- Postcode districts
- NN11
- Nearby
- Rugby, Northampton and Royal Leamington Spa
- Guide price
- £240–£600
- Typical time on site
- half a day
- Water
- Hard across most of Northamptonshire
- Survey
- Free, at your home
What does a bathroom extractor fan cost in Daventry?
In Daventry, a bathroom extractor fan typically costs £240–£600 including VAT, based on East Midlands prices. Labour costs in East Midlands put local prices at about 4% 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 Daventry including VAT. Your itemised written quote after the free survey is the price that counts.
Working in Daventry
We cover every part of Daventry, including NN11, and nearby Rugby (9 miles) and Northampton (11.7 miles).
Homes in and around Daventry vary, so we look at the floor, the walls and the water system before we price anything. If your Daventry bathroom has black mould on the ceiling or silicone, the fan and its duct are the first things we check. In Daventry flats, a new vent through an outside wall may need freeholder consent, so we raise it at the survey.
Water across much of Northamptonshire is 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
- 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
- Run-on timer, humidistat or light-linked switching set up to suit how the room is used
Decisions to make first
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.
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.
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.
