London and the South East

Ductwork Cleaning in West Sussex

Wherever you are in West Sussex, our technicians can help with ductwork cleaning. Fixed quotes up front, and a 24/7 emergency line.

Book ductwork cleaning in West Sussex

How ductwork cleaning works in West Sussex

Once air leaves the canopy, it travels through ductwork that most people never see. Grease settles along every metre of it and a fire in the duct can spread through the building. We clean it from the inside, through access panels, to BESA TR19® Grease. The work covers multi-storey ducts, access panels and attenuators, and people most often call us about grease pooling at the foot of the riser and years of grease along the duct floor.

Your trading hours come first. Most visits are booked for when the area is out of use, such as evenings, overnight, early mornings or weekends. Once we are in, the area is sheeted and anything that has to be off is turned off and cooled, and the job takes a shift or more, depending on the length of the runs and the number of access points.

  1. First the duct route is traced and every access point noted.
  2. We measure grease thickness at set points before cleaning.
  3. We open the panels and scrape out the heaviest grease.
  4. The duct is degreased with the method that suits the grease, from degreasers to hot water or steam.
  5. Post-clean readings and photos go into the report, with any unreachable section listed.

What you’ll pay

No two sites are the same, so each one gets its own fixed quote. The size of the job, how we reach it, its condition and the working hours all play a part.

What you get with us

  • Fixed quotes from a survey or pictures
  • BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease
  • One number for every site across the South East and London
  • A written report with photos after each visit

Get a fixed quote

To get a fixed quote, call 0345 646 2711, or email photos with the site type, your trading hours and a short description of the system. Photos and the last report, if you have one, make the quote quicker. You’ll typically have a quote within one working day.

Landmarks near Crawley

Around Crawley, our work takes us to kitchens and buildings near Friary Church of St Francis and St Anthony, St Wilfrid's Catholic School and Tilgate Park and the streets around them. Nearby too are The George Hotel (within half a mile north), Three Bridges Junior School (less than half a mile south-east) and St Francis of Assisi Catholic Primary School (within half a mile south-east). Crawley has its own railway station: Crawley station. Nearby you will also find Crawley Hospital (0.5 miles north-west) and County Mall (within half a mile north-east). Green spaces nearby include Tilgate Lake.

Kitchen extracts across West Sussex

Our ductwork cleaning work across West Sussex takes in places such as Crawley, Horsham and Worthing and the villages in between. Every place on our West Sussex list (371 in all) is covered, and kitchens are cleaned around their opening hours, overnight and at weekends included.

Across England, including West Sussex, the responsible person has a legal duty to assess and reduce fire risk, and a TR19® certificate and photo report give you a record of the work. West Sussex includes coastal places, where salt in the air speeds up corrosion of roof-level equipment. We look for corrosion as well as dirt on coastal sites.

Crawley: If you run a café or takeaway near Crawley station, early starts and late finishes leave little time to clean, so overnight extract cleaning suits. Term dates shape school work: for a school like Three Bridges Junior School, an extract clean fits neatly into a half-term or summer break.

What staff can safely do

Logging matters as much as cleaning. A dated log of in-house cleaning and checks shows an inspector that the system is looked after between visits, alongside our reports.

Some jobs should never be done in-house: entering ducts, working on fans, testing dampers and taking grease readings need training, the right equipment and safe access. Leave those to us.

Different parts, different methods

Multi-storey and shared buildings

In a shared building, the duct links the kitchen to other spaces, so the responsible person has more reason to keep it clean. The paperwork suits landlords and managing agents.

Attenuators and discharge

The last section of duct before the discharge is often the coolest, which can mean heavier deposits. We include it in the clean and the readings.

Landlords, agents and facilities managers

Records are where multi-site compliance often slips. Every visit ends with a dated report and photos, ready to show insurers, fire officers or EHOs.

Running several sites is easier with one contractor. We work across London and the South East, so visits at different addresses can be planned together and kept on a regular cycle.

Honest limits

We will always give you a straight diagnosis, so here’s what this work can’t put right:

  • A duct that is too small or badly routed for the kitchen (a design issue)
  • Sections that can’t be reached safely without new access (those are recorded, and panels can be fitted)
  • A damper stuck open in the duct

Looking after it afterwards

After the visit, a few habits help the work last:

  • Do not block access panels with shelving or stock
  • Keep the fan on while anything is cooking
  • Make sure filters are seated properly
  • Get panels fitted where the duct couldn’t be cleaned

File the paperwork in the maintenance log. It’s the evidence an insurer or inspector may ask for, and the pictures make the duct’s condition easy to see.

Have access panels fitted where sections cannot be reached. It doesn’t stop grease forming, but it stops it building unseen.

Your questions about ductwork cleaning in West Sussex

How often does extract ductwork need cleaning?

The minimum depends on how long the kitchen cooks each day: 3-monthly for heavy use, 6-monthly for moderate and 12-monthly for light use. Grease readings may show it needs doing sooner.

Do we have to stop cooking while the ducts are cleaned?

The duct is cleaned out of hours, so evenings, nights and weekends are all possible. Equipment and the extract are switched off while we work.

Are you fully insured?

Yes. Duct Doctor is fully insured, and we can share the details when you need them.

What does TR19 mean?

It’s the industry benchmark for cleaning ventilation and kitchen extract systems, written by BESA. It covers how systems are inspected, cleaned and checked, and it takes a risk-based approach.

How do you clean inside the ductwork?

We get into the duct through its access panels. Thick deposits are removed by hand before degreasing, such as degreasers, hot water or steam.

How much notice should we give?

Book as early as you can for planned work, particularly if your next visit is nearly due. For emergencies, we take calls 24/7.

How do you know if the ductwork needs cleaning?

A grease thickness test gives the answer. Using a Wet Film Thickness Test or Deposit Thickness Test, we check the grease at set points. A mean above 200 microns, or 500 microns at any point, means it’s due.

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BESCA Vent Hygiene EliteMember, cleaning to BESA TR19® Grease
CHAS · SafeContractorISO 9001 and fully insured
Certificate and photo reportWith every clean
24/7 emergency calloutEvenings, nights and weekends
Since 2009South East England and London