- Postcode districts
- BA1, BA2
- Nearby
- Keynsham, Trowbridge and Kingswood
- Guide price
- £255–£600
- Typical time on site
- half a day
- Water
- Hard across most of Somerset
- Survey
- Free, at your home
What does a bathroom extractor fan cost in Bath?
Our guide price for a bathroom extractor fan in Bath is £255–£600 including VAT. The figure depends on the size of the room, whether anything moves, and the products you pick.
Extractor fan
- Wired to regulations
Inline fan
- Quiet fan in the loft void
Continuous extract
- Boost on humidity
Guide prices for Bath including VAT. Your itemised written quote after the free survey is the price that counts.
Working in Bath
In Bath we cover BA1 and BA2; we also cover Keynsham, 6.4 miles away, and Trowbridge.
Bath is a big place with every kind of home, from terraces to flats to new builds, so we never price from a photo alone. If your Bath bathroom has black mould on the ceiling or silicone, the fan and its duct are the first things we check. In Bath flats, a new vent through an outside wall may need freeholder consent, so we raise it at the survey.
Supplies across most of Somerset are hard. Steam carries that scale onto mirrors and glass, so a fan that clears the room quickly helps on both counts. Hardness varies street by street, so check the figure for your postcode with your water supplier.
What the job includes
- Rigid or semi-rigid ducting kept short and straight, and insulated where it crosses a cold loft
- Core-drilling through the wall, or ducting through the loft to a roof or soffit vent
- A fan chosen to meet the bathroom extract rate: 15 l/s intermittent or 8 l/s continuous
- A backdraught shutter and external grille, so cold air does not blow back in
Decisions to make first
Timer or humidistat
A timer keeps the fan running after the light goes off. A humidistat starts it whenever moisture rises, which suits rooms where people forget.
Noise
Compare the stated noise level in decibels. Inline fans and low-speed continuous fans are much quieter in the room than budget axial fans.
Rules that apply in England
In England, Approved Document F sets bathroom extract at 15 l/s for an intermittent fan or 8 l/s for continuous extract. Wiring a new fan alters a circuit in a room with a bath or shower, so it is notifiable under Part P.
