Hertfordshire · Grease filter exchange

Grease filter exchange in Cholesbury, Hertfordshire

Grease filter exchange for commercial sites in Cholesbury and across Hertfordshire. BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease.

  • Staff short of time to wash filters
  • A canopy that drips grease
  • Filters so greasy the air can barely pass

Grease filter exchange for sites in Cholesbury

Grease filter exchange in Cholesbury, done properly

The filters in the canopy are the first thing cooking vapour meets. They catch grease before it reaches the plenum and ductwork, but only while they’re reasonably clean. Our grease filter exchange service swaps dirty filters for clean ones on a schedule. Common call-outs are for a greasy plenum behind the filters and a canopy that drips grease, across baffle filters, school and hospital kitchens and mesh filters.

Rural kitchens often have long, low duct runs through a roof space or along an outside wall, and those horizontal sections are where grease settles. We agree access and timings in advance.

Every visit ends with a written report and pictures, so you have a record of what was done and when. Kitchen extract cleaning to TR19® Grease is certificated through the BESCA Vent Hygiene Elite portal.

Location
Cholesbury (HP23)
Region
Hertfordshire
Paperwork
Report and pictures after the visit
Price
Fixed quote, usually within a working day
Working hours
Evenings, overnight and weekends; 24/7 emergencies
Telephone
0345 646 2711
Page updated
30 October 2026
Duct Doctor duct and vent cleaning vans lined up in a car park with the team

FAQs for Cholesbury

Do you work at weekends in Cholesbury?

Yes, out-of-hours work is a big part of what we do. That way a site in Cholesbury doesn’t have to lose a day’s trading. Your opening times are the first thing we ask for.

Which fire and rescue service is responsible for Cholesbury?

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

Who has the legal duty for fire safety?

The Fire Safety Order 2005 calls them the responsible person: often the employer, owner or occupier. Landlords, facilities managers and managing agents can also hold responsibility.

How often should grease filters be changed?

The right interval depends on the kitchen. If filters clog early, the interval needs shortening and we’ll adjust it.

Do you work with multi-site operators?

Yes. You deal with one contact for every site in our area, and visits can be set on a regular cycle.

What does grease filter exchange cost?

Filters, canopies and how often you need visits all affect the price. Send us details or pictures and we will quote, usually within one working day.

Do you recommend a next date?

Yes. Every report includes a recommended date for the next visit, based on what we found and how the system is used.

What types of premises do you cover?

Commercial premises of every kind: kitchens, offices, schools, healthcare, retail, leisure and food production. Work is timed around how each site runs.

The process

On the day, we arrive at the time agreed with you, which is often after service, overnight or at a weekend. Equipment that has to be off is switched off and allowed to cool before any work starts, and floors and nearby surfaces are sheeted. On site, it takes a few minutes per canopy, longer for a large kitchen with several canopies. We agree a date with you, plan the drive to Cholesbury and turn up when the site is quiet.

  1. We record the number, size and type of your filters.
  2. An exchange schedule is agreed to suit your cooking.
  3. The dirty set is lifted out.
  4. Clean filters go in and we check they sit snugly.
  5. We take the greasy set away and confirm the next date.

Preparing for the visit

  • Tell us where we can park and unload
  • Let us know how we reach the system, including roofs, risers and plant rooms
  • Name a contact who can let us in at the agreed time

Getting a quote

If you need grease filter exchange in Cholesbury, ring 0345 646 2711 or email us. Tell us what kind of premises it is and when it’s open, plus pictures or the previous report if they’re to hand. A fixed quote typically follows within one working day.

Get a quick quote

Read more

What grease filter exchange can’t fix

An honest diagnosis matters more to us than a booking, so here’s what this work can’t put right:

  • Grease behind the filters that a swap can’t remove
  • A canopy that doesn’t capture the vapour properly
  • Extraction problems caused by the fan rather than the filters

Not sure which it is? You can ring 0345 646 2711 or drop us a line and we’ll tell you honestly before you book.

Where we work

  • Restaurants and pubs
  • Wall canopies
  • School and hospital kitchens
  • Island canopies
  • Baffle filters
  • Mesh filters

Looking after it afterwards

No system stays clean for ever, but care slows the build-up. A few tips:

  • Report damaged filters so they can be replaced
  • Wipe the outside of the canopy as part of daily cleaning
  • Make sure no filter is left out
  • Keep the canopy clear for exchange visits

Keep an eye out for filters that have been taken out. A missing filter leaves a gap for grease, so let us know if one goes missing or gets damaged.

Filters that are left too long stop protecting the system. Getting onto a regular exchange now keeps grease out of the plenum and ductwork between full cleans.

Do you need grease filter exchange in Cholesbury?

The type of cooking matters. Fryers, grills and woks load filters faster than ovens and steamers, so the right exchange interval varies.

The symptoms we’re asked about most include:

  • Filters left unwashed on busy weeks
  • Weak extraction at the canopy
  • Missing filters in the filter bank
  • Grease building up behind the canopy filters

If you run catering at a historic house or estate in the area (Cholesbury Manor House is about 0.1 miles west), event kitchens in older buildings often have awkward duct runs that need planning.

Before booking anyone

  • When the next visit should be, and why
  • How areas they can’t reach will be recorded
  • Whether the price is fixed
  • What hours they’ll be on site

Choosing a duct cleaning contractor

What the work involves, part by part

The plenum

Behind the filters sits the plenum, where air gathers before the duct. Grease that gets past the filters settles there.

Baffle filters

Baffle filters use overlapping metal blades that force the air to change direction. Grease is thrown out of the airstream and collects on the baffles.

Grease, kitchens and Cholesbury

Hertfordshire Fire and Rescue Service covers Cholesbury. In most workplaces, including commercial kitchens, it’s the fire and rescue authority that enforces the Fire Safety Order. In Cholesbury, food businesses are inspected by environmental health officers from Buckinghamshire council. 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.

If you look after a school kitchen, at a school such as Hawridge and Cholesbury Church of England School or anywhere near Cholesbury, the holidays are the usual time for a TR19® clean. A hospital like Chiltern Hospital, about 4.8 miles south, is the kind of site where a kitchen may cook for patients, staff and visitors all day.

Cholesbury is about 3 miles west of Berkhamsted, in Hertfordshire. We provide grease filter exchange for businesses, landlords and public buildings in Cholesbury and the rest of Hertfordshire. Cholesbury is one of 381 towns, villages and districts in Hertfordshire we cover for grease filter exchange. Our Milton Keynes page covers sites nearby (20 miles or so).

Every address in HP23 is within our area for grease filter exchange, from the main roads to the quietest streets. That includes premises on Cholesbury Lane and Cholesbury Road and nearby roads. Nearby, we also carry out grease filter exchange in Buckland Common (1 mile west), Hawridge (1 mile east), St Leonards (1 mile west), Bellingdon (1 mile south-east) and Heath End (1 mile east). We also work in nearby towns such as Watford (13 miles south-east), Hemel Hempstead (8 miles east), St Albans (14 miles east), Harpenden (14 miles east), Berkhamsted (3 miles east) and Bushey (15 miles south-east).

Local landmarks in Cholesbury

Locally, jobs take us to businesses close to Full Moon Public House. The nearest railway station is Tring station, about 3.4 miles north of the centre. Nearby you will also find Trenchard Museum (3.3 miles north-west) and Chiltern Hospital (4.8 miles south). Not far away are Pavis Wood and Dancersend.

Map of Cholesbury © OpenStreetMap contributors

What affects the quote in Cholesbury

The survey tells us what the work involves. We look at:

  • The condition we find in the survey
  • A single visit or a regular plan
  • Whether several sites go on one quote
  • Site rules, permits and inductions

Working hours, access and the scale of the site all affect the cost. Each of those is built into the quote, and the price is fixed before any work starts.

What to send for a quote

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

  • The paperwork from the last visit, if you have it
  • Detail shots of panels, filters and grilles
  • The times we could work without disrupting the site
  • Where the plant sits or the system leaves the building, such as a roof or outside wall

Photos are the quickest way to a quote: wide shots of the system, close-ups of anything that worries you and how we’d get to it. Add the site type and your opening hours, and we can price many jobs without a visit.

For landlords and multi-site operators

Where a tenant occupies the premises but the landlord owns the building, it’s worth checking the lease for who maintains the systems. We can quote either party and send the paperwork to whoever needs it.

Keeping records across a portfolio is half the battle. Every visit ends with a dated report and pictures, ready to show insurers, fire officers or EHOs.

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