0800 088 6341
Ventilation Contractors

Cobham, Surrey

Extractor fan installation in Cobham

Bathroom, kitchen and utility fans sized to the Part F rates, ducted outside and tested. Covering Cobham and KT11, KT13 and KT14.

  • From £195 inc VAT per fan
  • Free survey
Modern bathroom with walk-in shower and wall extractor fan

Many extractor fans in Cobham homes need replacing because they never extracted properly.

Whether the property is in the middle of Cobham or one of the villages around it, the process is the same: a look at the building, a written price, then fitting and testing on the agreed day.

Extractor fans in Cobham at a glance

Town
Cobham, Surrey
Postcode districts
KT11, KT13 and KT14
Nearby
Esher (3 miles), Weybridge (4 miles) and Great Bookham (4 miles)
Price region
South East
Survey
Free survey (UK mainland)

Extractor fans for Cobham homes

Many existing fans were never doing their job: undersized, ducted into the loft space, fitted with a flex duct crushed in the joists, or switched off by occupants because they were noisy. 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.

Kitchen extract and cooker hoods

A wall or window fan, or a cooker hood ducted outside rather than recirculating.

Like-for-like replacement

A new fan on the existing duct and wiring, often with an overrun timer or humidity sensor.

Guide prices in Cobham

Extractor fan installation guide prices in Cobham
WorkGuide 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

These ranges use our South East rates. Prices include VAT at 20%. You get a fixed written price before any work is booked.

Signs it is time to call us

  • Mould on the bathroom ceiling or around the window
  • The fan runs but a sheet of toilet paper does not stick to the grille
  • The fan is noisy, rattling or has stopped

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 Cobham

Is the survey free in Cobham?

For new installations on the UK mainland, yes. The survey is free and the quote that follows is fixed and in writing. Servicing, testing and repair visits are charged, and we confirm the cost before booking.

Can an extractor fan vent into the loft?

No. A fan should discharge to outside, because warm, moist air dumped in the loft condenses on the cold roof timbers and causes mould and rot there instead.

Should I get a fan with a humidity sensor?

A humidistat fan switches on when the air gets damp and runs until it clears, which suits family bathrooms and rentals where people forget the switch. A continuous-running fan is another good option.

How do I get a price for new extractor fans in Cobham?

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.

What area around Cobham do you work in?

All of Surrey. Near Cobham that includes Esher, Weybridge, Great Bookham and Walton-on-Thames.

Book a Cobham visit and we will test the fan you have before recommending a new one.

Extractor fans near Cobham

More services in Cobham

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Answer a few questions for a price range, or send photos and we will come back to you with a written quote.

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