Hertfordshire · Kitchen extract cleaning

Kitchen extraction cleaning in Nether Street

Kitchen extract cleaning in Nether Street, surveyed first and signed off with a written report and photos. Call for a fixed quote.

  • Poor airflow at the canopy
  • Rancid smells from grease in the duct
  • Ductwork thick with old, hardened grease

Kitchen extract cleaning in Nether Street

Kitchen duct cleaning in Nether Street

Every time food is cooked, warm vapour carries fat up into the extract. As it cools, it clings to the inside of the ductwork and keeps building. That film is fuel, and cleaning the whole system is how you keep it under control. Common call-outs are for years of baked-on grease in the ducts and an overdue clean flagged by an EHO or fire officer, across horizontal duct runs, discharge points and extract fans. Hood cleaning is where most enquiries from Nether Street start: a clean that goes past the canopy into the duct and fan, backed by a certificate.

Kitchens that fry and grill hardest need the most frequent cleans, so the interval is set by what you cook as well as how long.

In a small place like Nether Street, kitchens are often in older or extended buildings, with long single-storey duct runs, and those horizontal sections are where grease settles. We agree access and timings in advance.

For insurers and inspectors, the record counts. That’s 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.

Duct Doctor duct and vent cleaning vans lined up in a car park with the team
Place
Nether Street (SG12)
Wider area
Hertfordshire
Records
Certificate and photo report
Quotes
A fixed price before any work starts
When we work
Nights, weekends or holidays to suit you
Telephone
0345 646 2711
Checked
30 October 2026

Keeping the system healthy

Looking after the system between visits is straightforward, and it helps at the next visit:

  • Wash or exchange the filters often
  • Clean grease off the canopy surfaces regularly
  • Refit filters properly after cleaning
  • Tell us when the extract starts to drip or smell

The kitchen is left clean and ready for the next service. Waste grease and water are contained and removed, and equipment can be switched back on once we have gone.

Stick to the cleaning interval on the certificate. If the kitchen starts cooking longer hours, the interval should be looked at again, and grease readings will show it.

When to call us in Nether Street

Hours of cooking are the biggest factor. BESA guidance sets minimum cleaning intervals of every 3 months for 12 to 16 hours a day, 6 months for 6 to 12 hours, and 12 months for 2 to 6 hours. Those are minimums, and grease readings can show a kitchen needs cleaning sooner.

Clients typically contact us after spotting one of these:

  • Rancid smells from grease in the duct
  • Grease dripping from the canopy or filters
  • Ductwork thick with old, hardened grease
  • Poor airflow at the canopy

If you run catering at a healthcare site, such as a hospital like Princess Alexandra Hospital about 3.8 miles south, the extract may need cleaning more often than a part-time kitchen.

What to look for in a quote

  • Whether they’re fully insured
  • If the quote is a fixed price or an estimate
  • Whether inaccessible sections are listed on the report
  • When the next visit should be, and why

How to choose an extract cleaning contractor

Different parts, different methods

Canopy and plenum

The plenum is out of sight behind the filters, so it’s easy to forget. We take the filters out and clean the plenum and housing thoroughly.

Ductwork and risers

Risers take the extract up through floors to roof level, and grease runs down their walls and pools at the base. Access panels along the riser let us clean it in sections.

How the visit works

Protection comes first: floors, worktops and anything near the work are covered. Then we make the system safe and start. It takes anything from a few hours to a full night, depending on the size of the system, and the area is cleaned down before we leave. If you can send pictures, we can arrive in Nether Street knowing what to expect.

  1. First the diagnosis: a survey of the whole system and its access points.
  2. Grease readings set the baseline, and a fixed quote follows.
  3. We arrive after close, protect the area and contain the waste.
  4. The treatment: heavy grease scraped out, then every part degreased to TR19® Grease.
  5. The sign-off: post-clean readings, a TR19 certificate and a photo report with the next clean date.

How to prepare

  • Dig out any earlier paperwork for the system
  • Agree a time when the area can be out of use
  • Tell us about access, such as roof hatches, plant rooms, ceilings or locked areas

Get a fixed quote

Photos are enough for some jobs, while others need a look on site. Larger sites, and anything hidden behind walls, ceilings or floors, are normally surveyed first. Either way, you get a fixed price before work begins.

Get a price

Advice

Why it’s worth doing now in Nether Street

Putting it off simply moves the grease further down the duct. Fat that was soft and easy to remove hardens with heat and time, and that takes more work to shift. Regular cleans keep each visit shorter. A fault that closes a site in a village like Nether Street affects everyone who depends on it.

One small site or a whole estate, we price it on the same basis: what needs doing, how we get to it and when. You’ll have a fixed price before we start.

Why choose Duct Doctor in Nether Street

  • One contact for all your sites in London and the South East
  • Fixed quotes from a survey or photos
  • Work around your opening hours, with 24/7 emergency cover
  • Trading since 2009

Read our cost guide or how to check a contractor.

When it’s something else

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

  • A canopy that’s too small or a system that was badly designed
  • Ductwork that is corroded, split or leaking (that is for a ductwork contractor)
  • A broken extract fan that won’t run

Not sure which it is? You can phone us on 0345 646 2711 or drop us a line and we will tell you honestly before booking.

Where we work

  • Vertical risers
  • Discharge points
  • Extract fans
  • Canopies and hoods
  • Horizontal duct runs
  • Plenums and filters

Fixed quotes for kitchen extract cleaning in Nether Street

The diagnosis comes before the price. We look at:

  • The condition we find in the survey
  • Whether it’s a one-off visit or part of a schedule
  • Parking and loading at the site
  • Site rules, permits and inductions

Kitchens, offices, schools and hospitals are all priced the same way: how much there is, how we reach it, what state it’s in and when we can work. Call for a fixed quote and we’ll go through it with you.

What we need to know

The more you tell us, the more accurate the quote. With your enquiry, please include:

  • Photos showing the whole system and its surroundings
  • The paperwork from the last visit, if you have it
  • Any access panels or hatches you can see
  • When the site is open and when it’s quiet

To get a fixed quote, ring 0345 646 2711 or use the quote form 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 usually come back within one working day.

Kitchen extract cleaning around Nether Street

There are about 3 cafés, restaurants and staff canteens in and around Nether Street, up to about a mile and a half out, according to the Food Standards Agency’s register. Wherever food is cooked under a canopy, the extract above it gathers grease and needs cleaning on a schedule. Environmental health officers from East Hertfordshire council inspect food businesses in Nether Street. An officer looking round a kitchen will see the canopy, and grease there is hard to miss. Before-and-after photos from each clean are a simple way to show the extract is in hand. Hertfordshire Fire and Rescue Service covers Nether Street. The Fire Safety Order puts the duty on whoever runs a kitchen to control its fire risk, and a greasy duct is fuel.

Much Hadham Palace, about 2.3 miles north, is one of the historic houses near Nether Street; if you run event catering at a venue like that, cleans can be booked between functions. A hall kitchen that only cooks for events, whether near Parish Church of St John the Baptist or elsewhere in Nether Street, still needs its extract cleaned, just less often.

Nether Street is about 4 miles east of Ware, in Hertfordshire. Wherever you are in the SG12 postcode area, we can take on kitchen extract cleaning. We cover 381 places across Hertfordshire, from busy centres to quieter spots. We also work in Chelmsford, around 19 miles away.

Here we cover the SG12 postcode area for kitchen extract cleaning. Other places close to Nether Street include Widford (1 mile south-west), Hunsdon (1 mile south), Hadham Cross (2 miles north), Hunsdonbury (2 miles south) and Wareside (2 miles west). We also work in nearby towns such as Stevenage (12 miles north-west), Bishop's Stortford (5 miles north-east), Welwyn Garden City (11 miles west), Hoddesdon (6 miles south-west), Cheshunt (9 miles south-west) and Hatfield (13 miles west).

Landmarks near Nether Street

Locally, jobs take us to businesses close to The Bell Inn On The Corner Of Bell Lane and the streets around them. Nether Street’s nearest station is Harlow Town station, roughly 3.2 miles south. A little further out are Harlow Mill (3.5 miles south-east) and Henry Moore Studios and Gardens (1.2 miles north-east). For a walk, there’s Hunsdon Mead.

Map of Nether Street © OpenStreetMap contributors

FAQs for Nether Street

Which council inspects kitchens in Nether Street?

Food hygiene inspections in Nether Street are carried out by East Hertfordshire council. Have your latest TR19® certificate and photo report to hand, as an officer may ask how the extract is maintained.

Can you work in Nether Street outside opening hours?

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.

What is TR19?

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

How long does a kitchen extract clean take?

That depends on the size of the system, the amount of grease and the number of access points. As a guide, it takes a few hours for a small kitchen, longer for a large system.

Can you come out in an emergency?

Yes. Our emergency line runs 24/7 for anything that cannot wait until a planned visit. Ring any time and tell us what’s happened.

Do you look at the system first?

Yes. For many sites, photos and a few details are enough, and larger or hidden systems get a visit.

Do you clean the whole extract system or just the canopy?

Everything from canopy to discharge: canopy inside and out, plenum, grease filters, ductwork, risers, extract fan and discharge, plus attenuators where fitted. Any part without access is noted.

Can you set up regular visits?

Yes, of course. Tell us what you have and how it’s used, and we’ll suggest a schedule and quote for it.

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