Oxfordshire · Grease filter exchange

Grease filter exchange in Tetsworth, Oxfordshire

One call covers grease filter exchange in Tetsworth: survey, fixed quote, work and sign-off. CHAS and SafeContractor accredited, ISO 9001 and fully insured.

  • Grease filters clogged with grease
  • A greasy plenum behind the filters
  • Weak extraction at the canopy

Grease filter exchange near Tetsworth

About our grease filter exchange in Tetsworth

Baffle filters and mesh filters both fill with grease. Once they’re clogged, airflow drops and the extract struggles. Regular exchange keeps the air moving. Common call-outs are for staff short of time to wash filters and grease dripping from the canopy, across wall canopies, baffle filters and restaurants and pubs.

In a small place like Tetsworth, kitchens are often in older or extended buildings, with long single-storey duct runs, and those horizontal sections are where grease settles. Access, parking and timings are agreed before the day.

Duct Doctor has been trading since 2009, as a BESCA Vent Hygiene Elite member, cleaning to BESA TR19® Grease. We also hold CHAS, SafeContractor and ISO 9001, and we carry full insurance.

Location
Tetsworth (OX9)
Wider area
Oxfordshire
Records
Photo report after each visit
Quote
Fixed quote, usually within a working day
Working hours
When your site is closed, plus a 24/7 line
Telephone
0345 646 2711
Last updated
30 October 2026
Five Duct Doctor technicians in navy uniforms with the company vans

What affects the quote in Tetsworth

You’ll get a fixed price before we start. It takes into account:

  • When the work can happen, such as evenings, overnight or weekends
  • Access, including roofs, risers and ceiling voids
  • Site requirements such as sign-in and permits
  • One-off work versus a regular cycle

A single site or a whole portfolio, we price it on the same basis: what needs doing, how we get to it and when. The price is fixed before we start.

What we need to know

A few details help us quote accurately. When you get in touch, it helps to send:

  • Problems your staff have spotted
  • The roof, plant room or outside wall the system runs to
  • Any previous report or certificate
  • When the site is open and when it’s quiet

Some systems can be priced from pictures; others need a survey. 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.

Grease filter exchange around Tetsworth

Food hygiene inspections in Tetsworth are the job of South Oxfordshire council’s environmental health team. Extraction counts as kitchen equipment, so its condition can come up on the day. Our report lists what was cleaned and when, which is useful to have ready. The fire and rescue service for Tetsworth is Oxfordshire Fire and Rescue Service. The Fire Safety Order puts the duty on whoever runs a kitchen to control its fire risk, and a greasy duct is fuel.

Church and community hall kitchens, near Church of St Giles or anywhere around Tetsworth, are easy to forget, but their extracts collect grease like any other. Term dates shape school work: for a school like Tetsworth Primary School, an extract clean fits neatly into a half-term or summer break.

Tetsworth is about 3 miles south-west of Thame, in Oxfordshire. Tetsworth gets the same approach as every site we work on: a survey first, a fixed quote, work timed around your hours and a report with photos. Tetsworth is one of 443 towns, villages and districts in Oxfordshire we cover for grease filter exchange. You can also see our page for Oxford, roughly 10 miles from Tetsworth.

Every address in OX9 is within our area for grease filter exchange, from busy streets to back roads. Grease filter exchange is available to premises on High Street, Swan Gardens and Back Street and the roads around them. We also cover North Weston (2 miles north), Milton Common (3 miles north-west), Albury (3 miles north-west), Great Haseley (3 miles west) and Tiddington (3 miles north-west). Further out, we also cover Oxford (10 miles west), Didcot (12 miles south-west), Bicester (15 miles north-west), Abingdon-on-Thames (12 miles west), Thame (3 miles north-east) and Henley-on-Thames (13 miles south).

Local landmarks in Tetsworth

We work in commercial kitchens and buildings around The Swan pub and the streets around them. For rail, the closest station is Haddenham & Thame Parkway station, roughly 5 miles north-east. Other landmarks nearby include Thame Museum (2.9 miles north) and Thame Community Hospital (2.8 miles north-east). Not far away are Wells Farm and Bald Hill.

Map of Tetsworth © OpenStreetMap contributors

Staff cleaning versus specialist work

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.

Staff cleaning doesn’t replace a specialist visit; it supports it. Clean filters and tidy surfaces slow the build-up, but hidden parts of the system still need specialist attention.

What grease filter exchange can’t fix

Grease filter exchange can’t fix everything, and we’d rather say so up front. It doesn’t solve:

  • Odours from the discharge that filters will not stop
  • Extraction problems caused by the fan rather than the filters
  • Grease deep in the extract system

If in doubt, give us a ring on 0345 646 2711 or email us and we’ll say what we think.

Where we work

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

FAQs for Tetsworth

Can a school canteen extract in Tetsworth be done out of term time?

Yes, holiday work suits schools best. Food Standards Agency records list about 2 schools, colleges and universities with registered kitchens within about a mile and a half of Tetsworth. Tell us your holiday dates and we will book the visit for when the site is empty.

Which fire and rescue service is responsible for Tetsworth?

Oxfordshire Fire and Rescue Service is the fire and rescue service for Tetsworth. It’s worth keeping your fire risk assessment, TR19® certificates and photo reports together, ready to show.

What types of filter do you exchange?

We work with both baffle and mesh filters. The first step is recording what you have and set up the service around them.

Can you come out in an emergency?

Yes, 24/7. Office hours are Monday to Friday, 8am to 6pm, with the emergency line covering every other hour.

Do you provide a certificate or report?

Yes, always. It’s a dated, written report with photos, plus a certificate via the BESCA Vent Hygiene Elite portal for TR19® Grease cleans. Keep it in your maintenance log.

Do you work with multi-site operators?

Yes. One number covers all your sites across London and the South East, and visits can be set on a regular cycle.

Does the report say when we need you again?

Yes. We put a recommended next date on the report. BESA’s minimum intervals for kitchen extracts range from 3-monthly for heavy use to 12-monthly for light use, and fire dampers need testing at least once a year.

Is filter exchange enough instead of a full extract clean?

No, the two work together. A TR19® clean deals with the whole system and comes with a certificate and photo report.

What we do, step by step

Your trading hours come first. Most visits are booked for when the area is out of use, such as evenings, overnight, early mornings or weekends. When the team arrives, the work area is protected and the relevant equipment is switched off to cool, and the job takes anything from a few minutes to an hour or so, depending on the number of filters. A few photos of the system help us make the most of a visit to a place like Tetsworth.

  1. The filters in each canopy are measured and counted.
  2. An exchange schedule is agreed to suit your cooking.
  3. The dirty set is lifted out.
  4. A clean set is fitted and checked for gaps.
  5. The dirty filters leave with us and the next visit is booked.

Getting ready for the visit

  • Tell us about site rules, permits or sign-in
  • Mention any parking or loading restrictions
  • Make sure someone can let us in and lock up afterwards

Getting a quote

The quickest way to a quote is to send photos: 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 many jobs can be priced from that alone.

Ask for a quote

Advice

For landlords and multi-site operators

When the building owner and the occupier are different, it’s worth checking the lease for who maintains the systems. We’re happy to deal with either side and send the paperwork to whoever needs it.

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

Between visits

Simple habits between visits make a real difference. We recommend:

  • Book full TR19 cleans alongside filter changes
  • Make sure no filter is left out
  • Keep the canopy clear for exchange visits
  • Tell us if a filter is bent or damaged

The canopy looks cleaner and the air moves better right away. Always run the extract during cooking so they catch grease as intended.

Clean filters plus regular full cleans keep the system in good health. A maintenance plan that covers both means neither slips.

What we are called out for in Tetsworth

Cooking vapour carries grease into the canopy. The filters catch much of it, and day by day they load up and airflow falls away.

Common reasons sites call us include:

  • Poor airflow through the filters
  • Gaps where filters have been removed
  • A canopy that drips grease
  • Filters so greasy the air can barely pass

Healthcare kitchens, like those at hospitals such as Thame Community Hospital (about 2.8 miles north-east), often cook for long hours, which puts them in BESA’s heavier-use bands.

Before you book anyone

  • Whether inaccessible sections are listed on the report
  • What insurance they carry
  • If the quote is a fixed price or an estimate
  • Exactly which parts of the system are covered

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