- Postcode districts
- DL1, DL2, DL3
- Nearby
- Newton Aycliffe, Yarm and Stockton-on-Tees
- Guide price
- £225–£550
- Typical time on site
- half a day
- Water
- Moderately hard across most of County Durham
- Survey
- Free, at your home
What does a bathroom extractor fan cost in Darlington?
For Darlington, our guide range for a bathroom extractor fan is £225 to £550 including VAT. Prices in North East England run at about 10% below the national guide, mainly because of labour rates. 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 Darlington including VAT. Your itemised written quote after the free survey is the price that counts.
Working in Darlington
As well as Darlington itself (DL1, DL2 and DL3), we survey in Newton Aycliffe, Yarm and Stockton-on-Tees.
Darlington has a wide mix of house ages, so the survey is where we spot old lead pipework, weak joists or a tight soil stack. If your Darlington bathroom has black mould on the ceiling or silicone, the fan and its duct are the first things we check. For windowless bathrooms in Darlington homes, continuous extract that boosts on humidity often works better than a fan tied to the light switch.
Water across much of County Durham is moderately hard. 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 fan chosen to meet the bathroom extract rate: 15 l/s intermittent or 8 l/s continuous
- Wiring by a qualified electrician, with an isolator outside the room and RCD protection
- Making good around the fan and checking that it extracts properly at the grille
- A check of the room, any existing fan or vent, and the shortest route to the outside
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.

