Hertfordshire · Canopy and hood cleaning
Stevenage canopy cleaning
Our technicians work in Stevenage on deep cleaning of kitchen canopies, hoods, plenums and grease filters, inside and out. Out-of-hours visits, a fixed quote and a written report with photos as standard.
- Poor capture at the hood
- Overflowing grease troughs and gutters
- An EHO comment about the canopy
About our canopy cleaning in Stevenage
Grease troughs, seams and the inside edge of the canopy are the spots a daily wipe misses. We scrape the heavy deposits, then degrease the surfaces with methods that suit the build-up, using hot water or steam where it helps. If you’re dealing with grease dripping from the canopy edge and a greasy hood noticed by an inspector, we can put it right, from canopy light fittings, grease gutters and wall canopies onwards.
In a place the size of Stevenage, the kitchens with extract systems range from takeaways and restaurants to hotel, school and workplace kitchens. Each cooks for a different number of hours a day, so each needs cleaning at its own interval.
Nothing is signed off by word of mouth: a dated report with photos of the work, plus a certificate through the BESCA Vent Hygiene Elite portal when the work is a TR19® Grease clean. Any parts we couldn’t reach are recorded on it too.
- Location
- Stevenage (SG1, SG2, SG3)
- Wider area
- Hertfordshire
- Paperwork
- TR19® certificate and photo report
- Price
- A fixed quote up front
- Hours
- Evenings, overnight and weekends; 24/7 emergencies
- Call
- 0345 646 2711
- Updated
- 30 October 2026

Why it’s worth doing now in Stevenage
For a kitchen in Stevenage, a canopy that looks greasy can colour a whole inspection. Keeping it clean shows the rest of the kitchen is being looked after and keeping it that way is easier than catching up. We can set up 3, 6 or 12-monthly visits so nothing on a site in Stevenage gets missed.
Several systems or sites on one quote often makes better use of the time. Tell us about everything you’d like looked at, and you will get one fixed quote.
Why choose Duct Doctor in Stevenage
- We diagnose before we treat
- In business since 2009
- Each visit written up, with photos
- Evenings, overnight and weekends, plus 24/7 emergency callout
Take a look at how cleaning jobs are priced and our accreditations and certificates.
What your team can do, and what needs us
For ventilation and air handling systems, in-house care is mostly about checks: keeping grilles clear, noting unusual noise or smells and logging filter changes. The inside of ducts and units needs a specialist.
A few tasks are always specialist work: opening up ductwork, cleaning fans, drop testing fire dampers and measuring grease need training, the right equipment and safe access. Leave those to us.
Stevenage: your questions answered
Do you do school kitchen extract cleaning in Stevenage in the summer holidays?
Yes, and it’s the easiest time to do it. Around Stevenage, the Food Standards Agency lists about 39 schools and colleges with registered kitchens within a mile and a half or so. Booking early in the term gives the best choice of holiday dates.
Who is the fire and rescue service for Stevenage?
Hertfordshire Fire and Rescue Service is the fire and rescue service for Stevenage. Records of extract cleaning are a sensible thing to have ready if a fire safety officer carries out an audit.
How much notice should we give?
Book as early as you can for planned work, especially if the next clean or test is due soon. For emergencies, we take calls 24/7.
Is canopy cleaning enough for TR19?
A canopy-only clean is possible, but it is not a full TR19 clean. TR19 Grease covers everything the grease travels through, at intervals set by BESA guidance.
How do you keep the site clean during the work?
We cover floors and nearby surfaces with sheeting before any work starts, and waste is contained as we go. Before we leave, we tidy up and clean down.
Why does grease run off the canopy edge?
A full trough, gaps around the filters or a coated plenum. We clean all three and point out anything that’s causing it.
Can we book visits on a schedule?
Yes. Scheduled maintenance plans are part of what we do, set at the interval the system needs. Each report recommends when the next visit should be.
Which accreditations do you hold?
Duct Doctor is a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease. We also hold CHAS, SafeContractor and ISO 9001, and we carry full insurance.
What canopy cleaning cannot fix
We’d rather tell you now than book work that won’t help, so these are the things it will not cover:
- Ductwork and fans beyond the canopy (those need a full TR19 clean)
- A canopy undersized for the equipment
- Poor airflow from a fan that needs repair
If in doubt, phone us on 0345 646 2711 or send us an email and we will say what we think.
Where we work
- Island canopies
- Plenum chambers
- Grease gutters
- Baffle filters
- Wall canopies
- Canopy light fittings
Nearby places to Stevenage
What else we do in Stevenage
What we are called out for in Stevenage
The plenum is hidden behind the filters, so nobody sees it build up. Kitchen staff clean what they can see, so the plenum often carries months of grease.
Common reasons sites call us are:
- Drips from the canopy onto the range
- A hood coated in old grease
- Poor capture at the hood
- A filter housing caked in grease
Church and community hall kitchens, near St Hugh & St John or anywhere around Stevenage, are easy to forget, but their extracts collect grease like any other.
Questions to ask before you book
- Whether they’re fully insured
- How VAT is shown on the quote
- What paperwork you get at the end
- What hours they’ll be on site
How it works
On the day, we arrive at the time agreed with you, which is often after service, overnight or at a weekend. Anything that needs to be off for the work is switched off and left to cool before work begins, and the area around the work is covered and protected. The work itself takes a few hours for most canopies. For a managed building in Stevenage, let us know about sign-in, permits and who holds the keys.
- First the canopy is surveyed, by photos or in person.
- The range is turned off and allowed to cool before we cover it.
- We remove the grease filters and clean the plenum and filter housing.
- We degrease the canopy shell, its seams and the grease troughs.
- We refit the filters, clear up and photograph the finished canopy.
How to prepare
- Clear the space around the work
- Name a contact who can let us in at the agreed time
- Let us know when the site is closed or quiet
Getting a quote
To get a fixed quote, call us on 0345 646 2711 or send us an email and tell us the type of site, your opening hours and roughly what the system looks like. Photos and the last report, if you have one, make the quote quicker. We typically come back within one working day.
Advice
Stevenage kitchens: local notes
According to Food Standards Agency records, there are about 33 pubs and bars and about 5 hotels and guest houses in and around Stevenage, up to about a mile and a half out. Any of them serving cooked food has an extract to keep clean, from canopy to discharge. Hertfordshire Fire and Rescue Service covers Stevenage. The Fire Safety Order puts the duty on whoever runs a kitchen to control its fire risk, and a greasy duct is fuel. Food hygiene inspections in Stevenage are the job of Stevenage council’s environmental health team. They look at how clean the premises and equipment are, and the kitchen extract is part of that. A dated certificate in the maintenance file answers the question before it’s asked.
Historic houses near Stevenage, such as Aston Bury about 2.5 miles south-east, are a reminder that older buildings with event kitchens can have long, awkward duct routes. School kitchens, at schools like Saint Vincent de Paul Catholic Primary School for example, are normally cleaned in the holidays so no lunches are lost.
Stevenage is about 26 miles east of Milton Keynes, in Hertfordshire. We carry out canopy cleaning for businesses, landlords and public buildings in Stevenage and the rest of Hertfordshire. Stevenage is one of 381 towns, villages and districts in Hertfordshire where we work for commercial clients. Our Milton Keynes page covers sites nearby, about 26 miles away.
Postcode districts we cover here for canopy cleaning: SG1, SG2 and SG3. You’ll find streets such as King Pin Square, Market Square and Market Place, all of which we cover for canopy cleaning. Being close to the A602 and B197, Stevenage is simple for us to get to at any hour. Neighbouring places we cover for canopy cleaning include Bedwell (1 mile south-west), Pin Green (1 mile north-west), Chells (1 mile east), St Nicholas (1 mile north) and Rooks Nest (1 mile north). We also work in nearby towns such as St Albans (13 miles south-west), Bishop's Stortford (15 miles east), Welwyn Garden City (8 miles south), Harpenden (10 miles south-west), Hitchin (5 miles north-west) and Hoddesdon (13 miles south-east). As one of the bigger places in Hertfordshire, Stevenage has commercial sites of every size, and we cover all of them for canopy cleaning.
Landmarks near Stevenage
Locally, jobs take us to businesses close to The Heathcote School, Church of Saint Nicholas and Marriotts School. Stevenage’s nearest station is Stevenage station, about 1.2 miles south-west. A little further out are Benington Castle (2.9 miles east) and Stevenage Museum (0.8 miles south-west). For a walk, there’s Pryor's Wood.
What affects the cost of canopy cleaning
Every site gets its own quote. This is what makes a difference:
- What state the system is in
- A single visit or a regular plan
- How many systems or sites are involved
- Site requirements such as sign-in and permits
When the work has to happen, how we reach it and how big the site is can all change the price. Each of those is built into the quote, and the price is fixed before work begins.
What we need to know
A few details help us quote accurately. When you get in touch, it helps to send:
- How we’d reach plant on a roof or in a plant room
- Anything you’ve noticed, such as smells, noise, drips or poor airflow
- Any previous report or certificate
- Detail shots of panels, filters and grilles
Quoting starts with a diagnosis, either from pictures and details you send or from a site visit. After that, you get a fixed price for the work so you know the cost before any work starts.
Aftercare tips
Here’s the after-treatment advice, short and simple:
- Check filters are not leaving gaps
- Check and empty canopy gutters regularly
- Avoid harsh scourers that scratch the canopy
- Keep filters on a set cleaning routine
A full system clean comes with a TR19 certificate from the BESCA Vent Hygiene Elite portal. If the job covers only the canopy, the paperwork reflects that.
The best thing a kitchen can do for its canopy is keep the filters clean. Wash or exchange them regularly, and never cook with one missing. Less grease gets into the plenum as a result.