Bathroom Extractor Fan Installation Regulations Uk

While most bathroom fans have a 100mm spigot the diameter of the air outlet on the back kitchen fans tend to have a 150mm diameter spigot.

Bathroom extractor fan installation regulations uk. A uk bathroom must be ventilated by either a window or an extractor fan if your bathroom has a toilet only you are fine to use a window alone as your source of ventilation in new build bathrooms with a bath and shower mechanical ventilation is required in the form of an extractor fan. Trickle vents in the windows. Whether you have a large bathroom or a small one use the right size extractor fan for your bathroom based on the local building code. Now we all know that electricity and water don t mix thus the need for the zones.

Extractor fans are located in the bathroom ensuite kitchen and utility room. As far as the installation regulations are concerned it is prohibited to install the bathroom extractor fan in this zone. The opening should have a typical area of at least 1 20th of the floor area of the room served unless it is a bathroom which can be any openable size. According to the requirements for electrical installations iee wiring regulations 18th edition it is necessary to fit ventilation products that meet a minimum of ipx4 in zones 1 and 2 of a bathroom.

The general rules for ventilating a room are. The most common approach to meeting the building regulations approved document f is intermittent extract fans with background vents i e. Modern kitchen ventilation is achieved using a cooker hood however on occasion extra ventilation is required. The bathroom zones for extractor fans uk electrical regulations divide the bathroom into 4 zones.

Building regulations state that bathrooms must be ventilated via a window or extractor fan you may want to use both. Building regulations stipulate that you need a fan with a high extract rate in kitchens. Zone 1 this is the other zone in the bathroom which is the area covering the same area as zone zero except it extends to 2 25m above the level of the floor. These zones are determined by their proximity to water humidity and condensation and the likelihood of the electrical items installed in those areas getting wet.

You must use the appropriate size fan. Iee regulations for bathrooms bathrooms are defined as areas of increased electrical hazard. Purge this is achieved by opening the window.