Hertfordshire · Canopy and hood cleaning

Canopy and hood cleaning in Welwyn Garden City, Hertfordshire

Canopy and hood cleaning in Welwyn Garden City, surveyed first and signed off with a written report and pictures. Ask us for a fixed quote.

  • Overflowing grease troughs and gutters
  • An EHO comment about the canopy
  • A filter housing caked in grease

Canopy cleaning in Welwyn Garden City

Canopy cleaning in Welwyn Garden City, done properly

Canopy cleaning is part of every full TR19® Grease clean, but a canopy can also need cleaning on its own, between full system cleans. In that case, the report makes clear what was and wasn’t cleaned, so your records stay accurate. If you have a canopy that no longer draws the smoke away and a greasy hood noticed by an inspector, we can help.

For a pub, café or restaurant in a town like Welwyn Garden City, losing a day’s trade to cleaning isn’t an option, so cleans are booked after closing, early in the morning or on a quiet day. The kitchen is handed back clean and ready to cook.

Insurers, fire officers and environmental health officers all look at records. That is why every job is written up in a report with photos, and grease extract cleans come with a TR19® certificate issued through the BESCA Vent Hygiene Elite portal.

Where
Welwyn Garden City (AL7, AL8, AL6)
Wider area
Hertfordshire
Reporting
TR19® certificate and photo report
Quote
A fixed price before we start
Working hours
Overnight and weekend work, 24/7 emergency callout
Phone
0345 646 2711
Page updated
30 October 2026
Duct Doctor duct and vent cleaning vans lined up in a car park with the team

Landlords, agents and facilities managers

We regularly work with managing agents. Send the address, what’s needed and how access works and we’ll come back with a fixed quote.

Running several sites is easier with one contractor. We cover South East England and London, so visits at different addresses can be planned together and kept to a regular schedule.

When it’s something else

We won’t sell you work that does not address the problem, so here are the limits:

  • A fan that cannot pull enough air because it’s worn out
  • A canopy too small for the cooking under it (that’s a design question)
  • Grease filters too damaged to refit (they need replacing)

If in doubt, give us a ring on 0345 646 2711 or drop us a line and we will say what we think before you book.

What we work on in Welwyn Garden City

  • Baffle filters
  • Island canopies
  • Canopy light fittings
  • Plenum chambers
  • Grease gutters
  • Wall canopies

What the work involves, part by part

Wall canopies

Long wall canopies often have several filter banks. We work along the canopy section by section, with pictures for each.

Plenums and filter housings

Behind the grease filters is the plenum. Grease that slips past the filters settles there, so it’s scraped and degreased on every canopy clean.

What canopy cleaning looks like in Welwyn Garden City

The Food Standards Agency lists about 11 pubs and bars and about 4 hotels and guest houses as registered food businesses within 1.5 miles or so of the middle of Welwyn Garden City. Breakfasts, bar meals and functions all put grease into the extract wherever they’re cooked. It’s Welwyn Hatfield council that sends environmental health officers to food businesses in Welwyn Garden City. They look at how clean the premises and equipment are, and the kitchen extract is part of that. Keeping each certificate and photo report on file helps show the extract is looked after. Hertfordshire Fire and Rescue Service covers Welwyn Garden City. In most workplaces, including commercial kitchens, it’s the fire and rescue authority that enforces the Fire Safety Order.

If you cook for passing trade around Welwyn Garden City station, the extract can be cleaned between your last and first customer. A hall kitchen that only cooks for events, whether near Church Of Saint Francis Of Assisi or elsewhere in Welwyn Garden City, still needs its extract cleaned, just less often.

Welwyn Garden City is in Hertfordshire. We provide canopy cleaning for businesses, landlords and public buildings in Welwyn Garden City and the rest of Hertfordshire. Welwyn Garden City is one of 381 places in Hertfordshire where we work for commercial clients. You can also see our page for London, roughly 21 miles from Welwyn Garden City.

We cover every part of the AL7, AL8 and AL6 postcode area for canopy cleaning and the roads nearby. Whether your site is on Church Road, Station Road and Lynmouth Road or a nearby road, we can help. Welwyn Garden City is on the B195 and A1000, which makes it straightforward for our technicians to reach for out-of-hours visits. If your site is just outside Welwyn Garden City, we cover Hatfield Hyde (1 mile south), Letty Green (3 miles south-east), West End (3 miles south), Essendon (3 miles south-east) and Staines Green (3 miles east). Further out, we also cover Watford (13 miles south-west), Hemel Hempstead (12 miles west), Stevenage (8 miles north), St Albans (7 miles south-west), Harpenden (7 miles west) and Hitchin (11 miles north). Being one of Hertfordshire’s larger places, Welwyn Garden City has a wide mix of commercial premises, all within our area for canopy cleaning.

Near you in Welwyn Garden City

We work in commercial kitchens and buildings around Stanborough Park, Sir Frederic Osborn School and The Bakehouse pub. Welwyn Garden City’s nearest station is Welwyn Garden City station, roughly 0.5 miles west of the centre. A little further out are The Bunker at Hatfield Police Station (2.9 miles south-west) and Queen Elizabeth II Hospital (1.1 miles south). For a walk, there’s Lemsford Springs.

Map of Welwyn Garden City © OpenStreetMap contributors

What affects the quote in Welwyn Garden City

We quote each job individually. This is what makes a difference:

  • Site requirements such as sign-in and permits
  • Whether we need access equipment or extra panels
  • Whether it’s a one-off visit or part of a schedule
  • The scale of the work

Working hours, access and the scale of the site can all change the price. Each of those is built into the quote and give you a fixed price before any work starts.

What to send for a quote

To help us quote quickly, please include:

  • The times we could work without disrupting the site
  • Any symptoms, from odd noises to smells or leaks
  • Any access panels or hatches you can see
  • The roof, plant room or outside wall the system runs to

Photos are enough for some jobs, while others need a look on site. Big or complicated sites, and systems that are hard to see in pictures, get a survey first. Either way, the quote is fixed before any work is booked.

What your team can do, and what needs us

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.

Staff cleaning and specialist work aren’t the same thing. A daily filter wipe and a weekly filter wash keep grease down at the front of the system, but grease that has passed the filters is out of reach. Reaching it takes a specialist with the right equipment.

What happens on the day

Night work is normal for us. Evenings, nights and weekends are when much of our work happens, so the site can open as normal afterwards. On site, the work takes a few hours for most canopies. Work in Welwyn Garden City is normally booked after closing, early in the morning or on a closed day.

  1. We start by checking the canopy and what’s behind its filters.
  2. Equipment is turned off and cooled, and the area under the canopy is protected.
  3. Thick grease is scraped away before the canopy is degreased.
  4. We finish the plenum, troughs and canopy and check them over.
  5. The canopy is signed off with before and after pictures and a next clean date.

Getting ready for the visit

  • Have your last certificate or report to hand
  • Tell us about access, such as roof hatches, plant rooms, ceilings or locked areas
  • Agree a time when the area can be out of use

Get a fixed quote

For a fixed quote, call 0345 646 2711 or drop us a line with the site type, your trading hours and a short description of the system. A few photos and your last certificate or report help a lot. We usually come back within one working day.

Get a quick quote

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Your questions about canopy cleaning in Welwyn Garden City

Do you work at weekends in Welwyn Garden City?

Yes, out-of-hours work is a big part of what we do. The site is handed back ready to open. Your opening times are the first thing we ask for.

Who enforces fire safety at workplaces in Welwyn Garden City?

It’s Hertfordshire Fire and Rescue Service, which covers Welwyn Garden City. TR19® is not law, but it’s the benchmark many fire officers and insurers look to when they ask how often the extract is cleaned.

Do you clean the grease filters as part of a canopy clean?

The filters come out so the plenum behind them can be cleaned, and they’re cleaned before going back in. Any that are damaged are noted on the report.

Where does the waste go?

Waste is contained during the work and removed when we leave, including grease, debris and dirty water. We don’t leave it behind.

Who has the legal duty for fire safety?

The Fire Safety Order 2005 calls them the responsible person: often the employer, owner or occupier. In shared or managed buildings, a landlord, facilities manager or managing agent can share the duty.

What paperwork do I get after a canopy clean?

A photo report, with before and after pictures of the canopy and plenum. It also gives a recommended date for the next clean.

Do we need to close while you work?

Not normally. Visits are timed for when the area is closed, such as overnight or at a weekend, so you keep your normal hours.

What is TR19?

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

Common problems we fix in Welwyn Garden City

Grease that runs down the inside of a canopy gathers in its gutters and troughs. If they’re not emptied, they fill and overflow, so fat ends up running down the front of the hood.

What we are most often called out for:

  • A sticky, discoloured canopy
  • Canopy gutters full of old fat
  • Fat running down the front of the hood
  • Condensation running down the canopy

For schools such as Peartree Primary School, kitchen extract cleaning is typically booked for the holidays, when the canteen is closed.

Comparing quotes

  • Their accreditations, such as BESCA Vent Hygiene Elite, CHAS or SafeContractor
  • How areas they can’t reach will be recorded
  • Whether the whole system is included, or only the parts that are easy to reach
  • Whether the quote shows VAT

How to choose an extract cleaning contractor

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