- Postcode districts
- OX1, OX2, OX3, OX4
- Nearby
- Aylesbury, High Wycombe and Reading
- Guide price
- £280–£650
- Typical time on site
- half a day
- Water
- Hard across most of Oxfordshire
- Survey
- Free, at your home
What does a bathroom extractor fan cost in Oxford?
Our guide price for a bathroom extractor fan in Oxford is £280–£650 including VAT. Labour costs in South East England put local prices at about 12% above 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 Oxford including VAT. Your itemised written quote after the free survey is the price that counts.
Working in Oxford
In Oxford we cover OX1, OX2, OX3 and 1 more postcode districts; we also cover Aylesbury, 19.4 miles away, and High Wycombe.
In a city the size of Oxford, parking and access for a skip are worth sorting before the start date — we will ask at the survey. If your Oxford bathroom has black mould on the ceiling or silicone, the fan and its duct are the first things we check. We check the duct route at Oxford surveys, because a short, straight run to outside matters more than the fan's headline figure.
Supplies across most of Oxfordshire 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
- A backdraught shutter and external grille, so cold air does not blow back in
- A fan chosen to meet the bathroom extract rate: 15 l/s intermittent or 8 l/s continuous
- Rigid or semi-rigid ducting kept short and straight, and insulated where it crosses a cold loft
- Wiring by a qualified electrician, with an isolator outside the room and RCD protection
Decisions to make first
Replacement air
A fan needs air to replace what it removes, so leave a gap of around 10 mm under the door or fit a door grille. A sealed room starves the fan.
Intermittent or continuous
An intermittent fan runs during and after use. A continuous fan runs quietly all the time at a low rate and boosts when humidity rises.
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.

