Extractor fan installation for bathrooms and kitchens
Extractor fans installed and upgraded across South Wales: correct zone rating, ducting that actually vents outside, timers, humidistats and certification.
Most damp complaints we get called to are ventilation problems wearing an electrical costume. A fan that runs but vents into a loft, or a fan too small for the room volume, will not clear steam — and the black mould in the corner keeps coming back regardless of how often it is painted over.
We fit fans rated for the zone they sit in, ducted to outside air, with the right control: timer, humidistat, or both.
- IP-rated fan appropriate to the bathroom zone
- Ducting terminated at an external vent, not the loft
- Timer or humidistat control to suit how the room is used
- Circuit tested and certified on completion
Extract rate versus room size
Building regulations set a minimum extract rate for bathrooms and kitchens. A fan that meets it on paper still underperforms if the duct run is long, flexible and full of bends — every bend costs airflow.
We size the fan against the real duct route, not the ideal one on a datasheet.
Where the fan can go
Bathroom zones dictate the IP rating and whether the fan can sit above a bath or shower at all. SELV fans with a remote transformer are the usual answer for in-shower positions.
Control options
A humidistat runs the fan when the air is actually wet, which suits family bathrooms where someone always forgets the switch. A simple overrun timer is fine for a downstairs WC. Continuous low-rate units suit properties with a persistent condensation problem.
Common questions
Can a fan vent into the loft?
No. It must terminate at outside air — venting into a roof space moves the moisture problem rather than solving it.
Do I need a fan if there's a window?
For new work, building regulations set ventilation requirements regardless of an openable window in most cases.
Will a bigger fan be noisier?
Not necessarily. A correctly sized fan on a short, straight duct is usually quieter than a small fan struggling against a long one.
Get a fixed price
Recurring mould in one room? Send a photo of the fan and the vent outside — often the fix is the duct, not the fan.