versions of a wood stove. One is Defra-approved, and the other that isn't. This is because the process of putting a stove through the rigorous Defra tests is expensive, so to help recoup some of the costs, they will sell the non-approved version at a cheaper price. 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 to, leading to excessive smoke emissions. This caused health problems. To combat this, Defra established Smoke Control Areas. This means that residential homes can not emit smoke in the event that their wood burners or multifuel stoves were Defra-approved to allow burning only approved materials such as manufactured smokeless coke and anthracite.

Defra approved stoves, also known as SE (Smoke Exempt) Stoves, have undergone stringent testing to prove that they can burn cleanly authorized fuels within a Smoke Control Area. The latest combustion technology delivers an indefinite amount of secondary air into the firebox. This lets the stove meet Defra standards for Smoke Control Areas even when it is used with approved fuels like anthracite as well as manufactured smokeless coals.

If you're looking to purchase a brand new wood-burning stove and are in an area that has a Smoke Control Area then we would recommend that you take a look at the wide selection of Defra approved stoves that can be found at The Stove Yard. We offer a wide selection of contemporary, traditional and inset Defra approved stoves from industry-leading manufacturers like Stovax, Arada, Burley and AGA.

The good thing is that there's not much of a difference in appearance between the appearance of a Defra approved woodburning stove and one which isn't. However, the Defra approved models do have various features that are designed to ensure they burn more efficiently. They will usually have a slightly different grate and air vents, and on gas versions they may have a larger flue outlet.

A Defra Approved Stove will almost always have five" flue outlet (125mm). This means that you can use a smaller stainless steel twin wall flexible liner that is cheaper than a 6" (150mm). This is a great option when you install wood-burning stoves that are Defra-approved in an older or non-standard chimney stack. It will save you money the cost of relining a chimney with a larger diameter liner.