Hertfordshire · Ductwork cleaning

Duct cleaning in Bushey Heath

Professional ductwork cleaning in and around Bushey Heath, booked around your opening hours and signed off in writing with pictures.

  • High readings at a recent grease test
  • Years of grease along the duct floor
  • A rancid smell from the extract duct

Ductwork cleaning in Bushey Heath

Different parts, different methods

Horizontal duct runs

The underside of a horizontal duct collects the most grease. We scrape out the heavy layer first, then the walls and roof are cleaned too.

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.

Ductwork cleaning in Bushey Heath

Duct cleaning is the hardest part of an extract clean, and the part most often skipped. Sections with no way in can go uncleaned for years. Each section we can reach is cleaned, and any we cannot is written down, so you know exactly where you stand. Typical jobs include proof of duct cleaning for the insurer and grease seeping out of the duct seams, across bends and junctions, attenuators and access panels.

Kitchens around a place like Bushey Heath are often in older buildings or single-storey extensions, with the duct running through a roof space or up an outside wall. Long horizontal runs like that hold grease and need access panels to reach.

The report is your system’s health record: a dated account with pictures of everything we did. Grease extract cleans are also certificated to TR19® Grease through the BESCA VHE portal, ready for your insurer.

Before and after view down the inside of a rectangular extract duct
Place
Bushey Heath (WD23, HA7)
Wider area
Hertfordshire
Reporting
Certificate and photo report
Price
A fixed quote up front
When we work
Overnight and weekend work, 24/7 emergency callout
Telephone
0345 646 2711
Reviewed
30 October 2026

Kitchen extracts in Bushey Heath

Food Standards Agency records list about 35 restaurants, cafés and works canteens and about 8 takeaways in Bushey Heath and the streets around it, up to about 1.5 miles out. Each kitchen that cooks under a canopy sends grease-laden air into a duct, where it cools and settles. Environmental health officers from Hertsmere council inspect food businesses in Bushey Heath. The cleanliness of the kitchen and its equipment, extraction included, is part of what they check. A TR19® certificate and photo report after each clean gives you a record to show an inspector. Hertfordshire Fire and Rescue Service covers Bushey Heath. Fire and rescue authorities enforce the Fire Safety Order in most non-domestic premises, and in a kitchen that fire risk includes the grease in the extract.

For schools such as Bushey Heath Primary School, kitchen extract cleaning is normally booked for the holidays, when the canteen is closed. A hall kitchen that only cooks for events, whether near Church of St Peter or elsewhere in Bushey Heath, still needs its extract cleaned, just less often.

Bushey Heath is about 1 mile south-east of Bushey, in Hertfordshire. We provide ductwork cleaning for commercial premises of every kind in Bushey Heath and the rest of Hertfordshire. 381 places in Hertfordshire are on our list, from busy centres to quieter spots. There’s also a page for London, about 14 miles away.

Here we cover the WD23 and HA7 postcode area for ductwork cleaning. If you need ductwork cleaning at premises on High Road, Vega Road and Hive Road or a nearby road, our technicians can take on the work. Main roads around Bushey Heath include the A409 and A4140, so getting to you is simple for evening and night visits. Other places close to Bushey Heath include Bushey (1 mile north-west), Oxhey (2 miles north-west), Watford Heath (2 miles west), Carpenders Park (2 miles west) and Brockley Hill (2 miles east). Further out, we also cover Watford (3 miles north-west), Hemel Hempstead (10 miles north-west), St Albans (8 miles north), Welwyn Garden City (13 miles north-east), Harpenden (13 miles north) and Cheshunt (14 miles north-east).

Landmarks near Bushey Heath

Locally, jobs take us to businesses close to St. Hilda's School, The Three Crowns Public House and Aldenham Country Park and the streets around them. The nearest railway station is Carpenders Park station, roughly 1.9 miles west. Well-known places in the area include Harlequin Centre (2.6 miles north-west) and Bentley Priory Museum (less than half a mile south-east). The countryside around Bushey Heath includes Stanmore Common.

Map of Bushey Heath © OpenStreetMap contributors

Bushey Heath: your questions answered

Which fire service covers Bushey Heath?

That’s Hertfordshire Fire and Rescue Service. It’s worth keeping your fire risk assessment, TR19® certificates and photo reports together, ready to show.

Can school kitchens in Bushey Heath be cleaned in the holidays?

Yes, and it’s the easiest time to do it. With about 11 schools and colleges on the FSA’s register within roughly a mile and a half of Bushey Heath, it pays to plan holiday dates ahead. Send us your term dates when you phone us on 0345 646 2711 or send us an email, and we’ll fit the work in.

What if part of the duct can’t be reached?

Sections out of reach are written down on the report, in line with TR19. We can fit new access panels so they’re cleaned next time.

What do you do with what you remove?

Waste is contained during the work and removed when we leave, from grease and debris to used cleaning water. None of it is left on site.

Can you set up regular visits?

Yes. Regular plans can run on 3, 6 or 12-monthly cycles, to suit the system and how it’s used.

What’s involved in cleaning extract ducts?

Each section is cleaned through its own panel. Heavy grease comes out by hand, and what’s left is degreased, with readings taken before and after.

What does TR19 mean?

A BESA specification in two main parts: TR19® Grease for kitchen extract systems and TR19® Air for general ventilation. It is not legislation, but it’s the standard people check against.

Do you offer emergency callouts?

Yes. Our emergency line runs 24/7, for problems that cannot wait. Ring any time and tell us what’s happened.

Multi-site and managed buildings

If you look after several sites, we can plan visits across the whole estate and price them together. Every building has its own written report, so records stay tidy.

We also work for facilities teams across offices, schools and healthcare in Bushey Heath and across Hertfordshire. Work can be phased by floor, building or site around the people who use them.

Common problems we fix in Bushey Heath

A vertical riser can run up several floors. Grease collects on the riser walls and gathers at the bottom as liquid grease runs down. Panels along the riser make proper cleaning possible.

Clients usually contact us after spotting something like this:

  • A grease test showing the duct is overdue
  • An insurer asking for TR19 evidence
  • Grease seeping out of the duct seams
  • Thick crusts of old grease along the duct

Healthcare kitchens, like those at hospitals such as Royal National Orthopaedic Hospital (about 1.6 miles east), often cook for long hours, which puts them in BESA’s heavier-use bands.

Comparing quotes

  • When the next visit should be, and why
  • Whether the price is fixed
  • When they can work, and whether that is outside your opening hours
  • Exactly which parts of the system are covered

Questions to ask before booking

How it works

There are three stages on the day: set-up, the treatment itself and the sign-off. Set-up means sheeting and making equipment safe, and the sign-off is a written report with pictures. The middle part takes longest, which takes anything from a few hours to several visits, depending on the length of duct. Visits to a place like Bushey Heath are planned ahead, so we arrive with what the survey says the job needs.

  1. We start by working out how the duct runs and where it can be opened.
  2. Set points along the runs are tested for grease.
  3. Through the access panels, thick grease is removed by hand first.
  4. The duct is degreased with the method that suits the grease, from degreasers to hot water or steam.
  5. Readings and pictures are repeated and any section we couldn’t reach is recorded.

How to prepare

  • Mention any parking or loading restrictions
  • Let us know how we reach the system, including roofs, risers and plant rooms
  • Tell us the best time to work, such as after service or at a weekend

Ask for a quote

Quotes are quick. Send a few details and pictures, and we usually reply with a fixed quote within one working day. If we need to see the system first, we book a survey around your hours.

Ask for a quote

Related advice

Leave it or put it right?

Dealing with the ductwork in Bushey Heath now beats dealing with it after a problem. The work takes a few hours for a short run, longer for long runs and tall risers, and we work evenings, overnight and weekends. Even a site near Bushey Heath that’s only busy part of the week needs its system checked on a schedule.

One small site or a whole estate, the quote is built the same way: what needs doing, how we get to it and when. The price is fixed before any work starts.

Why book with us

  • Evenings, overnight and weekends, plus 24/7 emergency callout
  • Full insurance on every job
  • CHAS and SafeContractor accredited, with ISO 9001
  • Survey first, then a fixed quote

Read our cost guide or our accreditations.

Keeping the system healthy

Think of this as the after-treatment advice, short and simple:

  • Make sure filters are seated properly
  • Consider fitting panels where the report shows gaps
  • Keep your cleaning records together
  • Do not switch the extract off early

When the duct is cleaned as part of a full TR19® Grease clean, a TR19 certificate is issued through the BESCA Vent Hygiene Elite portal. It shows when and where the clean was done and by whom.

Watch for warning signs between cleans: grease leaking from duct joints, smells, or a fan that sounds rough. Testing will show whether any section has reached 500 microns.

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, next to our reports.

Your own staff can handle the daily basics: wiping canopies, washing grease filters and recording it in a log. What they can’t safely do is clean inside the ductwork, the fan or the risers, which is where we come in.

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