Hertfordshire · Grease filter exchange
Grease Filter Exchange in Chorleywood
Grease filter exchange for Chorleywood, with a survey first and a report with pictures at the end. Call for a fixed quote.
- Filters that leave gaps in the canopy
- Filters that come out of the sink still dirty
- Blocked baffle filters
Aftercare tips
Think of this as the after-treatment advice, in brief:
- Never cook with the extract switched off
- Watch for grease drips between visits
- Tell us if the menu or opening hours change
- Clean the canopy surfaces regularly
If the plenum behind the filters looks greasy, we say so. It can be a sign that a full TR19® clean is due and we can book that in.
Dripping filters are a clear sign they’re full. A clean set right away cuts the grease in the canopy, and it’s worth checking the plenum too.
How we handle grease filter exchange in Chorleywood
Good filters only work when they fit properly. Gaps in the filter bank are a direct route into the plenum, so we check every one at each visit. Damaged filters are flagged so they can be replaced. If you are dealing with drips falling from the filters onto equipment and gaps where filters have been removed, we can put it right.
Kitchens around a place like Chorleywood are often in older buildings or single-storey extensions, where the duct may cross a roof void or climb an outside wall. Long horizontal runs like that hold grease and need access panels to reach.
The report is your system’s health record: dated, with photos, and showing what was done. For TR19® Grease cleans, the certificate comes through the BESCA Vent Hygiene Elite portal and sits alongside the report.
- Location
- Chorleywood (WD3)
- Region
- Hertfordshire
- Paperwork
- Report and photos after the visit
- Quotes
- Fixed quote, usually within a working day
- Hours
- Evenings, overnight and weekends; 24/7 emergencies
- Phone
- 0345 646 2711
- Page updated
- 30 October 2026
What affects the quote in Chorleywood
Sites vary more than people expect. What affects the quote:
- What state the system is in
- How many systems or sites are involved
- Any permits to work or inductions
- How easy every part is to reach
A single site or a whole portfolio, the quote is built the same way: the work involved, the access and the timing. You will have a fixed price before we start.
Helping us quote
To help us quote quickly, please include:
- Close-ups of filters, grilles, hatches or access panels
- Any previous report or certificate
- Photos showing the whole system and its surroundings
- Any symptoms, from odd noises to smells or leaks
There’s no standard price list, because no two systems are the same. We look at your system first, from photos or on a visit, and then send you a fixed quote. To get going, ring 0345 646 2711 or use the quote form.
When it’s something else
To be straight with you, some problems need a different fix:
- A noisy or failed extract fan
- A canopy that doesn’t capture the vapour properly
- A canopy that needs a proper clean
If you’re not sure, just ring 0345 646 2711 or use the quote form and we’ll give you a straight answer.
Parts of the system we cover
- Baffle filters
- Island canopies
- Wall canopies
- School and hospital kitchens
- Restaurants and pubs
- Mesh filters
In-house cleaning or a specialist?
Your own staff can handle the daily basics: wiping canopies, washing grease filters and recording it in a log. Inside the ducts, risers and fan is specialist work, which is where we come in.
Keep a record of what your team does. A simple log of filter washes, wipe-downs and checks shows an inspector that the system is looked after between visits, alongside our reports.
Grease, kitchens and Chorleywood
According to Food Standards Agency records, there are about 12 pubs, bars and clubs within about 1.5 miles of central Chorleywood. Where they serve hot food, their kitchen extracts need cleaning to TR19® like any restaurant’s. Environmental health officers from Three Rivers council inspect food businesses in Chorleywood. Extraction counts as kitchen equipment, so its condition can come up on the day. A dated certificate in the maintenance file answers the question before it’s asked. Chorleywood is covered by Hertfordshire Fire and Rescue Service. In most workplaces, including commercial kitchens, it’s the fire and rescue authority that enforces the Fire Safety Order.
For schools such as Christ Church Chorleywood CofE School, kitchen extract cleaning is normally booked for the holidays, when the canteen is closed. Healthcare kitchens, like those at hospitals such as Harefield Hospital (about 3.2 miles south), often cook for long hours, which puts them in BESA’s heavier-use bands.
Chorleywood is about 5 miles west of Watford, in Hertfordshire. Wherever you are in the WD3 postcode area, we cover grease filter exchange for commercial sites. Our Hertfordshire coverage runs to 381 places, and Chorleywood is one of them. We also work in London, about 20 miles from Chorleywood.
Postcode districts we cover here for grease filter exchange: WD3. If you need grease filter exchange at premises on South Cottage Drive, South Cottage Gardens and South Park Avenue or anywhere close by, our technicians can take on the work. Being close to the A404, Chorleywood is simple for us to get to at any hour. Close by, we work in Heronsgate (1 mile south-west), Maple Cross (2 miles south), Chenies (2 miles north-west), Horn Hill (2 miles south-west) and West Hyde (3 miles south). Further out, we also cover Watford (5 miles east), Hemel Hempstead (7 miles north), St Albans (10 miles north-east), Harpenden (13 miles north-east), Hatfield (14 miles north-east) and Borehamwood (10 miles east).
Landmarks near Chorleywood
Locally, jobs take us to businesses close to St Clement Danes School, Rickmansworth Park and Black Horse Artichoke Dell pub and the streets around them. The closest station to Chorleywood is Chorleywood station, about 0.7 miles west of the centre. A little further out are Harefield Hospital (3.2 miles south) and Chiltern Open Air Museum (2 miles south-west). For a walk, there’s Chorleywood Common and Tumbling Bay.
Places near Chorleywood
Other services in Chorleywood
What the work involves, part by part
Baffle filters
Baffle filters are robust and widely used in commercial canopies. They don’t clean themselves, because the grease they collect builds up.
Canopy filter housings
The filter housing holds each filter at an angle in the canopy. If it’s bent or greasy, filters won’t seat properly.
Signs you need grease filter exchange in Chorleywood
Long cooking hours in Chorleywood or anywhere else mean more grease on the filters. Heavy daily use means fast build-up so changes need to come round sooner.
If you notice any of these, it’s worth a diagnosis:
- Poor airflow through the filters
- Blocked baffle filters
- A greasy plenum behind the filters
- Grease dripping from the canopy
Commuter trade near Chorleywood station can mean long cooking hours, and long hours put a kitchen into BESA’s more frequent cleaning bands.
What to look for in a quote
- Proof of insurance
- How areas they can’t reach will be recorded
- What records you will receive afterwards
- Whether the quote shows VAT
Common questions in Chorleywood
Who would carry out a food hygiene inspection at a kitchen in Chorleywood?
The local authority for Chorleywood is Three Rivers council, and its environmental health team does the inspecting. Have your latest TR19® certificate and photo report to hand, as an officer may ask how the extract is maintained.
Do you do school kitchen extract cleaning in Chorleywood in the summer holidays?
Yes, holiday work suits schools best. Around Chorleywood, the Food Standards Agency lists about 15 schools and colleges with registered kitchens within a mile and a half or so. Tell us your holiday dates and we’ll book the visit for when the site is empty.
Can you come out in an emergency?
Yes, 24/7. Our office is open from 8am to 6pm on weekdays, and the emergency line covers the rest.
Are you insured?
Yes. Duct Doctor is fully insured, and the details are available on request.
Can you clean our existing filters instead?
Yes, filter cleaning is available. We’ll check your filters first, as damaged ones may be better replaced.
What’s the right interval for changing filters?
That depends on the cooking. Kitchens that fry and grill all day need changes more often than lighter ones. We set a schedule that suits your kitchen.
Is Chorleywood in your area?
Yes. We work across Greater London, Surrey, Kent, Sussex, Hampshire, the Isle of Wight, Berkshire, Buckinghamshire, Oxfordshire, Hertfordshire and Essex, and that includes Chorleywood.
Do I get a report after the visit?
Yes. It’s your proof that the work was done: a dated report with photos, listing the work and any areas we couldn’t reach.
What happens on the day
The visit has three parts: set-up, the treatment itself and the sign-off. Getting ready means protecting surfaces and switching off what needs to be off, while signing off means the written report and pictures. The middle part takes longest, which takes anything from a few minutes to an hour or so, depending on the number of filters. Your opening hours decide when we come to Chorleywood, not ours.
- First, we record the size, type and number of filters in each canopy.
- We agree a schedule that suits how much the kitchen cooks.
- At each visit, the greasy filters are lifted out.
- We fit clean filters and check they sit snugly in the housing.
- Anything we notice, such as bent filters or a dirty plenum, is pointed out.
Preparing for the visit
- Move anything stored near the system
- Let us know when the site is closed or quiet
- Let us know about parking and loading
Get a fixed quote
For a fixed quote, call 0345 646 2711 or use the quote form with the site type, your trading hours and a short description of the system. Photos and the last report, if you have one, make the quote quicker. We usually come back within one working day.