Is An Extractor Fan A Legal Requirement. When building the extension - we had kitchen installed and a re-circulation extractor fan - we were told by the builders that we dont need ducting because this particular fan doesnt need outlet. Kitchens In any room with a cooktop new fans or rangehoods installed after 1 July 2019 must have a minimum diameter including ducting of 150mm or an exhaust capacity of at least 50 litres per second.
Also asked do you need a extractor fan in a kitchen. Another factor is the exterior grille which depends on your chosen fan and building type. However UK regulations DO require that for new builds there must be a way of removing steam and condensation from your kitchen whether this is a wall mounted extractor fan or a cooker hood.
Neil its really a scandal that Councils are allowed to set their own laws aka Conditions.
An extractor hood is not a requirement However it is a good way of eliminating smoke and steam when the hob is in use therefore reducing other problems in the future. Extractor fans installed within zone 1 must be fitted with 12v SELV motors with the SELV transformers and isolators fitted outside of zone 0 1 2. An extractor hood is not a requirement However it is a good way of eliminating smoke and steam when the hob is in use therefore reducing other problems in the future. In new homes extract ventilation needs to be available in areas of increased humidity or pollution such as over an oven see the document here.
