Extractor fan installation in Leatherhead

We fit bathroom, kitchen and utility fans across Leatherhead, sized to the room rather than the cheapest box.

We cover Leatherhead and the surrounding KT21, KT22 and KT23 postcodes as part of our work across Surrey. We survey first, free of charge for new installations on the mainland, then send a fixed written quote.

Extractor fans in Leatherhead at a glance

Town: Leatherhead, Surrey
Postcode districts: KT21, KT22 and KT23
Nearby: Ashtead (2 miles), Great Bookham (2 miles) and Epsom (4 miles)
Price region: South East
Survey: Free survey (UK mainland)

What the work involves

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. Wales, Scotland and Northern Ireland have their own rules, which we follow where the job is.

Like-for-like replacement

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

New fan through an outside wall

Core drilled, sleeved, wired from a fused spur and sealed outside.

Guide prices in Leatherhead

Extractor fan installation guide prices in Leatherhead
Work	Guide price
New ducted fan to outside through the loft or ceiling (insulated duct, roof or soffit outlet) (per fan)	£490–£825 inc VAT
Inline fan for a shower room or en-suite (loft-mounted, one or two ceiling grilles) (per room)	£600–£975 inc VAT
Kitchen extract fan, or cooker hood ducted to outside (per kitchen)	£435–£775 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.

Common reasons people call

The fan runs but a sheet of toilet paper does not stick to the grille
The fan is noisy, rattling or has stopped
The duct ends in the loft rather than outside

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). For homes, it sets minimum extract rates such as 15 litres a second for a bathroom and 30 or 60 for a kitchen, and expects mechanical systems to be airflow-tested.

Questions from Leatherhead

Do you cover Leatherhead and nearby?

Yes. We cover Leatherhead and nearby places including Ashtead, Great Bookham, Epsom and Cobham. Send your postcode and we will confirm.

Do you need building regulations for a new extractor fan?

Fitting or replacing an extractor fan has to meet the ventilation and electrical rules, and certain electrical work is notifiable. We do the work to the current standards. Electrical work that is notifiable is certified by a registered electrician, and you get a copy of the certificate and our airflow readings.

How long does fitting a fan take?

A straight replacement takes an hour or two. A new fan with a core-drilled hole or a duct through the loft usually takes half a day.

What is the price of new extractor fans in Leatherhead?

Guide prices for Leatherhead use South East rates: like-for-like extractor fan replacement (existing duct and wiring) is typically £195 to £325 inc VAT per fan. We confirm a fixed price in writing before any work starts.

Is the survey free in Leatherhead?

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.

We can usually fit a replacement fan in Leatherhead in a single short visit.