Building Regulations for Stove Installation

As a HETAS Registered Woodburner Installer, HGS are bound by guidelines set by the BFCMA (British Flue & Chimney Manufacturers Association) when installing wood burning and multi fuel appliances in domestic properties. Being HETAS Registered gives our customers added reassurance that they will receive a professional install service that complies with the current safety legislation.

If you already have a chimney, it may need to be re-lined before a woodburner stove can be installed. If you don’t have a chimney, a chimney can be built if the property can accommodate one, but a stove can be fitted without one if adequate ventilation can be made available through a flue system. Whatever option you choose, Building Control Approval will be required.

The ideal location for a chimney is on the inside of the building so it can benefit from internal heat insulation of the home. Natural, straight chimneys perform better however bends can be formed if necessary but the angles and distance between the bends will need to comply with BFCMA guidelines. The minimum chimney height for wood burners and multi fuel stoves is 4.5m from the top of the stove to the top of the chimney however the exact height required will be dependent upon the positioning of the chimney because if it is close to trees or structures it could increase the pressure zones which will interfere with the updraught through the chimney. If you have a thatched roof, there are additional regulations that must be adhered to.

Flues can be made from many different materials and some stainless steel ones and all concrete flues are specifically designed to use with gas fired stoves only so shouldn’t be used with wood burning or multi fuel appliances whereas clay and pumice flues are suitable for all types of stove.

Important things to consider when installing a stove

Ensure flue diameter matches the outlet of the stove as well as it matching the output from the stove. There also needs to be an adequate air supply for the stove to operate safely and efficiently. An inadequate supply of combustion air can create problems and cause smoke and fumes to come back into the room which can be very dangerous. Building Regulations also require that a connecting pipe is easily accessible for regular inspection and sweeping to prevent blockage. If this isn’t possible through the stove, then a small access door must be built in the chimney.

Any room which has a woodburning or multi-fuel stove should have a carbon monoxide alarm fitted in the same room as the stove. This should comply with BS EN 50291-1:2010 and must be installed in accordance with the manufacturer’s instructions and current Building Regulations.

Once your stove is successfully installed it is mandatory for the installer to provide a Check List document that will show all elements of installation have been completed and the Notice Plate document which is a record of the installation, the appliance and the fuels that can be used with the chimney.

If you are considering installing a woodburner or multi fuel stove and would like some advice and a quote on installation by a HETAS registered engineer, please contact Peter on 07749 863650 or visit www.hgs-homeandgarden.co.uk

Download a PDF on details for Building Regulations for chimney and flue systems  

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