Surrey · Extract fan cleaning
Extract Fan Cleaning in Walliswood
Extract fan cleaning across Walliswood and nearby, timed so the site keeps working and signed off in writing with pictures.
- A fan motor running hot under a coat of grease
- A fan left out of previous cleans
- Thick grease on the impeller and casing
How we handle extract fan cleaning in Walliswood
Duct Doctor has been cleaning kitchen extract fans since 2009. We are a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease, and we are fully insured, with CHAS, SafeContractor and ISO 9001. If you’re dealing with grease stains around the discharge and a fan left out of previous cleans, we can put it right.
For a kitchen in or near Walliswood, the visit is planned around opening hours and the journey, and the clean covers the whole system, as it would anywhere: canopy to discharge, then a TR19® certificate and a photo report.
Duct Doctor has been trading since 2009, and we are a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease. We also hold CHAS, SafeContractor and ISO 9001, and we’re fully insured.
- Place
- Walliswood (RH5)
- Wider area
- Surrey
- Records
- Certificate plus before-and-after pictures
- Quote
- Fixed quote, typically within a working day
- Hours
- Out of hours as standard, 24/7 emergency line
- Call
- 0345 646 2711
- Last updated
- 30 October 2026

Honest limits
It’s worth knowing the limits before booking:
- A cracked or broken impeller (it needs replacing)
- Electrical faults in the fan’s supply or controls (an electrician’s job)
- Grease in the duct and canopy before the fan (those need a full TR19 clean)
If you’re not sure, just ring 0345 646 2711, or send details by email and we’ll give you a straight answer before you book.
Where we work
- Fan housings
- Centrifugal fans
- Axial fans
- Discharge points
- In-line fans
- Roof-mounted fans
Walliswood questions
Will you come out to Walliswood?
Yes. Walliswood is within the area we cover across London and the South East. Photos of the system and directions to the site help us plan the visit.
Who inspects food businesses in Walliswood?
The local authority for Walliswood is Mole Valley council, and its environmental health team does the inspecting. An officer may look up into the canopy, so clean filters on the day and a recent certificate on file both help.
Can the fan be cleaned between full cleans?
Yes, where it makes sense. We’ll often suggest checking the duct too, as a greasy fan normally means a greasy duct, but the choice is yours.
Do you need to turn the fan off to clean it?
The fan is isolated before we open it, so it cannot start while we work. With the extract off, the kitchen cannot cook, so we work out of hours.
Can you come out in an emergency?
Yes. Our emergency line runs 24/7, for problems that can’t wait. Ring any time and tell us what’s happened.
What about areas you cannot get to?
We never leave them off the paperwork. The report says which parts couldn’t be reached and why, along with a quote to put access in.
How long does extract fan cleaning take?
That depends on the fan’s size, its position and how much grease there is. Typically it takes an hour or two for most single fans.
How much does extract fan cleaning cost?
There’s no set price, as it depends on the job: the size of the system, its condition, access and when we can work. You get a fixed price before any work starts.
Staff cleaning versus specialist work
Logging matters as much as cleaning. A simple log of filter washes, wipe-downs and checks helps show that the system is managed between specialist visits, alongside our reports.
When your team notices a problem between visits, such as dripping grease, a noisy fan, a smell or a filter that won’t come clean, it’s best reported rather than tackled in-house. We’ll take a look and give you a fixed quote.
Leave it or put it right?
For a kitchen in Walliswood, a noisy, greasy fan is often the first sign the whole system is overdue. Grease on the fan means grease in the duct before it so a full TR19 clean may be due. Somewhere as small as Walliswood, losing a kitchen or building to a fault is felt by everyone who uses it.
When the work has to happen, how we reach it and how big the site is can all change the price. We take each of them into account, and the price is fixed before we start.
Why Walliswood businesses choose us
- One number for every site across the South East and London
- Member of BESCA Vent Hygiene Elite, cleaning to BESA TR19® Grease
- Photo reports with every job
- We’re fully insured
How the job changes from site to site
Wall fans
Smaller kitchens may extract through a fan on an outside wall. We isolate it, then clean the blades and housing.
Impellers and blades
While the impeller is clean, we can see its condition: cracks, bent blades or wear. We note any concerns.
Fixed quotes for extract fan cleaning in Walliswood
Your quote is based on your site. We consider:
- Site rules, permits and inductions
- A single visit or a regular plan
- Whether several sites go on one quote
- How big the system is
The price reflects the work, not guesswork. That’s why every job is surveyed first, and why the quote is fixed before we start.
Helping us quote
Many jobs can be priced from pictures and some basics. Useful things to send:
- Where the site is and what kind of site it is
- Your opening hours and when the area is out of use
- Detail shots of panels, filters and grilles
- Any previous report or certificate
Some systems can be priced from photos; others need a survey. Big or complicated sites, and systems that are hard to see in photos, get a survey first. Either way, the quote is fixed before any work is booked.
What happens on the day
The first job on site is protection: floors, worktops and anything near the work are covered. Then we make the system safe and start. It takes an hour or two for most single fans, and the area is cleaned down before we leave. The timing of a visit to Walliswood is set by you, and the travel is our side of the planning.
- First we locate the fan and agree how it’s safely isolated.
- Power to the fan is isolated before anyone touches it.
- We remove the grease from the blades, impeller and casing.
- Blades, housing and the area around the motor are degreased with care.
- It’s closed up, run and checked, and pictures go into your report.
Getting ready for the visit
- Name a contact who can let us in at the agreed time
- Clear the space around the work
- Let us know when the site is closed or quiet
How to get a quote
Quotes are quick. Call or email with a few details and you’ll normally have a fixed price within one working day. If we need to see the system first, we book a survey around your hours.
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Also near Walliswood
What else we do in Walliswood
Extract fan cleaning in Walliswood: the local picture
About 29 miles out from central London, Walliswood is part of the South East area we work across. We work evenings, overnight and at weekends, so the visit fits around the site. Walliswood is covered by Surrey Fire and Rescue Service. Its fire safety officers can audit commercial kitchens, and grease in the extract is part of a kitchen’s fire risk.
Kitchens that cook twelve hours or more a day, as some healthcare kitchens do, fall into BESA’s three-monthly minimum; Horsham Hospital is the nearest hospital to Walliswood, about 5.5 miles south-east. Where a hall near Church of St John the Baptist, or anywhere in Walliswood, hosts lunch clubs or events, its extract gathers grease just as a café’s does.
Walliswood is about 6 miles north-west of Horsham, in Surrey. Whether your site is in the middle of Walliswood or further out, extract fan cleaning is available to all kinds of commercial premises, from a single unit to a large public building. Across Surrey, we cover 395 places, and Walliswood is one of them. Guildford is in our area too, about 11 miles from Walliswood.
We cover every part of the RH5 postcode area for extract fan cleaning and the roads nearby. That includes premises on Horsham Road, Standon Lane and Oakfields and nearby roads. Close by, we work in Mayes Green (1 mile north), Ewhurst Green (2 miles north-west), Ellen's Green (2 miles south-west), Ewhurst (2 miles north-west) and Cranleigh (4 miles west). Larger places within reach include Guildford (11 miles north-west), Woking (15 miles north-west), Epsom (15 miles north), Horley (11 miles east), Redhill (12 miles north-east) and Reigate (11 miles north-east).
Around Walliswood
In Walliswood, that means kitchens and buildings near Wallis Wood and The Scarlett Arms Public House. Walliswood’s nearest station is Ockley station, roughly 3.1 miles north-east of the centre. Other landmarks nearby include Abinger Castle (4.8 miles north) and Horsham Hospital (5.5 miles south-east). The countryside around Walliswood includes Vann Lake and Leith Hill.
Between visits
After the visit, a few habits help the work last:
- Never cook with a filter missing
- Notice when the fan starts to sound different
- Tell us if the extract feels weaker
- Make sure the fan is included each time
The area around the fan is left clean, with waste grease removed. On a roof or outside wall, we leave the surrounding area tidy.
Do not run the kitchen with the extract off. Air that keeps moving carries vapour out rather than letting it settle, so keeping it running helps keep it clean.