West Molesey, Surrey
Extractor fan installation in West Molesey
Bathroom, kitchen and utility fans sized to the Part F rates, ducted outside and tested. Covering West Molesey and KT8, KT12 and KT13.
- From £195 inc VAT per fan
- Free survey
Many extractor fans in West Molesey homes need replacing because they never extracted properly.
Work in West Molesey follows the rules for England and finishes with a written record of what was fitted and how it was set up.
Extractor fans in West Molesey at a glance
- Town
- West Molesey, Surrey
- Postcode districts
- KT8, KT12 and KT13
- Nearby
- Hampton (1 mile), East Molesey (1 mile) and Sunbury-on-Thames (2 miles)
- Price region
- South East
- Survey
- Free survey (UK mainland)
How we approach extractor fans in West Molesey
The rate a fan delivers through a real duct run is often far lower than the number on the box, which is why we size to the room and test the result. For England, Approved Document F gives minimum intermittent extract rates: 15 litres a second for a bathroom, 30 for a kitchen with a cooker hood (60 without one), 30 for a utility room and 6 for a WC.
Ducted to outside through the loft
Insulated duct to a roof, ridge or soffit outlet so warm moist air does not condense in the loft.
Inline fans
A quiet fan in the loft serving one or two ceiling grilles in a shower room or en-suite.
Guide prices in West Molesey
| Work | Guide price |
|---|---|
| Like-for-like extractor fan replacement (existing duct and wiring) (per fan) | £195–£325 inc VAT |
| New extractor fan through an outside wall (core drilled, wired, tested) (per fan) | £380–£600 inc VAT |
| New ducted fan to outside through the loft or ceiling (insulated duct, roof or soffit outlet) (per fan) | £490–£825 inc VAT |
Guide prices using South East rates. Prices include VAT at 20%. A guide price is not a quote: we confirm a fixed price in writing first.
Signs it is time to call us
- The fan is noisy, rattling or has stopped
- The duct ends in the loft rather than outside
- A kitchen with a recirculating hood and condensation on the windows
Rules that apply in England
In England, ventilation is covered by Part F of the Building Regulations and its guidance, Approved Document F (2021 edition). It sets extract rates for kitchens, bathrooms and utilities and asks for mechanical ventilation to be commissioned and recorded.
Questions from West Molesey
How do I get a price for new extractor fans in West Molesey?
Use the guide price tool, the form on this page, live chat, WhatsApp or call 0800 088 6341. A postcode and a couple of photos help us give you a useful answer first time.
How much does it cost to fit an extractor fan?
Replacing a fan on an existing duct usually costs £175 to £295 including VAT. A new fan through an outside wall is typically £345 to £545, and a fan ducted to outside through the loft £445 to £745.
What size extractor fan does a bathroom need?
In England a bathroom fan should extract at least 15 litres a second, measured at the fan, under Approved Document F. Long or bendy duct runs reduce flow, so the fan often needs to be rated higher than the minimum.
What area around West Molesey do you work in?
All of Surrey. Near West Molesey that includes Hampton, East Molesey, Sunbury-on-Thames and Walton-on-Thames.
Do you cover West Molesey and nearby?
Yes. We cover West Molesey and nearby places including Hampton, East Molesey, Sunbury-on-Thames and Walton-on-Thames. Send your postcode and we will confirm.
Get a guide price online, then we confirm it for your West Molesey home at the visit.
Extractor fans near West Molesey
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