- Postcode districts
- DN1, DN2, DN5
- Nearby
- Doncaster, Adwick le Street and Conisbrough
- Guide price
- £230–£550
- Typical time on site
- half a day
- Water
- Moderately hard across most of South Yorkshire
- Survey
- Free, at your home
What does a bathroom extractor fan cost in Bentley?
Our guide price for a bathroom extractor fan in Bentley is £230–£550 including VAT. Labour costs in Yorkshire and the Humber put local prices at about 7% below the UK guide figure. The figure depends on the size of the room, whether anything moves, and the products you pick.
Extractor fan
- Fan with timer or humidistat
Inline fan
- Ducting to a roof or soffit vent
Continuous extract
- Good for windowless rooms
Guide prices for Bentley including VAT. Your itemised written quote after the free survey is the price that counts.
Working in Bentley
We work right across Bentley — DN1, DN2 and DN5 — and in neighbouring Doncaster and Adwick le Street.
In Bentley, as anywhere, the age of the house decides a lot: pipe sizes, floor construction and where the soil stack runs. Fans fitted in Bentley bathrooms are wired by a qualified electrician, with RCD protection and an isolator outside the room. In Bentley flats, a new vent through an outside wall may need freeholder consent, so we raise it at the survey.
Most of South Yorkshire has moderately hard water. Scale is a minor issue next to condensation, which is what a properly sized extractor fan is for. Hardness varies street by street, so check the figure for your postcode with your water supplier.
What the job includes
- A backdraught shutter and external grille, so cold air does not blow back in
- Making good around the fan and checking that it extracts properly at the grille
- Core-drilling through the wall, or ducting through the loft to a roof or soffit vent
- Run-on timer, humidistat or light-linked switching set up to suit how the room is used
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.
Axial, centrifugal or inline
Axial fans suit short, straight runs; centrifugal fans cope better with longer ducts; inline fans sit in the loft and are the quietest in the room.
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.
