If you wish to install a flue building regulations apply. You should take into account factors such as ventilation and general safety. Installation should be carried out by a suitably competent person.
Building work may also be subject to more than one requirement of building regulations. In such cases the work will also have to comply with the other applicable requirements of building regulations.
General guidance on the performance expected of materials and building work in order to comply with the building regulations and practical examples and solutions on how to achieve compliance for some of the more common building situations can be found in the approved documents section.