Ventilation
Clearing the steam.
Every shower and bath creates steam. Without good ventilation it turns into condensation and, in time, mould. Building Regulations require extraction in bathrooms.
- Required
- Mechanical extraction
- Best placed
- Near the shower or bath
- Smart
- Humidity sensor
- Plus
- A window if you have one
The basics
An extractor fan removes moist air at the source; background ventilation from windows and trickle vents lets fresh air in.
How to choose
Extractor fans
The rules
Condensation
Windows and vents
In England, the ventilation rules are set out in Approved Document F of the Building Regulations, which sets minimum extraction for bathrooms.
In this section 4 pages
Extractor fans
Fans that remove steam and moisture.
5 topics inside →Ventilation and Building Regulations
Building Regulations set minimum extraction for bathrooms.
Condensation and mould
Why it happens, and how good ventilation and heating prevent it.
Windows and trickle vents
Background ventilation from windows, alongside a fan.
Planning ventilation?
Tell us about your room and what matters most, and we'll help you make the most of it.
Start your project briefIllustrations are concepts, not measured plans. Click any picture to enlarge it.